#Embryology.Mini_Test -- 3

     

PG MCQ's_TOPIC: OTOLOGY 

1. The stapes bone develops from

a- first visceral arch.

b- second visceral arch.

c- the otic capsule.

d- Both b & c are right.

e- Both a & b are right

2 - The first visceral cleft gives all of the following except

a- outer layer of the tympanic membrane

b- the auricle.

c- the external auditory canal.

d- the fibrous layer of the tympanic membrane

3  -The first visceral arch gives all of the following except

a- outer layer of the tympanic membrane

b- malleus.

c- incus .

d- the fibrous layer of the tympanic membrane

4. call aural fistula is

a. 1^st branchial cleft anomaly

b. 2^nd branchial cleft anomaly

c. 1^st branchial pouch anomaly

d. 2^nd branchial pouch anomaly

5. a new born presents with bilateral microtia at birth & external auditory canal atresia. Corrective surgery is usually performed at

a. puberty

b. adult

c. 5-7 years of age

d. <1 year of age