Human Ear MCQs

1. Middle ear communicates with the nasal cavity through …..

a. Eustachian tube 
b. Round window
c. Oval window
d. External ear

2. The external part of the ear which is covered with skin and make up cartilage is called

a. Pinna

b. Auditory canal

c. Ear drum

d. Incus

3. The number of ducts used to make cochlea are 

a. 1

b. 2

c. 3

d. 4

4. The board external part of the ear that directs sound waves in the auditory canal is called

a. Ear drum

b. Pinna

c. Vestibule

d. Cochlea