Arab Board MCQ Part I 28 march 2010 1- All muscles are supplied by occulomotor nerve ecept A! In"e In"eri rior or obli obli#u #ue e B! $evator $evator palpebrae palpebrae superioris superioris C! $ateral rectus 2- %ecrease in lacrimation can be caused by A! &umors compressin' on the IAC (- Most common bilateral parotid mali'nancy A! Acinic cell carcinoma )- Most common nasopharyn'eal ca in endemic area is A! Poorly Poorly di*erentiated +CC B! ,eratin eratinii iin' n' +CC .!B In endemic areas such as southern China/ the proportion o" →
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type III histolo'y 3ill be 4506
&ype &ype I 7eratiniin' 7eratiniin' 3ell di*/ moder or or poor9 &ype &ype II un7eratiniin' un7eratiniin' &ype &ype III undi* :- Most common tumor o" the middle ear A! Para'an'lioma ;- All are autosomal recessive ecept A!
! C; 8- Aller'ic rhinitis is A! &ype I I'> mediated immune response response 5- &ip sup suppo port rt is is by A! "ootplate "ootplate medial medial crural crural ?unction ?unction B! sh shape ape o" o" lo3er lo3er cart cartila ila'e 'e 10in"ratemporal "ossa is connected to the orbit by A! in"erior orbital @ssure @ssure 11%i'astric space is bounded by A! Anterior and posterior belly o" o" di'astric and mandible 12 &rue &rue about di'astric muscle muscle ecept ecept A! Anterior Anterior belly is short shorter er than than the posterior posterior belly B! Poster Posterior ior belly belly is supplied supplied by by "acial nerve nerve C! Anterior belly belly is supplied supplied by hypo'lossal hypo'lossal nerve %! Anterior Anterior belly belly is attached attached to the 'roove 'roove o" mandible mandible 1(Pharyn'eal pleus drain to A! Maillary vein B! > 1)Maillary si sinus mu mucociliary dr draina'e is A! erti ertica call B! ori orio ont ntal al →
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C! %! 1:A! 1;A! B! 1=A! 18A! 15A! 20A! 21A! B! C! 22A! 2(A! B! C! %! >! 2)A! 2:A! B! C! %! >! 2;A! B! C! 2=A! B! 28A! 25A! B! C! %!
bli#ue .ot constant Petrous temporal bone is derived "rom cartila'e part o" the otocyst Incorrect about co' +tron' bone separate epitympanic space and supratubal recess Buccinator is attached to ptyri'omandibular raphe +uperior lip is supplied by the in"raorbital nerve Miculic cells is seen in rhinosporidiosis Muscles o" the "acial epression is supplied by acial nerve Anterior lacrimal crest is "ormed by maillary bone rontal $acrimal A''er nasi cell is the most anterior and superior to middle turbinate +phenoid sinus most common variant Presellar +ellar Postsellar +uprasellar In"rasellar ,asselbachDs pleus is mostly supplied by sphenopalatine artery .ot part o" the circle o" 3illis Anterior cerebral a! Posterior cerebral a! Anterior communicatin' a! Posterior communicatin' a! vertebral a! Pass throu'h the ptery'oid canal Post'an'lionic parasympathetic @bers Ereater super@cial petrosal nerve $esser super@cial petrosal nerve &rue about sensation to the sphenoid sinus ecept +olely supplied by ophthalmic nerve +hared by maillary and ophthalmic nerve &he 1st patho'enesis o" otitis eterna is $oss o" protective "unction o" the hypophilic 3a &aste buds are not "ound in Anterior pillar Posterior pillar
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>! (0to A! B! (1A! B! C! %! (2A! B! ((A! ()A! (:A! (;A! B! C! %! (=A! (8A! B! (5A! )0A! B! C! )1A! )2A! )(A! B! ))A! B! ):A! B!
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para'lottic space &he anti'en presentin' cells in tonsils M cells 9 "unction
transport anti'en to lymphocytes orm mantle one &ympanic annulus is derived "rom st 1 pharyn'eal arch >ctoderm linin' o" the >AC Mucosal linin' o" the middle ear ibrous mesenchymal area .ot part o" the auditory path3ay &rapeoid body medial lemniscus &rue statement arcuate eminence is indication o" the site o" superior semicircular canal P:( arrest the cycle in E1 in cells 3ith %.A dama'e %ru' that inhibit the 'yruse Furo#uinolones .eurotransmitter o" the inner ear +ubstance P >nchephalin Adrenaline Acetylcholine &rue about the nasal steroid Can cause epistais .asal cycle duration ; hours 2 - ) hours &rue ans3er CM is the most common viral in"ection o" pre'nancy rbital plate o" ethmoid does not articulate 3ith nasal bone +phenoid bone rontal bone Concha is separate bone ron' ans3er +pine o" henle is indicator o" antrum %ru's used "or mucosal herpetic lesion Acyclovir Pencyclovir %ru' cause hepatotoicity Aithromycin amphotericin B %ru' has antipseudomonal action &iceracillin Penicillin E →
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);A! B! )=A! B! )8A! B! )5A! B! C! %! >! :0A! B! C! :1A! :2A! :(A! :)A! ::A! :;A! B! :=A! :8A! :5A! ;0A! ;1A! ;2A! B! ;(-
%ru' not used in head and nec7 mali'nancy incristine $-aspara'inase Connein Increase epression in mali'nancy "unction to ?unction bet3een cells Pars superior 'ive rise to Cochlea semicircular canals and utricle +ensory to >AC ecept ypo'lossal nerve II G IG C2/C( +upply to superior posterior canal Cervical pleus Ereater auricular nerve a'us nerve &rue about the "acial nerve ecept only motor nerve .erve supply o" the 1st arch tri'eminal nerve &rue statement pyramidal eminence separate the "acial recess and sinus tympani &rue statement Cochlear a#ueduct connect the perilymph to the posterior cranial "ossa ron' statement round 3indo3 close the scala tympani .ot part o" the anterior epitympanic space prussa7 space +upratubal recess &rue statement Immuno'lobulin M is the 1st to proli"erate in the immune response B-lymphocytes di*erentiate to the plasma cells Primary immunode@ciency A*ect the innate immune system +tructure that pass throu'h "oramen ovale ecept Middle menin'eal artery Mechanism o" I'> immune response %e'ranulation o" mast cells Bone erosion in cholesteatoma is caused by Polymorphonuclear cells Athnil cells Cholesteatoma is →
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A! +7in in middle ear ;) &hyroid elevation durin' s3allo3in' is A! because it is invested in pretracheal "ascia ;:Hecurrent laryn'eal nerve is associated 3ith A! in"erior thyroid artery ;;2nd arch 'ive rise to A! Crura o" stapes ecept "ootplate B! ead o" malleous C! Mec7le cartila'e ;=%istance bet3een round and oval 3indo3 is never more than A! 2 mm B! ( mm C! ) mm %! : mm ;8Mastoid tip develop at the a'e o" A! 2 years ;5%iaphra'm o" the tympanic membrane include all ecept A! Anterior malleolar "old B! Posterior malleolar "old C! ssicles =0accination prevent A! Breast ca B! Colorectal ca C! Cervical ca %! Eastric ca >! $un' ca =1%eep innervations o" the sinus /nose and throat is by A! &ri'eminal nerve =2ron' statement A! Audiotry path3ay has one side pro?ection =(Anterior in"erior cerebellar artery is branch o" A! Basilar artery =)Correct statement A! ,inocilia is located to3ard the lon'est steriocilia =:%epolariation o" hair cells A! inFu o" 7 B! InFu o" cl C! InFu o" M' =;ruption o" the 2nd molar teeth at A! 2 years B! ; C! 8 %! 11 →
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=5A! 80A! 81A! B! C! %! 82A! B! C! 8(A! 8)A! B! C! %! 8:A! 8;A! B! C! %! >! 8=A! B! 88A! 85A! B! C! %! >! 50A! B! 51A! 52A! 5(A!
&rue about apoptosis ecept &here is an inFammatory tissue reaction An or'anism that cause toic shoc7 syndrome +taph! Aureus Actinomyces is a normal commensal o" the +7in >AC oral cavity $un' &rue statement $in'ual artery is crossed by the 'lossopharym'eal nerve Eives submucosal artery Medial to hypo'lossus Part o" the primary immune system &hymus 'land aldyre rin' produces mostly the I'E I'A I'M I'> &rue statement >ndolymph is similar to the intracellular Fuid Most common complication o" the Fuid in ma?or sur'ery >racelluar Fuid de@cit Metabolic acidosis Metabolic al7alosis ypo7alemia yponatremia tolith or'an is "ound in Ampulla
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5)%ecrease in the sur"actant are li7ely to cause A! decrease in the sur"ace Fiud tension in alveoli 5:Correct ans3er A! >ndolymph is secreted by the stria vascularis 5;ron' statement A! $o3est "re#uency that can be heard is (0 5=+tapedius and tensor tympani contract best at A! $o3 "re#uency B! Mid "re#uency C! i'h "re#uency %! All "re#uency >! 2 J ) 7h 58Incorrect statement A! tunnel o" corti is @lled 3ith perilymph 55 as anti-inFammatory e*ect A! Quinolones 100r'anisms mostly causin' otitis eterna A! pseudomonas 101Cochlea is developed "rom the A! Anterior otic capsule B! Posterior otic capsule 102hich is 3ron' A! Cervical trachea decrease in diameter durin' valsalva B! Intrathoracic trachea maintains diameter durin' valsalva 10(ound in tertiary syphilis ecept A! +nail ulcer B! Cardiac complication 10)as an etra chromosome A! &urner syndrome B! %o3n syndrome 10:Involved in the mechanism o" cou'h reFe ecept 10; &rue statement about the middle ear mucosa 10= &ype I neuron in inner hair cells o" the cochlea 108Anterior and posterior tympanic ishmus in the middle ear Collected and 3ritten by %r!Al-Ho#i 3ith help "rom %r!AlMutairi/ %r!ala3ani/ %r!Al-shalaan 108K1209 →
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