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Book's Title: Human Anatomy & Physiology, 7/e

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Book's Author: Marieb

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Label the following epithelial tissue types. Figure 4.2

Label

Your Answer

1.1

Simple squamous epithelium

A.

1.2

Simple columnar epithelium

C.

1.3

Simple cuboidal epithelium

B.

1.4

Stratified squamous epithleium

E.

1.5

Pseudostratified Pseudostratified columnar epithelium

D.

2.

Label the following connective tissue types. Figure 4.9

1 00 %

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Location on Site: 4: Tissue: The Living Fabric > Art Labeling Quiz

1.

Summary of Results



Label

Your Answer

2.1

Areloar

A.

2.2

Bone (compact)

E.

2.3

Blood

F.

2.4

Cartilage (hyaline)

D.

2.5

Adipose

B.

2.6

Dense white fibrous

C.

3.

Label the following membrane classes. Figure 4.12



Label

Your Answer

2.1

Areloar

A.

2.2

Bone (compact)

E.

2.3

Blood

F.

2.4

Cartilage (hyaline)

D.

2.5

Adipose

B.

2.6

Dense white fibrous

C.

3.

Label the following membrane classes. Figure 4.12



Label

Your Answer

3.1

Mucous membrane

B.

3.2

Cutaneous membrane

A.

3.3

Serous membrane

C.

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21 questions co ntain multiple pairs, scored for a tota l of 83 questions. More information about scoring

Match each of the following major tissue types with its function.

Option

Your Answer

1.1

Connective

A. Support

1.2

Epithelium

C. Covering/lining

1.3

Muscle

D. Movement

1.4

Nervous

B. Regulation/control

2.

100% Correct of 21 questions: 83 correct: 0 incorrect: 0%

Location on Site: 4: Tissue: The Living Fabric > Matching Quiz

1.

Summary of Results

Match each of the following major tissue types with its description.

Option

Your Answer

2.1

Epithelium

B. Avascular; associated with a basement membrane; apical and basal surfaces; great powers of regeneration, sparse extracellular matrix, innervated.

2.2

Connective

A. Large amount of extracellular matrix; originates from mesenchyme; possesses fibers.

2.3

Muscular

D. Highly vascular; elongated cells; possess actin and myosin filaments; may possess striations.

2.4

Nervous

C. Primary cell type branches and possesses multiple cell processes extending from the nucleus-containing cell body; possesses two types of cells: neurons and supportive cells called glia.

3.

Match each of the following types of epithelium with its description.

Option

Your Answer

3.1

Simple squamous

A. Single layer of flattened scale-like cells.

3.2

Pseudostratified columnar

B. Single layer of cells that vary in height, with only the tall cells reaching the apical surface, nuclei at different levels, may contain goblet cells and cilia.

3.3

Transitional

C. Multiple layers of cells with apical cells possessing the ability to change shape.

3.4

Stratified squamous

E. Multiple cell layers whose apical cells are flattened.

3.5

Simple columnar

D. Single layer of cells that are taller than they are wide.


4.


Match each of the following epithelial tissues with a body location where it can be found.

Option

Your Answer

4.1

Keratinized stratified squamous

D. Skin

4.2

Transitional

C. Lines the urinary bladder.

4.3

Simple squamous

E. Walls of the air sacs of the lungs and lining blood vessels.

4.4

Pseudostratified ciliated columnar

A. Upper respiratory tract

4.5

Simple cuboidal

B. Walls of smallest ducts of glands and kidney tubules.

5.

Match the following specialized characteristics of epithelium with the appropriate description or example.

Option

Your Answer

5.1

Regeneration

D. Rapidly replace lost cells by cell division

5.2

Specialized contacts

C. Desmosomes, tight junctions

5.3

Polarity

B. Tissue with a free apical surface.

5.4

Supported by connective tissue

A. Two laminae forming a basement membrane.

5.5

Avascular but innervated

E. No blood vessels; abundant nerve endings.

6.

Match each of the following exocrine glands with its structure.

Option

Your Answer

6.1

Mammary glands

E. Compound alveolar

6.2

Salivary glands

A. Compound tubuloalveolar

6.3

Intestinal glands

C. Simple tubular

6.4

Sebaceous glands

D. Simple branched alveolar

6.5

Eccrine sweat glands

B. Simple coiled tubular

7.

Match each of the following types of connective tissue fibers with its description.

Option

Your Answer

7.1

Collagen fibers

C. The strongest and most abundant fibers, they allow connective tissues to resist tension.

7.2

Reticular fibers

B. These short branching fibers cluster into delicate networks and have the ability to glide freely across one another whenever the network is pulled, allowing give.

7.3

Elastic fibers

A. These long, thin, branching fibers form wide networks within the extracellular matrix and possess the ability to stretch and then return to their original length.


8.


Match each of the following cell components of connective tissue with its function.

Option

Your Answer

8.1

Mast cells

C. Secrete histamine

8.2

Plasma cells

B. Produce antibodies

8.3

Fibroblasts

D. Produce collagen, elastic and reticular fibers

8.4

Macrophages

E. Are phagocytic cells that engulf foreign matter

8.5

Adipocytes

A. Store fat molecules

9.

Match each of the following types of connective tissue with an appropriate location.

Option

Your Answer

9.1

Adipose

C. Hypodermis; in mesenteries; surrounding kidneys; posterior to eyeballs

9.2

Elastic cartilage

D. Supports external ear, epiglottis

9.3

Dense regular connective tissue

A. Ligaments, tendons, aponeuroses

9.4

Fibrocartilage

E. Intervertebral discs, pubis symphysis, menisci of knee joint

9.5

Reticular connective tissue

B. Bone marrow, spleen, lymph nodes

10.

Match each of the following connective tissue components with its description.

Option

Your Answer

10.1

Osteoblast

B. Bone producing cell

10.2

Plasma

C. Liquid portion of blood

10.3

Chondrocyte

A. Cartilage producing cell

10.4

Extracellular matrix

D. Non-living material located between the cells of a connective tissue

10.5

Reticular cell

E. Type of fibroblast

11.

Match each of the following types of membranes with its location.

Option

Your Answer

11.1

Cutaneous membrane

C. Covers the outer surface of the body

11.2

Mucous membrane (mucosa)

B. Lines the inside of hollow organs that open to the body's exterior

11.3

Serous membrane (serosae)

A. Lines the ventral body cavity walls and covers the ventral body cavity viscera


12.


Match each of the following body locations with its associated muscle tissue type.

Option

Your Answer

12.1

Walls of hollow organs

B. Smooth muscle tissue

12.2

Walls of the heart

C. Cardiac muscle tissue

12.3

Attached to bones

A. Skeletal muscle tissue

13.

Match each of the following types of muscle tissue with its description.

Option

Your Answer

13.1

Skeletal muscle tissue

C. Striated; multinucleated cells; long, large, cylinder-shaped cells

13.2

Smooth muscle tissue

A. No striations; spindle-shaped cells; uninucleated cells

13.3

Cardiac muscle tissue

B. Striated; branching cells; intercalated discs; generally uninucleated cells

14.

Match each of the following types of connective tissue with a body location.

Option

Your Answer

14.1

Hyaline cartilage

A. Forms embryonic skeleton and covers the ends of long bones

14.2

Bone

B. Skeletal system

14.3

Dense regular connective tissue

E. Primary tissue of ligaments and tendons

14.4

Blood

C. Located within the cardiovascular system

14.5

Dense irregular connective tissue

D. Primary tissue of the dermis

15.

Match the following types of connective tissue with the appropriate function/description.

Option

Your Answer

15.1

Connective tissue proper

C. Loose connective tissue (areolar, adipose, and reticular); dense connective tissue (dense regular, dense irregular and elastic)

15.2

Cartilage

B. Stands up to both tension and compression; tough and flexible, providing resilient rigidity

15.3

Bone tissue

A. Supports and protects body structures; stores fat; synthesizes blood cells

15.4

Blood

D. Most atypical connective tissue; extracellular fibers are soluble protein molecules found in liquid plasma, abundant extracellular matrix


16.


Match each of the following types of membrane with its function.

Option

Your Answer

16.1

Cutaneous

C. Provides protection for outer surface of body

16.2

Mucous

A. Provides secretions that lubricate and protect areas that open to the outside of the body

16.3

Serous

B. Provides secretions for lubrication of organs enclosed within the body cavities

17.

Match each type of muscle tissue with its function.

Option

Your Answer

17.1

Skeletal muscle

B. Allows voluntary movement to occur by changing position of bones

17.2

Smooth muscle

C. Allows hollow organs to contract and propel materials through them (digestive organs, reproductive organs, etc.)

17.3

Cardiac muscle

A. Pumps a liquid connective tissue through vessels

18.

Match each following type of blast cell with its function.

Option

Your Answer

18.1

Fibroblast

A. Produces materials in connective tissue proper

18.2

Chondroblast

D. Produces extracellular matrix of cartilage

18.3

Osteoblast

B. Produces extracellular matrix of bone

18.4

Hematopoietic stem cell

C. Produces blood cells

19.

Match the following types of tissue with its embryonic origin.

Option

Your Answer

19.1

Epithelial tissue

B. Ectoderm, endoderm, and mesoderm

19.2

Connective tissue and muscle tissue

C. Mesoderm

19.3

Nervous tissue

A. Ectoderm

20.

Match the following types of cell with its function.

Option

20.1

Neuron

Your Answer A. Conducts signals


20.2

21.


Supporting neuroglial cells

B. Non-conducting cells

Match the following tissue types with their ability to regenerate.

Option

Your Answer

21.1

Epithelial tissues, bone, loose connective tissue, and blood

D. Very good at regenerating.

21.2

Smooth muscle and dense connective tissue

A. Moderate regenerating capacity

21.3

Skeletal muscle and cartilage

B. Poor regenerating capacity.

21.4

Nervous tissue and cardiac muscle

C. No useful regeneration.

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Your Results for "Multiple-Choice Quiz (Level I)" Site Title: Companion Website for Marieb's Human Anatomy and Physiology, 7e Book's Title: Human Anatomy & Physiology, 7/e Book's Author: Marieb Location on Site: 4: Tissue: The Living Fabric > Multiple-Choice Quiz (Level I)

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1.

During the process of tissue repair, which of the following processes produces scar tissue?

Your Answer: Fibrosis During the process of tissue repair, fibrosis involves the proliferation of a fibrous connective tissue called scar tissue.

2.

Embryonic ectoderm develops into which of the following major tissue types?

Your Answer: Epithelial tissue and nervous tissue Nervous tissue develops solely from embryonic ectoderm, while epithelial tissues develop from ectoderm, endoderm, and mesoderm embryonic tissue.

3.

What type of tissue forms tendons?

Your Answer: Dense regular Dense regular connective tissue forms tendons.

4.

Goblet cells are associated with which of the following epithelial tissues?

Your Answer: Simple columnar Goblet cells are found within simple columnar epithelial tissue, scattered between the columnarshaped cells.

5.

In which of the following tissue types would fibrosis most likely completely replace lost tissue with scar tissue?

Your Answer: Cardiac muscle tissue



In essentially non-regenerating tissues, fibrosis completely replaces the lost tissue with scar tissue.

6.

The basement membrane is located between which of the following tissue types?

Your Answer: Epithelial and muscle Correct Answer: Epithelial and connective Epithelial tissue secretes the superficial basal lamina region of the basement membrane, whereas connective tissue produces the deeper reticular layer of the basement membrane.

7.

This type of connective tissue functions as a reserve energy supply for the body.

Your Answer: Adipose Adipose tissue possesses large cells filled with fat droplets that serve as a reserve energy source for the body.

8.

This type of epithelial tissue lines the interior of blood vessels.

Your Answer: Endothelium A simple squamous epithelial tissue lines the interior of blood vessels.

9.

This unicellular gland is associated with mucus production.

Your Answer: Goblet cell Goblet cells, located between columnar epithelial cells, function in producing the protein mucin which, when combined with water, forms mucus.

10.

Which of the following apical epithelial cell structures functions in the movement of materials across the surface of the cell?

Your Answer: Cilia The cilia on an epithelium bend and move in coordinated waves pushing mucus and other substances over the epithelial surface.

11.

Which of the following best describes a squamous-shaped cell?

Your Answer: A flattened "scalelike" cell



Squamous cells are flattened and scale-like.

12.

Which of the following cell organelles is associated with the process of secretion in gland cells?

Your Answer: Golgi apparatus In gland cells, the Golgi apparatus packages proteins into secretory granules that are released from the cell by exocytosis.

13.

Which of the following epithelial tissue types is best adapted for the rapid transport of materials across its membranes?

Your Answer: Simple squamous Simple squamous epithelial tissue, composed of a single layer of flattened cells, occurs wherever small molecules must pass through a membrane quickly.

14.

Which of the following is NOT a function of a reolar connective tissue?

Your Answer: Movement of body parts While areolar connective tissue holds body fluids, stores nutrients, supports and binds other tissues, and defends the body against infection, movement of body parts is a task performed by the three different types of muscle tissue: skeletal, cardiac, and smooth.

15.

Which of the following is NOT a function of epithelial tissues?

Your Answer: Control Epithelial tissue functions in protection, secretion, ion transport, and filtration, but control is the primary responsibility of nervous tissue.

16.

Which of the following is NOT a symptom of inflammation?

Your Answer: Itching Whereas heat, redness, swelling, and pain are symptoms of inflammation, itching is not.

17.

Which of the following is NOT an example of connective tissue?

Your Answer: (blank)


18.


Which of the following tissues lines the majority of the digestive tract?

Your Answer: Transitional Correct Answer: Simple columnar Simple columnar epithelial tissue lines most of the digestive tract, from the stomach to the anus.

19.

Which of the following types of epithelial tissue provides the greatest amount of protection?

Your Answer: Stratified columnar Correct Answer: Stratified squamous Stratified squamous is the thickest form of epithelial tissue, which is composed of multiple layers of flat cells.

20.

Which of the following indicates the proper sequence of tissue repair?

Your Answer: Tissue damage, blood clotting, scab formation, organization, fibrosis and regeneration Following tissue damage, a blood clot forms which dries and forms a scab which will be replaced, via the process of organization, with granulation tissue, which, in turn, gives rise to regenerated tissue and fibrous scar tissue through the processes of regeneration and fibrosis.

21.

Which of the following are structural characteristics of epithelial tissue?

Your Answer: Closely packed cells without much extracellular material Epithelial tissue has numerous, closely packed cells with very little extracellular material.

22.

Which of the following are functional characteristics of epithelial tissue?

Your Answer: Secretion, protection, absorption, filtration All of these are functional characteristics of epithelial tissue.

23.

Mucous that protects your stomach lining is secreted by a specialized type of

Your Answer: simple columnar epithelial cell.



These specialized simple columnar epithelial cells are goblet cells.

24.

A type of epithelium with limited distribution in the body is

Your Answer: stratified cuboidal epithelium. This type of epithelium is quite rare in the body.

25.

A type of connective tissue that provides primary support and protection for body structures is

Your Answer: osseous tissue. Because of its rock-like hardness, bone has an exceptional ability to support and protect body structures.

26.

Which of the following tissue types controls most other tissues?

Your Answer: Nervous tissue Nervous tissue sends electrical signals to control the body.

27.

Which of the following is found on the surface of the skin?

Your Answer: Stratified squamous epithelium The epidermis is stratified squamous epithelium.

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Your Results for "Matching Quiz" Site Title: Marieb/Hoehn, Human Anatomy & Physiology, 9e - Open Access Book's Title: Human Anatomy and Physiology Book's Author: Marieb/Hoehn

Summary of Results 93% Correct of 20 questions: 83 correct: 6 incorrect:

Location on Chapter 5: The Integumentary System Site: > Chapter Quizzes > Matching Quiz

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Date/Time October 29, 2014 at 3:00 AM Submitted: (UTC/GMT)

1.

Match each of the following epidermal cell types with its function.

Option

Your Answer

1.1

keratinocytes

C. produce a tough fibrous protein that gives the epidermis most of its protective qualities

1.2

melanocytes

A. responsible for skin pigmentation

1.3

Merkel cells

B. sensory receptor for touch

1.4

Langerhans cells

D. present antigens to the immune system

2.

Match each of the following skin strata with its description.

Option

Your Answer

2.1

stratum basale

C. single row of cells composed of keratinocyte stem cells, melanocytes, and Merkel cells

2.2

stratum spinosum

B. several cell layers thick, with intermediate filaments, keratinocytes and Langerhans cells

2.3

stratum granulosum

D. three to five layers of flattened keratinocytes possessing filaments and keratohyaline and lamellated granules

2.4

stratum lucidum

A. a thin, translucent band consisting of a few rows of flat, dead, keratinocytes

2.5

stratum corneum

E. many cell layers of dead keratinocytes filled with keratin (outermost layer of skin)

3.

Match each of the following integumentary system layers with its primary tissue type.



Option

Your Answer

3.1

epidermis

B. keratinized stratified squamous epithelium

3.2

hypodermis

C. adipose connective tissue

3.3

papillary layer of dermis

A. areolar connective tissue

3.4

reticular layer of dermis

D. dense irregular connective tissue

4.

Match each of the following skin functions with the mechanism that accomplishes it.

Option

Your Answer

4.1

protection

E. provides a chemical barrier and a mechanical barrier to ward off bacterial invasion and to provide "waterproofing"

4.2

body temperature regulation

C. dilation of blood vessels and secretion of sweat that evaporates from body surface

4.3

cutaneous sensation

A. activation of numerous receptors that are part of the nervous system

4.4

metabolic functions

D. synthesis of vitamin D; destruction of cancer-causing chemicals; activation of some steroid hormones

4.5

blood reservoir

B. potential to hold about 5% of the body's blood volume in numerous blood vessels

5.

Match each of the following with its associated skin color.

Option

Your Answer

5.1

hemoglobin

A. red

5.2

carotene

C. yellow to orange

5.3

cyanosis

B. blue

5.4

melanin

D. ranges from yellow to reddish to brown to brownish black

6.

Match each of the following hair structures with its description.

Option

6.1

root

Your Answer B. The portion of the hair that is embedded in the skin.

Correct Answer B. The portion of the hair that is embedded in the skin.



6.2

cuticle

E. Region of a hair that projects above the skin surface.

A. Superficial covering of a hair consisting of a single layer of cells that overlap one another.

6.3

shaft

A. Superficial covering of a hair consisting of a single layer of cells that overlap one another.

E. Region of a hair that projects above the skin surface.

6.4

medulla

D. The intermediate layer of a C. The central core of a hair, hair composed of several layers of consisting of large cells and air flattened cells. spaces.

6.5

cortex

C. The central core of a hair, consisting of large cells and air spaces.

7.

D. The intermediate layer of a hair composed of several layers of flattened cells.

Match each of the following hair-follicle-associated structures with its description.

Option

Your Answer

Correct Answer

7.1

hair matrix

B. actively dividing cellular area of the bulb that produces the hair

B. actively dividing cellular area of the bulb that produces the hair

7.2

connective tissue root sheath

C. the expanded, deep region of a hair follicle

A. superficial wall of the hair follicle which is derived from the dermis

7.3

hair bulb

A. superficial wall of the hair follicle which is derived from the dermis

C. the expanded, deep region of a hair follicle

7.4

root hair plexus

D. a knot of sensory nerve endings wrapped around the base of a hair follicle

D. a knot of sensory nerve endings wrapped around the base of a hair follicle

7.5

arrector pili

E. bundle of smooth muscle tissue running from the superficial dermis to the hair follicle; responsible for producing goose bumps

E. bundle of smooth muscle tissue running from the superficial dermis to the hair follicle; responsible for producing goose bumps

8.

Match each of the following glands with its location.

Option

Your Answer

8.1

sebaceous glands

E. found all over the body except the palms and soles

8.2

eccrine sudoriferous glands

B. most abundant on the palms, soles, and forehead



8.3

apocrine sudoriferous sweat glands

A. axillary, anal, and genital regions

8.4

ceruminous glands

C. line the external ear canal

8.5

mammary glands

D. pectoral region

9.

Match each of the following integumentary system glands with its product.

Option

Your Answer

9.1

sebaceous gland

E. oil

9.2

eccrine sudoriferous gland

C. sweat

9.3

apocrine sudoriferous gland

B. components of sweat plus fatty substances and proteins

9.4

ceruminous gland

A. components of earwax

9.5

mammary gland

D. milk

10.

Match each of the following nail structures with its description.

Option

Your Answer

10.1

body

E. visible, attached part of the nail

10.2

nail bed

C. epidermis on which the nail rests

10.3

root

B. proximal region of the nail, embedded in the skin

10.4

free edge

A. distal edge of the nail

10.5

nail matrix

F. actively growing part of the nail

10.6

lunula

D. white, crescent-shaped area under the nail's proximal region

11.

Match each of the following types of burns with its description.

Option

Your Answer

11.1

first-degree burn

A. damage to only the epidermis that results in redness, swelling, and pain

11.2

seconddegree burn

C. injury to the epidermis and the superficial region of the dermis resulting in redness, swelling, pain, and blisters


11.3

12.


B. entire thickness of the skin is consumed, resulting in the burned area appearing white, red, or blackened

third-degree burn

Match each of the following forms of skin cancer with its description.

Option

Your Answer

12.1

basal cell carcinoma

B. Least malignant form of skin cancer in which the stratum basale cells proliferate and invade the dermis and hypodermis, causing tissue destruction

12.2

squamous cell carcinoma

A. Arises from the keratinocytes of the stratum spinosum with lesions appearing as scaly, irregular, reddened small, rounded elevations that tend to grow rapidly and metastasize if not removed

12.3

melanoma

C. The "most dangerous form" of skin cancer because it is highly metastatic; can originate wherever there is pigment, but often arises from existing moles, metastasizing rapidly into surrounding circulatory vessels

13.

Match the following components of the ABCDE rule for recognizing melanoma.

Option

Your Answer

13.1

asymmetry

A. the two halves of a spot or a mole do NOT match

13.2

border irregularity

C. pigmented spot possesses notches and indentations

13.3

color

E. inconsistent pigmentation

13.4

diameter

D. larger than 6 mm

13.5

elevation

B. rises above the skin surface

14.

Match each of the following conditions with its description.

Option

Your Answer

14.1

alopecia areata

C. A rare condition where hair follicles are attacked by the immune system, causing the hair to fall out in patches.

14.2

impetigo

A. Fluid-filled, raised lesions, common around the mouth and nose, that develop a yellow crust and eventually rupture; contagious.

14.3

eczema

B. Skin rashes resulting from allergic reactions.


14.4

15.


D. Autoimmune condition, resulting in an over proliferation of the epidermis, characterized by reddened epidermal papules covered with dry, silvery scales.

psoriasis

Match each of the terms with their associated skin condition.

Option

Your Answer

15.1

too much carotene

A. causes yellowing of skin, especially in palms and soles from accumulation in stratum corneum when consumed in large amounts

15.2

tanning

C. increased production of melanin due to increased exposure to the sun

15.3

jaundice

16.

B. yellowish to pale-green coloring of skin caused by an accumulation of bile pigments in blood

Match each of the following changes in skin color with its associated clinical signs of disease.

Option

Your Answer

16.1

cyanosis

E. possible heart failure; possible respiratory disorders

16.2

redness or erythema

F. fever, hypertension, polycythemia, inflammation, allergy

16.3

pallor or blanching

A. fear, anger, stress, anemia, low blood pressure

16.4

jaundice

16.5

bronzing

C. Addison's disease; hypofunction of adrenal cortex

16.6

black and blue marks or bruises

D. blood clots beneath the skin

17.

Match the following glands with their functions.

Option

17.1

B. liver disorder

eccrine sweat glands

Your Answer B. secrete a hypotonic filtrate of the blood (99% water with traces of salt, vitamin C, antibodies, metabolic wastes and lactic acid)



17.2

apocrine sweat glands

D. contains same secretions as true sweat, plus fatty substances and proteins. When these organic molecules decompose by bacterial action there is an associated unpleasant odor

17.3

ceruminous glands

E. modified apocrine glands that produce earwax

17.4

mammary glands

C. modified sweat glands that secrete milk

17.5

sebaceous glands

A. holocrine glands that secrete an oily substance called sebum to lubricate skin and hair

18.

Match each of the following hair colors with the basis for its color.

Option

Your Answer

18.1

black hair

B. maximum production of melanin

18.2

blonde hair

D. no production of melanin; no iron-containing pigment

18.3

red hair

C. absence of melanin; presence of iron-containing pigment

18.4

white hair

A. replacement of melanin with air bubbles in the hair shaft as melanin production decreases

19.

Match the following ages with the appropriate skin characteristics for that age.

Option

Your Answer

19.1

newborn baby

B. presence of vernix caseosa produced by sebaceous glands

19.2

infancy and childhood

D. skin thickens and more subcutaneous fat is deposited

19.3

adolescence

A. skin and hair become oilier as sebaceous glands are activated; dermatitis becomes more common

19.4

old age

C. epidermal cell replacement declines; skin thins; sebaceous gland activity diminishes

20.

Match the following hair features with their description.

Option

Your Answer



20.1

vellus hair

C. body hair of children and adult females

20.2

terminal hairs

A. coarser, long, darker hairs

20.3

alopecia

B. loss of hair

20.4

male pattern baldness

D. baldness produced by delayed-action genes

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Your Results for "Multiple-Choice Quiz" Site Title: Marieb/Hoehn, Human Anatomy & Physiology, 9e - Open Access

Summary of Results 100% Correct of 30 questions:

Book's Title: Human Anatomy and Physiology

30 correct:

Book's Author: Marieb/Hoehn Location on Chapter 5: The Integumentary System Site: > Chapter Quizzes > Multiple-Choice Quiz

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Date/Time October 29, 2014 at 2:04 AM Submitted: (UTC/GMT)

1.

An injection is administered through the skin using a hypodermic needle. Identify the first integumentary structure through which the needle will pass.

Your Answer: epidermis A hypodermic needle would first pass through the superficial layer of the skin, the epidermis, then the two layers of the dermis, the papillary layer and the reticular layer, before penetrating the hypodermis.

2.

Sebaceous glands are located in all of the following areas, EXCEPT the __________.

Your Answer: palms and soles Sebaceous glands occur over the entire body, with the exception of the palms and soles of the feet.

3.

Sebaceous glands belong to which of the following classes?

Your Answer: simple branched alveolar Sebaceous glands are simple branched alveolar glands with several alveoli opening into a single duct.

4.

Terminal hair is located in all of the following areas, EXCEPT the __________.

Your Answer: body hair of females



The body hair of women and children is the fine, short, vellus variety, while the adult male's body hair is the terminal variety.

5.

The dermis is primarily composed of which tissue type?

Your Answer: dense irregular connective tissue The deeper reticular layer, which accounts for about 80% of the thickness of the dermis, is composed of dense irregular connective tissue.

6.

The epidermis is composed of which of the following tissues?

Your Answer: keratinized stratified squamous epithelial tissue The superficial layer of the skin, the epidermis, is composed of thick keratinized stratified squamous epithelium.

7.

What is the primary function of melanin?

Your Answer: to provide protection against the sun's UV rays Melanin forms a protective layer that screens out a portion of the sun's cancercausing UV rays.

8.

Which is the correct sequence of epidermal layers of thick skin, from deep to superficial?

Your Answer: stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum In thick skin, the cell layers, ordered from deep to superficial, are: stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.

9.

Which of the following do NOT derive from epidermal tissue?

Your Answer: dermal papillae



Dermal papillae are fingerlike projections found on the superficial surface of the dermis.

10.

Which of the following cells would one NOT expect to find in the dermis?

Your Answer: keratinocytes The dermis possesses all the cells that one would expect to find in connective tissue: mast cells, fibroblasts, macrophages, and scattered white blood cells.

11.

Which of the following epidermis components possesses a waterproofing glycolipid that functions in preventing water loss?

Your Answer: lamellated granules The lamellated granules contain a waterproofing glycolipid that is secreted into the intercellular space and is the major factor for slowing water loss across the epidermis.

12.

Which of the following human integumentary system glands is believed to be analogous to the sexual scent glands of an animal?

Your Answer: apocrine sudoriferous gland Apocrine glands start to function at puberty under the influence of androgens, their activity is increased by sexual foreplay, and they enlarge and recede with the phases of a women's menstrual cycle.

13.

Which of the following is most important in determining skin coloration?

Your Answer: melanin Melanin, the most important contributor to skin coloration, is present in several varieties, ranging from yellow to reddish to brown to black.

14.

Which of the following is NOT strictly a component of the integumentary system?



Your Answer: hypodermis The hypodermis, deep to the skin, shares some of the skin's functions, but it is not a part of the integumentary system.

15.

Which of the following is NOT a function of the skin?

Your Answer: respiratory gas exchange Although the skin functions in protection, excretion, preventing unnecessary water loss, and the regulation of body temperature, respiratory gas exchange is a function of the respiratory system.

16.

Which of the following is NOT considered a critical burn?

Your Answer: first-degree burns on 30% of the body First-degree burns are not considered critical because they typically heal in a few days without any special attention.

17.

Which of the following is the most immediate threat to life from a serious burn?

Your Answer: loss of body fluids The immediate threat to life from serious burns is a catastrophic loss of body fluids, which, in turn, can lead to fatal circulatory shock.

18.

Which of the following strata is not visible as a distinct layer in thin skin?

Your Answer: stratum lucidum The stratum lucidum appears in thick skin but it is not visible as a distinct layer in thin skin.

19.

Which of the following structures are primarily responsible for fingerprints?

Your Answer: epidermal ridges and sweat pores



Sweat pores open along the crests of the epidermal ridges, leaving distinct fingerprints on anything that is touched.

20.

Which of the following thick skin strata is the thickest?

Your Answer: stratum corneum The superficial stratum corneum is many cell layers thick, much thicker than any other epidermal layer.

21.

Skin eruption produced by dilated small blood vessels of the face, especially on the nose and cheeks, is descriptive of which skin disorder?

Your Answer: rosacea Skin eruption produced by dilated small blood vessels of the face may indicate rosacea, especially when it appears to worsen in conjunction with intake of alcohol, spicy foods, or after a hot bath or sun exposure.

22.

Which of the following layers of the skin relies on capillaries in the underlying connective tissue in the dermis for its nutrients?

Your Answer: epidermis The epidermis is avascular and has to obtain nutrients from the underlying connective tissue in the dermis.

23.

A possible cause of rosacea is __________.

Your Answer: the same bacterium that causes peptic ulcers Many people with rosacea are helped by antibiotic therapy.

24.

Which of the following cells is part of the immune system?

Your Answer: Langerhans cell



The Langerhans cell is a fixed macrophage.

25.

Which of the following cells function as sensory receptors for touch?

Your Answer: Merkel cells Merkel cells function as sensory receptors for touch.

26.

Keratinocytes in the stratum spinosum are known as __________.

Your Answer: prickle cells Keratinocytes in the stratum spinosum are known as prickle cells because of their spiny appearance under the microscope from an artifact produced by staining procedures.

27.

All of the following statements are true about our fingerprints, EXCEPT that __________.

Your Answer: they represent the sweat patterns left by dermal ridges This is an incorrect statement. Dermal ridges give rise to epidermal ridges, which are on the surface of the skin.

28.

Striae in the skin are caused by __________.

Your Answer: dermal tears Striae in the skin are due to dermal tears.

29.

Which of the following conditions would NOT be seen from overexposure to UV light?

Your Answer: activation of the immune system

ch 4 & 5 quiz q & a from site.pdf

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