Inservice Exam Questions and Answers
"Which laryngeal cartilage is the last to chondrify?
A) Epiglottis
B) Arytenoids
C) Cricoid
D) Thyroid", - answer ,A) Epiglottis,
"What is the mechanism of action of lidocaine?
A) Changes the resting membrane potential of neurons
B) Blocks potassium channels
C) Blocks sodium channels", - answer ,C) Blocks sodium channels,
What is the mechanism of action of botox?, - answer ,Prevents release of
acetylcholine from presynaptic neuron,
"During radical neck dissection, superior jugular vein stump retracts into skull base, with
massive hemorrhage. What do you do next?
A) Fibrin glue to skull base
B) Surgicel and muscle flap to skull base
C) Reverse trendelenburg and carotid pressure
D) Mastoidectomy", - answer ,B) Surgicel and muscle flap to skull base,
"What nerve supplies sensation to radial forearm free flap?
A) lateral antebrachial
B) radial
C) posterior ulnar
D) medial ulnar", - answer ,A) Lateral antebrachial cutaneous nerve,
"Airway fire starts during central neck dissection. What do you do next?
A) Put wet sponge on the field
B) Pull endotracheal tube
C) Turn off oxygen", - answer ,B) Pull endotracheal tube,
"What antibiotic do you give for Actinomyces infection in a patient with penicillin allergy?
A) Tetracycline
B) TMP-SMX
C) Clindamycin", - answer ,A) Tetracycline,
"What is the first lymph node basin for metastases from base of tongue SCC?
A) Level I
B) Level II
C) Level III
D) Level IV", - answer ,B) Level II,
, "Where is the most common location for facial nerve injury with longitudinal temporal
bone fracture?
A) Horizontal segment
B) Vertical segment
C) Labyrinthine segment
D) Geniculate ganglion", - answer ,D) Geniculate ganglion,
"What is the narrowest section of the fallopian (facial nerve) canal?
A) Meatal
B) Labyrinthine
C) Horizontal (tympanic)
D) Vertical (mastoid)", - answer ,B) Labyrinthine,
"Elderly male with multiple medical problems has large CPA tumor. His children do no
want you to tell him. What should you do?
A) follow children's wishes
B) tell children you have obligation to tell the patient
C) inform patient's wife and let her decide
D) Meet with psychologist and whole family to decide if patient should be told", - answer
,B) Tell the patient,
"What is the most common site for granular cell tumor of the head/neck?
A) Larynx
B) Buccal mucosa
C) Tongue
D) Maxillary sinus", - answer ,C) Tongue,
"What immunohistochemical stain is positive in Merkel Cell Carcinoma?
A) S100
B) Gp100
C) MART1
D) CK20", - answer ,"D) CK20
(the others are for melanoma)",
"Where is the location of injury with cisplatin ototoxicity?
A) Outer hair cells
B) Stria vascularis
C) Inner hair cells", - answer ,A) Outer hair cells,
"Where is the location of injury with aminoglycoside ototoxicity?
A) Outer hair cells
B) Stria vascularis
C) Inner hair cells", - answer ,A) Outer hair cells,
"Where is the location of injury with loop diuretic ototoxicity?
