Question 1

Trace the pathway of sound as it enters the external ear until it is perceived in the brain.

Accepted Answer

A sound wave passing through the externa...

Question 2

What structure regulates the amount of light passing to the visual receptors of the eye?

Accepted Answer

A)   cornea
B)   aqueous humor
C)   iris
D)   lens

Question 3

The bending of light rays is called reflection.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following types of neurons are replaced throughout adult life?

Accepted Answer

A)   retinal bipolar cells
B)   retinal ganglion cells
C)   auditory outer and inner hair cells
D)   olfactory receptor cells

Question 5

The first vestiges of eyes in the embryo are called .

Accepted Answer

A)   optic cups
B)   optic vesicles
C)   mesenchyme
D)   optic discs

Question 6

Light passes through the entire thickness of the neural layer of the retina to excite the photoreceptors.

Accepted Answer

A) True 
 B)False

Question 7

Explain why prolonged periods of reading tire the eye muscles and result in eye strain.

Accepted Answer

Reading or other close work re...

Question 8

There are three layers of neurons in the retina. The axons of which of these neuron layers form the optic nerves?

Accepted Answer

A)   bipolar cells
B)   cone cells
C)   rod cells
D)   ganglion cells

Question 9

The oval window is connected directly to which passageway?

Accepted Answer

A)   scala vestibuli
B)   pharyngotympanic tube
C)   scala tympani
D)   external acoustic meatus

Question 10

Ordinarily, it is NOT possible to transplant tissues from one person to another, yet corneas can be transplanted without tissue rejection. This is because the cornea .

Accepted Answer

A)   has no nerve supply
B)   is not a living tissue
C)   has no blood supply
D)   does not contain connective tissue

Question 11

Which movement of ions produces EPSPs in cochlea hair cells?

Accepted Answer

A)   Influx of Na+
B)   Efflux of Ca++
C)   Influx of K+ and Ca++
D)   Efflux of K+

Question 12

After head trauma from an automobile accident, a man has anosmia. Define anosmia. Why is this condition fairly common after such injuries and in cases of severe nasal cavity inflammation?

Accepted Answer

Anosmia means the loss of chemical sense...

Question 13

Motion sickness seems to _.

Accepted Answer

A)   result from mismatch between visual and vestibular inputs
B)   respond best to medication that "boosts" vestibular inputs
C)   respond best to medication taken after salivation and pallor begins
D)   result from activation of nausea centers in the brain stem

Question 14

As light travels through the eye, it passes through several structures or chambers before reaching the retina. Which list below gives those structures in the correct order?

Accepted Answer

A)   cornea, pupil, lens, anterior chamber, posterior segment
B)   cornea, lens, pupil, anterior chamber, posterior segment
C)   cornea, pupil, anterior chamber, lens, posterior segment
D)   cornea, anterior chamber, pupil, lens, posterior segment

Question 15

Odorants must be volatile to be smelled.

Accepted Answer

A) True 
 B)False

Question 16

Labyrinthitis is a medical condition often caused by a viral infection, resulting in swelling and inflammation of the membranous labyrinth. Which of the following symptoms would you most associate with the condition of labyrinthitis?

Accepted Answer

A)   loss of hearing
B)   auditory hallucination
C)   loss of balance and dizziness
D)   ringing in the ears (tinnitus)

Question 17

Vitamin A needed by the photoreceptor cells is stored by the cells of the retina pigmented layer.

Accepted Answer

A) True 
 B)False

Question 18

Dark adaptation _.

Accepted Answer

A)   involves accumulation of rhodopsin
B)   primarily involves improvement of acuity and color vision
C)   is much faster than light adaptation
D)   results in inhibition of rod function

Exam 15: The Special Senses

Vitamin A needed by the photoreceptor cells is stored by the cells of the retina pigmented layer.

Correct Answer
verified

After head trauma from an automobile accident, a man has anosmia. Define anosmia. Why is this condition fairly common after such injuries and in cases of severe nasal cavity inflammation?

Correct Answer
verified
Anosmia means the loss of chemical sense...
View Answer

The first vestiges of eyes in the embryo are called .

Correct Answer
verified

As light travels through the eye, it passes through several structures or chambers before reaching the retina. Which list below gives those structures in the correct order?

Correct Answer
verified

Light passes through the entire thickness of the neural layer of the retina to excite the photoreceptors.

Correct Answer
verified

Trace the pathway of sound as it enters the external ear until it is perceived in the brain.

Correct Answer
verified
A sound wave passing through the externa...
View Answer

There are three layers of neurons in the retina. The axons of which of these neuron layers form the optic nerves?

Correct Answer
verified

Motion sickness seems to _.

Correct Answer
verified

The oval window is connected directly to which passageway?

Correct Answer
verified

What structure regulates the amount of light passing to the visual receptors of the eye?

Correct Answer
verified

Labyrinthitis is a medical condition often caused by a viral infection, resulting in swelling and inflammation of the membranous labyrinth. Which of the following symptoms would you most associate with the condition of labyrinthitis?

Correct Answer
verified

Ordinarily, it is NOT possible to transplant tissues from one person to another, yet corneas can be transplanted without tissue rejection. This is because the cornea .

Correct Answer
verified

Explain why prolonged periods of reading tire the eye muscles and result in eye strain.

Correct Answer
verified
Reading or other close work re...
View Answer

Dark adaptation _.

Correct Answer
verified

Which movement of ions produces EPSPs in cochlea hair cells?

Correct Answer
verified

Odorants must be volatile to be smelled.

Correct Answer
verified

The bending of light rays is called reflection.

Correct Answer
verified

Which of the following types of neurons are replaced throughout adult life?

Correct Answer
verified

Exam 15: The Special Senses

Vitamin A needed by the photoreceptor cells is stored by the cells of the retina pigmented layer.

Correct AnswerverifiedShow Answer

After head trauma from an automobile accident, a man has anosmia. Define anosmia. Why is this condition fairly common after such injuries and in cases of severe nasal cavity inflammation?

Correct AnswerverifiedAnosmia means the loss of chemical sense...View AnswerShow Answer

The first vestiges of eyes in the embryo are called .

Correct AnswerverifiedShow Answer

As light travels through the eye, it passes through several structures or chambers before reaching the retina. Which list below gives those structures in the correct order?

Correct AnswerverifiedShow Answer

Light passes through the entire thickness of the neural layer of the retina to excite the photoreceptors.

Correct AnswerverifiedShow Answer

Trace the pathway of sound as it enters the external ear until it is perceived in the brain.

Correct AnswerverifiedA sound wave passing through the externa...View AnswerShow Answer

There are three layers of neurons in the retina. The axons of which of these neuron layers form the optic nerves?

Correct AnswerverifiedShow Answer

Motion sickness seems to _.

Correct AnswerverifiedShow Answer

The oval window is connected directly to which passageway?

Correct AnswerverifiedShow Answer

What structure regulates the amount of light passing to the visual receptors of the eye?

Correct AnswerverifiedShow Answer

Labyrinthitis is a medical condition often caused by a viral infection, resulting in swelling and inflammation of the membranous labyrinth. Which of the following symptoms would you most associate with the condition of labyrinthitis?

Correct AnswerverifiedShow Answer

Ordinarily, it is NOT possible to transplant tissues from one person to another, yet corneas can be transplanted without tissue rejection. This is because the cornea .

Correct AnswerverifiedShow Answer

Explain why prolonged periods of reading tire the eye muscles and result in eye strain.

Correct AnswerverifiedReading or other close work re...View AnswerShow Answer

Dark adaptation _.

Correct AnswerverifiedShow Answer

Which movement of ions produces EPSPs in cochlea hair cells?

Correct AnswerverifiedShow Answer

Odorants must be volatile to be smelled.

Correct AnswerverifiedShow Answer

The bending of light rays is called reflection.

Correct AnswerverifiedShow Answer

Which of the following types of neurons are replaced throughout adult life?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
Anosmia means the loss of chemical sense...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A sound wave passing through the externa...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Reading or other close work re...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified