1.Ear, Nose and Throat by W.Becker.

2. Lecture Notes of Diseases of Ear, Nose and Throat by P.Bull.

3. Diseases of EAR, NOSE & THROAT by PL Dhingra, Shruti Dhingra.

Course: 

ORL431 / اذن431

1.The number of constrictions in the external auditory canal is:

A. One

B. Two *

C. Three

D. Four

2.The part of external auditory canal which is difficult to see is :

A. Bony

B. Cartilaginous

C. Meatal recess *

D. Roof

3.Fissures of santorini are present in: