Question 1

When a photoreceptor cell is stimulated by light:

Accepted Answer

A)  the photoreceptor hyperpolarizes as sodium ion channels close.
B)  sodium ions enter the outer segment of the photoreceptor and depolarize it.
C)  transducin and phosphodiesterase (PD
E)  are inactive.
D)  opsin and cis-retinal combine to form rhodopsin.E) B) and C)
F) All of the above

Question 2

Explain how the sense of smell is carried into the brain from olfactory neurons.

Accepted Answer

The axons of the olfactory neurons make ...

Question 3

Special senses,such as sight and sound,are converted to an action potential by:

Accepted Answer

A)  perception.
B)  sensation.
C)  transduction.
D)  interpretation.E) A) and D)
F) B) and C)

Question 4

Discuss the two types of photoreceptors and the function of each.

Accepted Answer

The two types of photoreceptors are rods...

Question 5

Describe how the iris regulates light entry into the eye during sympathetic and parasympathetic stimulation.

Accepted Answer

The iris contains two muscles that impro...

Question 6

Dhara has Sjögren's syndrome,an autoimmune disorder in which the body's white blood cells destroy glands such as the salivary glands.Determine the impact on her sensation of taste.

Accepted Answer

Dhara will experience diminished taste s...

Question 7

Select the letter representing the nasolacrimal duct.

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) All of the above
F) C) and D)

Question 8

What nerves carry information about the special senses to the CNS?

Accepted Answer

A)  spinal nerves only
B)  cranial nerves only
C)  cervical nerves only
D)  both cranial and spinal nervesE) A) and B)
F) A) and C)

Question 9

A person who has a cochlear implant needs this device for:

Accepted Answer

A)  the prevention of nausea.
B)  hearing.
C)  the prevention of dizziness.
D)  balance.E) All of the above
F) A) and C)

Question 10

The otolithic membrane plays a role in the detection of:

Accepted Answer

A)  linear acceleration and head tilting.
B)  hearing.
C)  startle reflex.
D)  rotational head movements.E) A) and B)
F) None of the above

Question 11

Which cranial nerve is responsible for transmitting information about sounds and head position and movement to the brain?

Accepted Answer

A)  optic nerve (CN II) 
B)  facial nerve (CN VII) 
C)  olfactory nerve (CN I) 
D)  vestibulocochlear nerve (CN VIII) E) B) and C)
F) A) and D)

Question 12

If the stapedius muscle is unable to reduce movement of the ossicles as a unit,how is hearing affected?

Accepted Answer

A)  Sounds will be louder than normal.
B)  Sounds will be softer than normal.
C)  We hear no sound.
D)  Hearing is not affected.E) All of the above
F) None of the above

Exam 15: The Special Senses

Discuss the two types of photoreceptors and the function of each.

Correct Answer
verified
The two types of photoreceptors are rods...
View Answer

What nerves carry information about the special senses to the CNS?

Correct Answer
verified

Special senses,such as sight and sound,are converted to an action potential by:

Correct Answer
verified

Which cranial nerve is responsible for transmitting information about sounds and head position and movement to the brain?

Correct Answer
verified

A person who has a cochlear implant needs this device for:

Correct Answer
verified

When a photoreceptor cell is stimulated by light:

Correct Answer
verified

Dhara has Sjögren's syndrome,an autoimmune disorder in which the body's white blood cells destroy glands such as the salivary glands.Determine the impact on her sensation of taste.

Correct Answer
verified
Dhara will experience diminished taste s...
View Answer

If the stapedius muscle is unable to reduce movement of the ossicles as a unit,how is hearing affected?

Correct Answer
verified

The otolithic membrane plays a role in the detection of:

Correct Answer
verified

Describe how the iris regulates light entry into the eye during sympathetic and parasympathetic stimulation.

Correct Answer
verified
The iris contains two muscles that impro...
View Answer

Select the letter representing the nasolacrimal duct.

Correct Answer
verified

Explain how the sense of smell is carried into the brain from olfactory neurons.

Correct Answer
verified
The axons of the olfactory neurons make ...
View Answer

Exam 15: The Special Senses

Discuss the two types of photoreceptors and the function of each.

Correct AnswerverifiedThe two types of photoreceptors are rods...View AnswerShow Answer

What nerves carry information about the special senses to the CNS?

Correct AnswerverifiedShow Answer

Special senses,such as sight and sound,are converted to an action potential by:

Correct AnswerverifiedShow Answer

Which cranial nerve is responsible for transmitting information about sounds and head position and movement to the brain?

Correct AnswerverifiedShow Answer

A person who has a cochlear implant needs this device for:

Correct AnswerverifiedShow Answer

When a photoreceptor cell is stimulated by light:

Correct AnswerverifiedShow Answer

Dhara has Sjögren's syndrome,an autoimmune disorder in which the body's white blood cells destroy glands such as the salivary glands.Determine the impact on her sensation of taste.

Correct AnswerverifiedDhara will experience diminished taste s...View AnswerShow Answer

If the stapedius muscle is unable to reduce movement of the ossicles as a unit,how is hearing affected?

Correct AnswerverifiedShow Answer

The otolithic membrane plays a role in the detection of:

Correct AnswerverifiedShow Answer

Describe how the iris regulates light entry into the eye during sympathetic and parasympathetic stimulation.

Correct AnswerverifiedThe iris contains two muscles that impro...View AnswerShow Answer

Select the letter representing the nasolacrimal duct.

Correct AnswerverifiedShow Answer

Explain how the sense of smell is carried into the brain from olfactory neurons.

Correct AnswerverifiedThe axons of the olfactory neurons make ...View AnswerShow Answer

Correct Answer
verified
The two types of photoreceptors are rods...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Dhara will experience diminished taste s...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The iris contains two muscles that impro...
View Answer

Correct Answer
verified

Correct Answer
verified
The axons of the olfactory neurons make ...
View Answer