Question 1

Describe how the muscle spindles and the tendon organs vary in their role during the stretch reflex and opposing tendon reflex.

Accepted Answer

Tendon organs work with muscle spindles ...

Question 2

A patient has a loss of hearing in only one ear. Which of the following is likely to be a result?

Accepted Answer

A)   The patient will not be able to track objects with the eye on the same side as the hearing loss.
B)   The patient will have increased sensitivity to sound in the unaffected ear.
C)   The patient will not be able to localize the origin of sounds.
D)   The patient will have a loss of balance with dizziness and vertigo.

Question 3

What is the main function of the rods in the eye?

Accepted Answer

A)   depth perception
B)   accommodation for near vision
C)   vision in dim light
D)   color vision

Question 4

Another name for the primary visual cortex is ________.

Accepted Answer

A)   collicular cortex
B)   prestriate cortex
C)   prefrontal cortex
D)   striate cortex

Question 5

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

Accepted Answer

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

Question 6

Which of the following taste sensations is incorrectly matched to the chemicals that produce it?

Accepted Answer

A)   bitter-alkaloids
B)   salty-metal i ons
C)   umami-triglycerides and fatty acids
D)   sour-acids
E)   sweet-organic substances such as sugar and some lead salts

Question 7

A fracture of the ethmoid bone could result in damage to which cranial nerve?

Accepted Answer

A)   glossopharyngeal
B)   olfactory
C)   vag us
D)   accessory

Question 8

Which of the following nerves does not arise from the brachial plexus?

Accepted Answer

A)   median
B)   ulnar
C)   radial
D)   phrenic

Question 9

Humans can smell as many as 10,000 different odors but have significantly fewer types of olfactory receptors. Which of the following is the best explanation for why humans candistinguish so many smells?

Accepted Answer

A)   The belief that we can smell so many different distinct odors is a psychological process referred to as an uncinate fit or olfactory hallucination.
B)   Taste receptors that are active at the same time influence the subtlety of what we smell.
C)   The olfactory pathway travels to location in the brain in which memories are formed and we simply mix this new sensory information with old memories.
D)   The sensation of a single, distinct smell is a combination of a variety of chemicals that stimulate different combinations of olfactory receptor cells all at once.

Question 10

A nurse is asked about the cause of the excruciating pain of tic douloureux . How should s/he answer?

Accepted Answer

The excruciating pain is cause...

Question 11

Visible light fits between ________.

Accepted Answer

A)   infrared and microwaves
B)   microwaves and radio waves
C)   UV and infrared
D)   X rays and UV

Question 12

Name and describe five examples of exteroceptors that are not cutaneous receptors of the skin.

Accepted Answer

Exteroceptors that are not cutaneous rec...

Question 13

Good friends Sami and Sara were picking roses when both encountered rose thorns. Sami just laughed and continued to pick more roses. Sara, however, had tears in her eyes and complained of how much the thorn prick hurt. What accounts for the difference in their response to the same pain stimulus?

Accepted Answer

Even though both individuals have the sa...

Question 14

Describe the steps of the regeneration process of a damage peripheral nerve fiber.

Accepted Answer

The portion of the axon distal to the in...

Question 15

Reciprocal inhibition means that while one sensory nerve is stimulated, another sensory neuron for synergistic muscles in the same area is inhibited and cannot respond.

Accepted Answer

A) True 
 B)False

Question 16

All processing at the circuit level going up to the perceptual level must synapse in the________.

Accepted Answer

A)   reticular formation
B)   medulla
C)   thalamus
D)   pons

Question 17

Hot chili peppers contain a chemical compound called capsaicin that stimulate which type of receptor?

Accepted Answer

The answer of Hot chili peppers contain a chemical compound...

Question 18

Which of the following is the best explanation for why night vision is fuzzy and indistinct?

Accepted Answer

A)   Rods contain a single kind of visual pigment.
B)   Cones come in three types, each sensitive to different wavelengths of light.
C)   The foveae are densely packed with cones.
D)   As many as 100 cones may converge on one ganglion cell.

Question 19

The cells of the retina in which action potentials are generated are the ________.

Accepted Answer

A)   ganglion cells
B)   bipolar cells
C)   amacrine cells
D)   rods and cones

Exam 13: The Peripheral Nervous System and Reflex Activity

Which of the following is the best explanation for why night vision is fuzzy and indistinct?

Correct Answer
verified

What is the main function of the rods in the eye?

Correct Answer
verified

Which of the following nerves does not arise from the brachial plexus?

Correct Answer
verified

All processing at the circuit level going up to the perceptual level must synapse in the________.

Correct Answer
verified

Reciprocal inhibition means that while one sensory nerve is stimulated, another sensory neuron for synergistic muscles in the same area is inhibited and cannot respond.

Correct Answer
verified

Visible light fits between ________.

Correct Answer
verified

Another name for the primary visual cortex is ________.

Correct Answer
verified

A fracture of the ethmoid bone could result in damage to which cranial nerve?

Correct Answer
verified

Good friends Sami and Sara were picking roses when both encountered rose thorns. Sami just laughed and continued to pick more roses. Sara, however, had tears in her eyes and complained of how much the thorn prick hurt. What accounts for the difference in their response to the same pain stimulus?

Correct Answer
verified
Even though both individuals have the sa...
View Answer

Describe how the muscle spindles and the tendon organs vary in their role during the stretch reflex and opposing tendon reflex.

Correct Answer
verified
Tendon organs work with muscle spindles ...
View Answer

The cells of the retina in which action potentials are generated are the ________.

Correct Answer
verified

Describe the steps of the regeneration process of a damage peripheral nerve fiber.

Correct Answer
verified
The portion of the axon distal to the in...
View Answer

A nurse is asked about the cause of the excruciating pain of tic douloureux . How should s/he answer?

Correct Answer
verified
The excruciating pain is cause...
View Answer

Which of the following taste sensations is incorrectly matched to the chemicals that produce it?

Correct Answer
verified

Name and describe five examples of exteroceptors that are not cutaneous receptors of the skin.

Correct Answer
verified
Exteroceptors that are not cutaneous rec...
View Answer

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

Correct Answer
verified

Humans can smell as many as 10,000 different odors but have significantly fewer types of olfactory receptors. Which of the following is the best explanation for why humans candistinguish so many smells?

Correct Answer
verified

A patient has a loss of hearing in only one ear. Which of the following is likely to be a result?

Correct Answer
verified

Hot chili peppers contain a chemical compound called capsaicin that stimulate which type of receptor?

Correct Answer
verified

Exam 13: The Peripheral Nervous System and Reflex Activity

Which of the following is the best explanation for why night vision is fuzzy and indistinct?

Correct AnswerverifiedShow Answer

What is the main function of the rods in the eye?

Correct AnswerverifiedShow Answer

Which of the following nerves does not arise from the brachial plexus?

Correct AnswerverifiedShow Answer

All processing at the circuit level going up to the perceptual level must synapse in the________.

Correct AnswerverifiedShow Answer

Reciprocal inhibition means that while one sensory nerve is stimulated, another sensory neuron for synergistic muscles in the same area is inhibited and cannot respond.

Correct AnswerverifiedShow Answer

Visible light fits between ________.

Correct AnswerverifiedShow Answer

Another name for the primary visual cortex is ________.

Correct AnswerverifiedShow Answer

A fracture of the ethmoid bone could result in damage to which cranial nerve?

Correct AnswerverifiedShow Answer

Good friends Sami and Sara were picking roses when both encountered rose thorns. Sami just laughed and continued to pick more roses. Sara, however, had tears in her eyes and complained of how much the thorn prick hurt. What accounts for the difference in their response to the same pain stimulus?

Correct AnswerverifiedEven though both individuals have the sa...View AnswerShow Answer

Describe how the muscle spindles and the tendon organs vary in their role during the stretch reflex and opposing tendon reflex.

Correct AnswerverifiedTendon organs work with muscle spindles ...View AnswerShow Answer

The cells of the retina in which action potentials are generated are the ________.

Correct AnswerverifiedShow Answer

Describe the steps of the regeneration process of a damage peripheral nerve fiber.

Correct AnswerverifiedThe portion of the axon distal to the in...View AnswerShow Answer

A nurse is asked about the cause of the excruciating pain of tic douloureux . How should s/he answer?

Correct AnswerverifiedThe excruciating pain is cause...View AnswerShow Answer

Which of the following taste sensations is incorrectly matched to the chemicals that produce it?

Correct AnswerverifiedShow Answer

Name and describe five examples of exteroceptors that are not cutaneous receptors of the skin.

Correct AnswerverifiedExteroceptors that are not cutaneous rec...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Humans can smell as many as 10,000 different odors but have significantly fewer types of olfactory receptors. Which of the following is the best explanation for why humans candistinguish so many smells?

Correct AnswerverifiedShow Answer

A patient has a loss of hearing in only one ear. Which of the following is likely to be a result?

Correct AnswerverifiedShow Answer

Hot chili peppers contain a chemical compound called capsaicin that stimulate which type of receptor?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Even though both individuals have the sa...
View Answer

Correct Answer
verified
Tendon organs work with muscle spindles ...
View Answer

Correct Answer
verified

Correct Answer
verified
The portion of the axon distal to the in...
View Answer

Correct Answer
verified
The excruciating pain is cause...
View Answer

Correct Answer
verified

Correct Answer
verified
Exteroceptors that are not cutaneous rec...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified