Question

the _______________ is also known as the blind spot of the eye.

fovea centralis
macula
optic disk
optic nerve

question 7
1 pts
the _______________ lies between the outer ear and the middle ear.

mastoid cells
oval window
posterior segment
tympanic membrane

Explanation:

Identify the blind spot of the eye

The blind spot is the region of the retina where the optic nerve axons exit the eye. This region lacks photoreceptors (rods and cones) and is anatomically known as the optic disk.

Identify the boundary between the outer and middle ear

The tympanic membrane, commonly known as the eardrum, is the thin, semi-transparent membrane that separates the external auditory canal (outer ear) from the tympanic cavity (middle ear).

Answer:

Question 1

• (A) fovea centralis
• (B) macula
• (C) optic disk (Correct answer)
• (D) optic nerve

Question 2

• (A) mastoid cells
• (B) oval window
• (C) posterior segment
• (D) tympanic membrane (Correct answer)