Head and Neck Exam Part 2 - Answers

HEAD and NECK 1. Identif A and B in thee given image i skulll a. b. c. d. Ans b Ptheri n and lambda B regma and lambda B regma and ptheri n Ptheri n and bregma 2. Identif thee b ne se wn in arr w Marked b ne – Inca – intherpariethal b ne 3. Mass in the shown foramen results all except a. b. c. d. Difficullthf in swall wing H arseness Difficullthf in thulrning eead th pp sithe side T ngule deviathes th same side Ans d Marked i ramen is julgullar i ramen – 9, 10, 11 passing ther ulge ith. efp gl ssal nerve passing ther ulge efp gl ssal nerve 4. Parasympathetc nerve not passing through which of the following foramen a. A b. B c. C d. D Ans d A – F ramen vale – lesser pethr sal nerve – carries parasfmpatheetc bres th par td gland B – inthernal auldith rf meathuls – iacial nerve (parasfmpatheetcc passing ther ulge ith C – julgullar i ramen – gl ss pearfngeal and vaguls passing ith D – Hfp gl ssal canal – efp gl ssal nerve – n th carrfing parasfmpatheetc bres 5. True or false about skull foramina and contents a. F ramen vale – lesser pethr sal nerve – thrule b. F ramen lacerulm – inthernal car td artherf – ialse c. F ramen spin sulm – middle meningeal artherf – thrule d. Inthernal ac ulstc meathuls – nervuls inthermediuls – thrule e. F rmen magnulm – cranial parth i access rf – ialse – spinal parth i access rf 6. Identif thee sthrulcthulre passing ther ulge marked i ramen a. b. c. d. Maxillarf nerve Vidian nerve Nas palatne nerve Speen palatne nerve Ans a maxillarf nerve – marked i ramen is i ramen r thulndulm 7. Hfp gl ssal nerve is thee c nthenth i weice i thee i ll wing a. b. c. d. A nlf A and C A, B , C C nlf Ans b Hfp gl ssal nerve is thee c nthenth i digasthric and car td thriangle A – digasthric, B – sulbmenthal, c – car td thriangle, d -mulscullar thriangle, E – ccipithal thriangle, F – sulb clavian thriangle 8. Trule i ialse sthathemenths ab ulth marked sthrulcthulres in neck a. A - spinal parth i access rf - Passes ther ulge julgullar i ramen nlf – ialse – spinal parth i access rf passes ther ulge i. magnulm and julgullar i ramen b. B – S le m th r sulpplf th diaperagm – perenic nerve – thrule c. C – brance ir m lingulal nerve – nerve th mfl ef id – ialse – nerve th mfl ef id ir m inieri r alve lar nerve d. D – c nthenth i car td seeathe – vaguls nerve – thrule e. E – mixed nerve – ansa cervicalis – m th r brance i cervical plexuls 9. Tee c mm n f r mulscle i r car td and digasthric thriangle a. Mfl ef id b. Inieri r c nsthricth r c. Hf gl ssuls d. Tefr ef id Ans c ef gl ssuls C mm n f r mulscle i digasthric and car td thriangle – middle c nsthricth r and ef gl ssuls 10. During the excision of cervical lymph nodes, injury of which of the following causes drooping of shoulder a. Spinal access rf nerve b. Sulpra clavicullar nerve c. Sulb clavicullar nerve d. Sulpra scapullar nerve Ans a spinal access rf nerve Dr ping i se ullder dule th palsf i thrapeziuls mulscles weice is innervathed bf spinal access rf nerve 11. Skin ver thee angle i mandible sulpplied bf Ans – A – skin ver thee angle i mandible – greath aulricullar nerve A – greath aulricullar nerve, b – lesser ccipithal nerve, c – sulpra clavicullar nerve, D – thransverse cervical nerve 12. Tfmpanic membrane derived ir m a. Pearfngeal arce b. Pearfngeal membrane c. Pearfngeal p ulce d. Pearfngeal gr ve Ans b Pearfngeal membrane – sithe weere ecth derm i pearfngeal gr ve and end derm i pearfngeal p ulce appr ace eace theer withe inthervening mesencefme – i rms pearfngeal membrane – thfmpanic membrane 13. All the muscles are derived from the pharyngeal arches except a. Tens r thfmpani b. Levath r palpebrae sulperi ris c. Palatne thens r d. Orbicullaris culli Ans b LPS – mulscle – derived ir m s mithes 14. True regarding thymus is a. Devel ps ir m i ulrthe pearfngeal p ulce b. Increase in size withe increasing age c. Ith is ecth dermal in rigin d. Descends antheri r th bracei cepealic vein Ans d Tefmuls ir m theird p ulce – decrease withe increasing age – end dermal rigin 15. Structure develops from neuro ectoderm a. b. c. d. A B C D Ans b – pars nerv sa – derived ir m neulr ecth derm A – pars thulberalis, C – pars inthermedia, D – pars antheri r(disthalisc – ir m sulriace ecth derm 16. Image of palate given in the diagram. A and B develop from a. b. c. d.    Maxillarf pr cess al ne Maxillarf pr cess and mandibullar pr cess Medial nasal pr cess and maxillarf pr cess Medial and latheral nasal pr cess Answer c A – primitve palate developed from intermaxillary process – medial nasal process B – secondary palate from palatne shelves – from maxillary process 17. Weice gr ulp i lfmpe n des presenth in thee marked area a. b. c. d. Level 2 Level 3 Level 4 Level 5 Ans d In p stheri r thriangle – level 5 n des 18. The following statements are TRUE/FALSE about triangles of neck a. Hfp gl ssal nerve c nthenth i digasthric & car td thriangle – thrule b. Hf gl ssuls mulscle i rms f r th digasthric and car td thriangle – thrule c. Occipithal and mulscullar thriangle are p stheri r thriangles – ialse – mulscullar thriangle – antheri r thriangle d. P stheri r b ulndarf i car td thriangle is i rmed bf p stheri r b ulndarf i sthern cleid masth id – ialse – p stheri r b ulndarf is antheri r b rder i SCM e. R i i thee p stheri r thriangle – investng lafer and pre verthebral lafer – thrule 19. Ans b 1sth arce – antheri r bellf, 2nd arce – sthfl id, 3rd arce – sthfl pearfngeuls, 4the arce – Palath pearfngeuls, 6the arce – p stheri r cric arfthen id 20. Spaces in the neck a. Exthernal julgullar vein presenth in sulpraclavicullar space b. Space bethween bulcc pearfngeal iascia antheri rlf and alar iascia p stheri rlf is danger uls area c. Space bethween alar iascia antheri rlf and preverthebral iascia p stheri rlf is rethr pearfngeal iascia 1c 2c 3c 4c d. Antheri r julgullar vein in sulpra sthernal space a, d c rrecth a, b, c c rrecth b, c c rrecth b, c, d c rrecth ans 1 – a, d c rrecth danger uls area presenth bethween – alar iascia antheri rlf and p stheri rlf preverthebral lafer rethr pearfngeal space bethween – bulcc pearfngeal iascia antheri rlf – alar iascia p stheri rlf 21. True/False about Scalenus anterior muscle a. Ith is ataceed th thee thulbercle i sec nd rib – ialse – th rsth rib b. Ith is ataceed th thee thransverse cervical artherf – ialse c. Ith is pierced bf thee perenic nerve – ialse d. Ith separathes thee sulbclavian vein ir m thee sulbclavian artherf – thrule e. Ith is separatng sulb clavian artherf in th theree parths – thrule 22. Muscles derived from A and B a. b. c. d. A – geni gl ssuls B – palath gl ssuls A – massether, B - ef gl ssuls A – speincther pulpillae, B – geni gl ssuls A – sthfl pearfngeuls B – sthfl gl ssuls Ans a A – s mithes – geni gl ssuls B – pearfngeal arcees – palath gl ssuls 23. Identif thee d rsal scapullar artherf in thee given diagram Ans A A – d rsal scapullar artherf B – sulpra scapullar artherf C – thransverse cervical artherf D – thefr cervical thrulnk