PART 4: DEVELOPMENTAL ASPECTS OF THE SPECIAL SENSES

Question 1

which is commonly called “crossed eyes,” results from unequal pulls by the external eye muscles that prevent the baby from coordinating movement of the two eyes

Answer 1

Strabismus

Question 2

the bacteria will infect the baby’s eyes during delivery. In the resulting conjunctivitis

Answer 2

ophthalmia neonatorum

Question 3

results from decreasing lens elasticity that
accompanies aging.

Answer 3

presbyopia

Question 4

Vision requires the most learning. The infant has poor visual acuity (is farsighted) and lacks color vision and depth perception at birth. The eye continues to grow and mature until age 8 or 9.

Answer 4

TRUE

Question 5

Problems of aging associated with vision include presbyopia, glaucoma, cataracts, and arteriosclerosis of the eye’s blood vessels.

Answer 5

TRUE

Question 6

Gustatory cells are

Answer 6

epithelial cells.

Question 7

Alkaloids excite gustatory hairs mostly at the

Answer 7

back of the tongue.

Question 8

Parts of the olfactory mucosa include the

Answer 8

mucus layer

Question 9

Which cranial nerve is not involved in controlling
the action of the extrinsic eye muscles?

Answer 9

Trigeminal

Question 10

The cornea is nourished by

Answer 10

corneal blood vessels.

Question 11

When the eye focuses for far vision

Answer 11

the light rays are nearly parallel

Question 12

Convergence requires contraction of the medial rectus muscles of both eyes.

Answer 12

TRUE

Question 13

Which of the following are paired incorrectly?
a. Cochlear duct—cupula
b. Vestibule—macula
c. Ampulla—otoliths
d. Semicircular duct—ampulla

Answer 13

A

Question 14

Movement of the _______ membrane triggers
bending of hairs of the hair cells in the spiral organ
of Corti.
a. tympanic
b. tectorial
c. basilar
d. vestibular

Answer 14

B

Question 15

Sounds entering the external acoustic meatus are eventually converted to nerve impulses via a chain of events including

Answer 15

vibration of the eardrum