Question 1

Match the ganglion cell response to the location of the light stimulus.
-Light only shines on the center of an off-center visual field.

Accepted Answer

A) fully excited 
B) fully inhibited 
C) weak response 
A) fully excited 
B) fully inhibited 
C) weak response B

Question 2

Match the symptoms to the problem.
-central hearing loss

Accepted Answer

A) damage to the cerebral cortex 
B) degeneration of hair cells 
C) ringing in the ears 
D) dizziness and nausea 
E) problems with structures of the middle ear 
A) damage to the cerebral cortex 
B) degeneration of hair cells 
C) ringing in the ears 
D) dizziness and nausea 
E) problems with structures of the middle ear A

Question 3

Put these structures of the visual system in the order that they transmit light to the retina.
1)lens
2)aqueous humor
3)cornea
4)vitreous humor

Accepted Answer

A)  3, 4, 1, 2 
B)  3, 2, 1, 4 
C)  1, 2, 3, 4 
D)  1, 4, 3, 2 
E)  2, 3, 4, 1 
A)  3, 4, 1, 2 
B)  3, 2, 1, 4 
C)  1, 2, 3, 4 
D)  1, 4, 3, 2 
E)  2, 3, 4, 1 B

Question 4

Match the specific receptor to its typical stimulus.
-temperature

Accepted Answer

A) free nerve ending 
B) Merkel receptor 
C) Meissner's corpuscle 
D) Ruffini corpuscle 
E) Pacinian corpuscle 
A) free nerve ending 
B) Merkel receptor 
C) Meissner's corpuscle 
D) Ruffini corpuscle 
E) Pacinian corpuscle

Question 5

Based on your knowledge of the structures of the eye and visual pathway, propose several possible causes for blindness.How does the disease glaucoma fit in this scheme?

Accepted Answer

There are a large number of structures i

Question 6

With the photoreceptor already stimulated with a moderate light intensity, a(n)________ in light intensity is required to open more sodium channels.

Accepted Answer

decrease (

Question 7

The hair cells of utricle and saccule are clustered in

Accepted Answer

A)  ampullae. 
B)  cristae. 
C)  cupulae. 
D)  maculae. 
E)  otoliths. 
A)  ampullae. 
B)  cristae. 
C)  cupulae. 
D)  maculae. 
E)  otoliths.

Question 8

On a dark night, the rods have a high concentration of

Accepted Answer

A)  opsin. 
B)  cAMP. 
C)  cGMP. 
D)  kinase. 
A)  opsin. 
B)  cAMP. 
C)  cGMP. 
D)  kinase.

Question 9

Collateral pathways take vestibular receptor signals from the medulla to the

Accepted Answer

A)  reticular formation only. 
B)  thalamus only. 
C)  cerebellum only. 
D)  reticular formation and cerebellum. 
E)  thalamus and reticular formation. 
A)  reticular formation only. 
B)  thalamus only. 
C)  cerebellum only. 
D)  reticular formation and cerebellum. 
E)  thalamus and reticular formation.

Question 10

In a recent accident, your favorite uncle lost one of his arms just below the elbow; he sustained no other injuries.The wound has completely healed, yet he is plagued by pain he claims is coming from a hand that is no longer there.Afraid to confide in his doctor, he asks you if he is going insane.What should you tell him? What principles are illustrated by this phenomenon?

Accepted Answer

Your uncle still has the surviving parts

Question 11

In addition to temperature, cold receptors respond to

Accepted Answer

A)  menthol. 
B)  capsaicin. 
C)  alcohol. 
D)  water. 
A)  menthol. 
B)  capsaicin. 
C)  alcohol. 
D)  water.

Question 12

Nociceptors activate ________ pathways that provide protection by allowing rapid responses to noxious stimuli.

Accepted Answer

The answer of Nociceptors activate ________ pathways that provide protection...

Question 13

"No brain, no pain" is a cute phrase, but is it True that a brain is required to feel pain? Explain.Brain surgery can be performed on awake patients with anesthesia only to the overlying tissues.Does this indicate that "no brain, no pain" is just a rhyme with no scientific basis? Explain.

Accepted Answer

It is True that a brain is required to f

Question 14

The perception threshold describes the

Accepted Answer

A)  intensity of stimulus required to generate a receptor potential. 
B)  intensity of stimulus required to generate an action potential. 
C)  convergence of information from multiple primary sensory neuron onto a single secondary neuron. 
D)  concept that neurons higher in the sensory pathway can dampen the intensity of a stimulus. 
A)  intensity of stimulus required to generate a receptor potential. 
B)  intensity of stimulus required to generate an action potential. 
C)  convergence of information from multiple primary sensory neuron onto a single secondary neuron. 
D)  concept that neurons higher in the sensory pathway can dampen the intensity of a stimulus.

Question 15

A stimulus below the ________ will activate sensory neurons, but the signal will not reach the conscious brain because higher neurons dampen it.

Accepted Answer

perceptual

Question 16

The bones within the middle ear connect the

Accepted Answer

A)  tympanic membrane to the oval window. 
B)  tympanic membrane to the round window. 
C)  oval window to the round window. 
D)  cochlea to the tympanic membrane. 
E)  cochlea to the oval window. 
A)  tympanic membrane to the oval window. 
B)  tympanic membrane to the round window. 
C)  oval window to the round window. 
D)  cochlea to the tympanic membrane. 
E)  cochlea to the oval window.

Question 17

Gustatory cells that respond to sour via release of serotonin are called

Accepted Answer

A)  type I taste cells. 
B)  type II taste cells. 
C)  type III taste cells. 
D)  basal taste cells. 
A)  type I taste cells. 
B)  type II taste cells. 
C)  type III taste cells. 
D)  basal taste cells.

Question 18

Describe the action of aspirin and opiates in pain relief.What does your answer suggest about opiates?

Accepted Answer

Aspirin inhibits prostaglandins (anti-in

Question 19

Match the ganglion cell response to the location of the light stimulus.
-Diffuse light illuminates both center and surround of on-surround cell.

Accepted Answer

A) fully excited 
B) fully inhibited 
C) weak response 
A) fully excited 
B) fully inhibited 
C) weak response

Question 20

Match the stimulus to the type of receptor that typically responds to it.
-oxygen

Accepted Answer

A) chemoreceptor 
B) mechanoreceptor 
A) chemoreceptor 
B) mechanoreceptor

Exam 10: Sensory Physiology

Match the ganglion cell response to the location of the light stimulus. -Light only shines on the center of an off-center visual field.

Match the symptoms to the problem. -central hearing loss

Put these structures of the visual system in the order that they transmit light to the retina. 1)lens 2)aqueous humor 3)cornea 4)vitreous humor

Match the specific receptor to its typical stimulus. -temperature

Based on your knowledge of the structures of the eye and visual pathway, propose several possible causes for blindness.How does the disease glaucoma fit in this scheme?

With the photoreceptor already stimulated with a moderate light intensity, a(n)________ in light intensity is required to open more sodium channels.

The hair cells of utricle and saccule are clustered in

On a dark night, the rods have a high concentration of

Collateral pathways take vestibular receptor signals from the medulla to the

In addition to temperature, cold receptors respond to

Nociceptors activate ________ pathways that provide protection by allowing rapid responses to noxious stimuli.

"No brain, no pain" is a cute phrase, but is it True that a brain is required to feel pain? Explain.Brain surgery can be performed on awake patients with anesthesia only to the overlying tissues.Does this indicate that "no brain, no pain" is just a rhyme with no scientific basis? Explain.

The perception threshold describes the

A stimulus below the ________ will activate sensory neurons, but the signal will not reach the conscious brain because higher neurons dampen it.

The bones within the middle ear connect the

Gustatory cells that respond to sour via release of serotonin are called

Describe the action of aspirin and opiates in pain relief.What does your answer suggest about opiates?

Match the ganglion cell response to the location of the light stimulus. -Diffuse light illuminates both center and surround of on-surround cell.

Match the stimulus to the type of receptor that typically responds to it. -oxygen

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

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