Question 1

Match the structures to the function of the parts of the vestibular system using the following words/phrases:
-_______________________ saccules

Accepted Answer

A)  vertical acceleration 
B)  forward head tilt 
C)  head rotation. 
A)  vertical acceleration 
B)  forward head tilt 
C)  head rotation.

Question 2

Which of the following is NOT true regarding gustation?

Accepted Answer

A)  There are several hundred different fundamental taste sensation recognized by taste receptors. 
B)  Taste buds contain 50-150 taste cells. 
C)  Molecular taste receptors are found in the tongue and in tissues such as the stomach and respiratory tract. 
D)  The tastes of sweet, bitter, and umami are mediated by G-protein coupled receptors. 
A)  There are several hundred different fundamental taste sensation recognized by taste receptors. 
B)  Taste buds contain 50-150 taste cells. 
C)  Molecular taste receptors are found in the tongue and in tissues such as the stomach and respiratory tract. 
D)  The tastes of sweet, bitter, and umami are mediated by G-protein coupled receptors.

Question 3

Compare and contrast the sensory cells that permit the detection of sound vs. the sensory cells the detect head movement and acceleration. In your answer, discuss where the cells are located and the structures associated with each that facilitate their functions.

Accepted Answer

The sensory cells that permit the detect

Question 4

Analyze Figure 7.6, In the text What can be concluded from these data?

Accepted Answer

A)  C fibers respond to dull pain and noxious heat. 
B)  There are two groups of myelinated sensory nerve fibers that differ in size. 
C)  There are two groups of sensory nerve fibers that differ in myelination. 
D)  All of the above can be concluded from these data. 
A)  C fibers respond to dull pain and noxious heat. 
B)  There are two groups of myelinated sensory nerve fibers that differ in size. 
C)  There are two groups of sensory nerve fibers that differ in myelination. 
D)  All of the above can be concluded from these data.

Question 5

Which of the following is true of Meissner's corpuscles?

Accepted Answer

A)  Meissner's corpuscles are located in the deepest layers of the dermis. 
B)  Lamellar cells must be present in order for mechanosensory axons to detect mechanical stimuli. 
C)  Lamellar cells are similar to Merkel cells in that they communicate with mechanosensory axons via glutamatergic synapses. 
D)  Merkel cells respond to low frequency vibration and rapidly adapt to stimuli. 
E)  all of the above are true statements. 
A)  Meissner's corpuscles are located in the deepest layers of the dermis. 
B)  Lamellar cells must be present in order for mechanosensory axons to detect mechanical stimuli. 
C)  Lamellar cells are similar to Merkel cells in that they communicate with mechanosensory axons via glutamatergic synapses. 
D)  Merkel cells respond to low frequency vibration and rapidly adapt to stimuli. 
E)  all of the above are true statements.

Question 6

Compare and contrast molecular receptors expressed on sensory neurons. Opioid receptors are most similar to which other type of molecular receptor?

Accepted Answer

A)  sodium channels in nociceptive neurons 
B)  TRP channels in thermosensitive neurons 
C)  odorant receptors in olfactory neurons 
D)  potassium channels in mechanosensory neurons 
A)  sodium channels in nociceptive neurons 
B)  TRP channels in thermosensitive neurons 
C)  odorant receptors in olfactory neurons 
D)  potassium channels in mechanosensory neurons

Question 7

Match the structures to the function of the parts of the vestibular system using the following words/phrases:
-_______________________ utricles

Accepted Answer

A)  vertical acceleration 
B)  forward head tilt 
C)  head rotation. 
A)  vertical acceleration 
B)  forward head tilt 
C)  head rotation.

Question 8

The name of the sense responsible for determining the position and movements of your body parts relative to each other is known as _________________________.

Accepted Answer

The answer of The name of the sense responsible for...

Question 9

Which of the following is NOT true of neurogenic inflammation?

Accepted Answer

A)  it is blocked by lidocaine 
B)  it leads to release of Substance P and CGRP, which increase blood flow to the affected region 
C)  it promotes the release of histamine in the affected area, leading to swelling 
D)  it describes inflammation that occurs to injured neurons 
A)  it is blocked by lidocaine 
B)  it leads to release of Substance P and CGRP, which increase blood flow to the affected region 
C)  it promotes the release of histamine in the affected area, leading to swelling 
D)  it describes inflammation that occurs to injured neurons

Question 10

A patient is in a severe car accident and suffers damage to the spinal cord. They no longer experience pain in their left leg, but their ability to feel touch and vibration in the left leg remains normal. Which side of the spinal cord was affected by injury?

Accepted Answer

A)  left 
B)  right 
C)  both 
A)  left 
B)  right 
C)  both

Question 11

Match the tastant with its role in gustation.
-________ helps to detect when a food contains carbohydrates

Accepted Answer

A)  acid 
B)  bitter 
C) umami 
D) sweet. 
A)  acid 
B)  bitter 
C) umami 
D) sweet.

Question 12

In certain amusement park rides, individuals are seated in front of a screen and their seats rock, move up and down, and tilt to simulate the types of stimuli they would be experiencing while on a boat, spaceship, or other vehicle. Using your knowledge of the vestibular system, construct an argument that if such a simulation were perfectly designed, a viewer could be completely fooled into believing they were actually moving through space. Be sure to justify your answer with specific reference to the structural features of the utricle, saccule, and semicircular canals.

Accepted Answer

The vestibular system is responsible for

Question 13

It is sometimes said that humans have 5 senses. Based on your reading of chapters 6 and 7, do you believe this is the case? Propose a definition of what constitutes a "sense" and give a rough estimate of how many senses humans possess. Note that there is not a correct answer for this number-just be sure to justify your response.

Accepted Answer

Based on my reading of chapters 6 and 7,

Question 14

You are a scientist studying the impact of a drug on conduction velocity. You find that you are unable to identify any axons that conduct action potentials faster than 70 m/s. You conclude that the drug likely has a negative effect on which type of neurons?

Accepted Answer

A)  A-alpha fibers 
B)  A-beta fibers 
C)  A-gamma fibers 
D)  A-delta fibers 
E)  C-fibers 
A)  A-alpha fibers 
B)  A-beta fibers 
C)  A-gamma fibers 
D)  A-delta fibers 
E)  C-fibers

Question 15

Analzye Figure 7.14. In the text What can you conclude from these data?

Accepted Answer

A)  T1R3 is necessary for the detection of umami 
B)  T1R2 is necessary for the detection of sweet 
C)  T1R3 is necessary for the detection of both umami and sweet 
D)  all of the above can be concluded from these data 
A)  T1R3 is necessary for the detection of umami 
B)  T1R2 is necessary for the detection of sweet 
C)  T1R3 is necessary for the detection of both umami and sweet 
D)  all of the above can be concluded from these data

Question 16

Match the tastant with its role in gustation.
-________ helps to detect potentially harmful compounds

Accepted Answer

A)  acid 
B)  bitter 
C) umami 
D) sweet. 
A)  acid 
B)  bitter 
C) umami 
D) sweet.

Question 17

Medications that reduce pain are known as __________________.

Accepted Answer

The answer of Medications that reduce pain are known as...

Question 18

A patient presents to the clinic with a severe, belt-like rash that is confined to a single area and has clearly-defined borders. Given the information presented in this chapter, the most likely explanation is __________________.
a) shingles
b) Brown-Sequard syndrome
c) a demyelinating disease that primary affects A-delta fibers
d) none of the above

Accepted Answer

A patient presenting with a severe, belt

Question 19

ATP is a molecule that is used widely in cells as a readily-available energy source. However this chapter describes several other functions of ATP. Outline several roles for ATP other than energy storage that are described in this chapter.

Accepted Answer

In addition to being a readily-available

Question 20

The portion of the body's surface that is served by each touch sensor is defined as that sensor's ________________________.

Accepted Answer

The answer of The portion of the body's surface that...

Match the structures to the function of the parts of the vestibular system using the following words/phrases: -_______________________ saccules

Which of the following is NOT true regarding gustation?

Compare and contrast the sensory cells that permit the detection of sound vs. the sensory cells the detect head movement and acceleration. In your answer, discuss where the cells are located and the structures associated with each that facilitate their functions.

Analyze Figure 7.6, In the text What can be concluded from these data?

Which of the following is true of Meissner's corpuscles?

Compare and contrast molecular receptors expressed on sensory neurons. Opioid receptors are most similar to which other type of molecular receptor?

Match the structures to the function of the parts of the vestibular system using the following words/phrases: -_______________________ utricles

The name of the sense responsible for determining the position and movements of your body parts relative to each other is known as _________________________.

Which of the following is NOT true of neurogenic inflammation?

A patient is in a severe car accident and suffers damage to the spinal cord. They no longer experience pain in their left leg, but their ability to feel touch and vibration in the left leg remains normal. Which side of the spinal cord was affected by injury?

Match the tastant with its role in gustation. -________ helps to detect when a food contains carbohydrates

You are a scientist studying the impact of a drug on conduction velocity. You find that you are unable to identify any axons that conduct action potentials faster than 70 m/s. You conclude that the drug likely has a negative effect on which type of neurons?

Analzye Figure 7.14. In the text What can you conclude from these data?

Match the tastant with its role in gustation. -________ helps to detect potentially harmful compounds

Medications that reduce pain are known as __________________.

ATP is a molecule that is used widely in cells as a readily-available energy source. However this chapter describes several other functions of ATP. Outline several roles for ATP other than energy storage that are described in this chapter.

The portion of the body's surface that is served by each touch sensor is defined as that sensor's ________________________.

Nervous System Organization

Computing With Neurons

Neuronal Plasticity

Developing a Nervous System

Protecting and Maintaining the Adult Nervous System

Sensors I: Remote Sensing

Using Muscles and Glands

Regulating Vital Bodily Functions

Controlling Posture and Locomotion

Localizing Stimuli and Orienting in Space

Identifying Stimuli and Stimulus Objects

Regulating Brain States

Remembering Relationships

Selecting Actions, Pursuing Goals

Being Different From Others

Filters

Exam 7: Sensors II: Sensing on Contact

Match the structures to the function of the parts of the vestibular system using the following words/phrases: -_______________________ saccules

Which of the following is NOT true regarding gustation?

Compare and contrast the sensory cells that permit the detection of sound vs. the sensory cells the detect head movement and acceleration. In your answer, discuss where the cells are located and the structures associated with each that facilitate their functions.

Analyze Figure 7.6, In the text What can be concluded from these data?

Which of the following is true of Meissner's corpuscles?

Compare and contrast molecular receptors expressed on sensory neurons. Opioid receptors are most similar to which other type of molecular receptor?

Match the structures to the function of the parts of the vestibular system using the following words/phrases: -_______________________ utricles

The name of the sense responsible for determining the position and movements of your body parts relative to each other is known as _________________________.

Which of the following is NOT true of neurogenic inflammation?

A patient is in a severe car accident and suffers damage to the spinal cord. They no longer experience pain in their left leg, but their ability to feel touch and vibration in the left leg remains normal. Which side of the spinal cord was affected by injury?

Match the tastant with its role in gustation. -________ helps to detect when a food contains carbohydrates

You are a scientist studying the impact of a drug on conduction velocity. You find that you are unable to identify any axons that conduct action potentials faster than 70 m/s. You conclude that the drug likely has a negative effect on which type of neurons?

Analzye Figure 7.14. In the text What can you conclude from these data?

Match the tastant with its role in gustation. -________ helps to detect potentially harmful compounds

Medications that reduce pain are known as __________________.

ATP is a molecule that is used widely in cells as a readily-available energy source. However this chapter describes several other functions of ATP. Outline several roles for ATP other than energy storage that are described in this chapter.

The portion of the body's surface that is served by each touch sensor is defined as that sensor's ________________________.

Nervous System Organization

Computing With Neurons

Neuronal Plasticity

Developing a Nervous System

Protecting and Maintaining the Adult Nervous System

Sensors I: Remote Sensing

Using Muscles and Glands

Regulating Vital Bodily Functions

Controlling Posture and Locomotion

Localizing Stimuli and Orienting in Space

Identifying Stimuli and Stimulus Objects

Regulating Brain States

Remembering Relationships

Selecting Actions, Pursuing Goals

Being Different From Others

Filters