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Exam 8: Special Senses

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Question 51

Multiple Choice

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The greatest visual acuity is housed in the ________.

A) optic disc
B) blind spot
C) ciliary body
D) vitreous humor
E) fovea centralis

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Question 52

Multiple Choice

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Vitamin A deficiency can lead to ________.

A) night blindness
B) presbyopia
C) cataracts
D) glaucoma
E) color blindness

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Question 53

Multiple Choice

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The ________ gland is located above the lateral end of each eye and releases tears.

The biconvex structure that focuses light on the retina is the ________.

The membrane that covers the outer surface of the eye and lines the eyelids is the ________.

Using Figure 8.1, identify the following: -The auricle (pinna) is indicated by ________.

The cochlear nerve transmits impulses to the auditory cortex located in the ________.

Match the following ear structures to their appropriate descriptions: -Location of the ossicles

Fibers from the medial side of each eye cross over to the opposite side of the brain at the ________.

Identify the pathway of vibrations as they travel from the tympanic membrane to the ossicles ________.

Match the following ear structures to their appropriate descriptions: -Location of equilibrium receptors

Unlike the sensation of taste, it is NOT necessary to have the chemicals associated with smells dissolved in body fluids.

Which layer of the eye contains rods and cones?

Match the following eye disorders with their descriptions: -Inflammation of the conjunctiva

The fibrous covering of the eye consists of the white outer layer, known as the ________, and a transparent portion known as the ________.

The gel-like substance that reinforces the eyeball and prevents it from collapsing inward is the ________.

Match the following descriptions to their appropriate eye structure: -"White of the eye"

The choroid consists of an outer, pigmented layer and an inner, neural layer which is home to rods and cones.

The function of the pharyngotympanic (auditory) tube is to transmit sound vibrations to the eardrum (tympanic membrane).

Match the following ear structures to their appropriate descriptions: -Tympanic membrane separates the outer ear from this region