401. Larynx extends from_______________?
A. C2 – C7
B. C1- C4
C. C5 – C6
D. C3 C6
402. Nerve supply of the mucosa of larynx is__________________?
A. External laryngeal and recurrent laryngeal
B. Internal laryngeal and recurrent laryngeal
C. External laryngeal
D. Superior laryngeal
403. Posterior boundary of carotid triangle is________________?
A. Sup. Belly of omohyoid
B. Post. Belly of digastric
C. Sternohyoid
D. Sternocleidomastoid
404. Regarding palatin tonsil , which of the following is an statement___________________?
A. Lies on the superior constrictor
B. Lymph form it drains into jugulo digastric group of deep the cervical nodes
C. Has sensory innervation from vagus
D. Is a derivative of the second pharyngeal pouch
405. Which is true of tonsils_______________?
A. Lies on inferior constrictor
B. Developed from 4th branchial cleft
C. Drained by jugulo digastric lymph nodes
D. Crypts lined by stratified columnar epithelium
406. Main arterial supply of the tonsil is from_____________?
A. Facial artery
B. Ascending pharyngeal artery
C. Palatine artery
D. Greater palatine artery
407. Damage to external laryngeal nerve results in_______________?
A. Hoarseness
B. Loss of the timbre of voice
C. Anesthesia of larynx
D. Breathing difficulty
408. Which laryngeal cartilage is above glottis_______________?
A. Arytenoid
B. Epiglottis
C. Cricoid
D. Thyroid
409. Nasolacrimal duct opens into________________?
A. Superior meatus
B. Middle meatus
C. Inferior meatus
D. none of the above
410. The frontal paranasal sinus drains into the_______________?
A. Superior meatus
B. Middle meatus
C. Inferior meathus
D. Spheno- ethmoidal recess