Question 1

SAI mechanoreceptors are ______.

Accepted Answer

A) fast-adapting receptors, with Meissner corpuscle endings and small receptive fields, densely packed near the surface of the skin 
B) fast-adapting receptors with Pacinian corpuscle endings and large receptive fields, more widely distributed, deeper in the skin 
C) the basic components of the innermost layer of the skin, which also houses touch receptors 
D) slow-adapting receptors using Merkel cells, with small receptive fields, densely packed near the surface of skin 
A) fast-adapting receptors, with Meissner corpuscle endings and small receptive fields, densely packed near the surface of the skin 
B) fast-adapting receptors with Pacinian corpuscle endings and large receptive fields, more widely distributed, deeper in the skin 
C) the basic components of the innermost layer of the skin, which also houses touch receptors 
D) slow-adapting receptors using Merkel cells, with small receptive fields, densely packed near the surface of skin D

Question 2

FAII mechanoreceptors are ______.

Accepted Answer

A) fast-adapting receptors with Pacinian corpuscle endings and large receptive fields, more widely distributed, deeper in the skin 
B) slow-adapting receptors using Merkel cells, with small receptive fields, densely packed near the surface of skin 
C) slow-adapting receptors using Ruffini endings, with large receptive fields, more widely distributed, deeper in the skin 
D) fast-adapting receptors, with Meissner corpuscle endings and small receptive fields, densely packed near the surface of the skin 
A) fast-adapting receptors with Pacinian corpuscle endings and large receptive fields, more widely distributed, deeper in the skin 
B) slow-adapting receptors using Merkel cells, with small receptive fields, densely packed near the surface of skin 
C) slow-adapting receptors using Ruffini endings, with large receptive fields, more widely distributed, deeper in the skin 
D) fast-adapting receptors, with Meissner corpuscle endings and small receptive fields, densely packed near the surface of the skin A

Question 3

The SAI and FAI receptors have relatively small receptive fields with densely packed receptors, resulting in ______.

Accepted Answer

A) high spatial resolution, allowing detection exactly where on the skin a stimulation occurs 
B) low sensitivity to direct pressure on the surface of the skin 
C) a marked decrease in sensitivity to fine motor movements 
D) low spatial resolution, creating a lack of sensation when the skin is stimulated repeatedly 
A) high spatial resolution, allowing detection exactly where on the skin a stimulation occurs 
B) low sensitivity to direct pressure on the surface of the skin 
C) a marked decrease in sensitivity to fine motor movements 
D) low spatial resolution, creating a lack of sensation when the skin is stimulated repeatedly A

Question 4

A model that allows for top-down control of the pain signal coming up the spinal cord is known as the ______ theory of pain.

Accepted Answer

A) endogenous 
B) lateral root 
C) gate control 
D) nociceptive 
A) endogenous 
B) lateral root 
C) gate control 
D) nociceptive

Question 5

When Wilder Penfield pioneered a technique of directly stimulating areas of the brain with an electrical probe and observing the behavior of the patient, he found that ______.

Accepted Answer

A) the brain itself contains a large number of nociceptors which override signals coming from within the skin 
B) when he stimulated regions of somatosensory cortex, the patients had tingling experiences in specific areas along the skin 
C) when he stimulated regions of posterior parietal cortex, the patients experienced pain, usually centered internally 
D) patient discomfort reached such high levels that he abandoned using this technique 
A) the brain itself contains a large number of nociceptors which override signals coming from within the skin 
B) when he stimulated regions of somatosensory cortex, the patients had tingling experiences in specific areas along the skin 
C) when he stimulated regions of posterior parietal cortex, the patients experienced pain, usually centered internally 
D) patient discomfort reached such high levels that he abandoned using this technique

Question 6

When we sit working at a desk, we know without looking where our legs, arms, and torso are.This perception of our body's position is known as ______.

Accepted Answer

A) proprioception 
B) chemoreception 
C) motoric perception 
D) limbic perception 
A) proprioception 
B) chemoreception 
C) motoric perception 
D) limbic perception

Question 7

Select all that apply.Tuberous receptors are ______.

Accepted Answer

A) able to generate an electric shock that would be fatal to humans 
B) usually tuned to receive high frequency AC current 
C) tuned by evolution to detect the fields generated by specific electric discharges by nearby fish 
D) the organ that contains the hair cells that detect electric fields, used in active electroreception 
A) able to generate an electric shock that would be fatal to humans 
B) usually tuned to receive high frequency AC current 
C) tuned by evolution to detect the fields generated by specific electric discharges by nearby fish 
D) the organ that contains the hair cells that detect electric fields, used in active electroreception

Question 8

Sig, waking with a mild asthma attack, reached into the cluttered pile of objects on his nightstand and grabbed his inhaler in the dark.Sig identified his inhaler through a process known as ______.

Accepted Answer

A) mechanoreception 
B) pruriception 
C) haptic perception 
D) multisensory integration 
A) mechanoreception 
B) pruriception 
C) haptic perception 
D) multisensory integration

Question 9

Think about accidentally dropping a hot iron on your bare arm.You get a searing pain, which is the result of the fast action of the ______.Later, you start to feel a dull throbbing, which is the result of ______.

Accepted Answer

A) G-fibers; warm fibers 
B) FAII mechanoreceptors 
C) A-delta fibers; C-fibers 
D) Merkel cells; D-alpha fibers 
A) G-fibers; warm fibers 
B) FAII mechanoreceptors 
C) A-delta fibers; C-fibers 
D) Merkel cells; D-alpha fibers

Question 10

How do pain and itch interact?

Accepted Answer

A) Itching acts as a substitute to distract people from real pain. 
B) Itching alerts people when pain is due to a serious cause. 
C) The sensation of pain leads to the sensation of itch. 
D) The sensation of pain inhibits the sensation of itch. 
A) Itching acts as a substitute to distract people from real pain. 
B) Itching alerts people when pain is due to a serious cause. 
C) The sensation of pain leads to the sensation of itch. 
D) The sensation of pain inhibits the sensation of itch.

Question 11

Jorge senses that his calf muscle is stretched out.His body detects this from joint receptors in his knee and ankle.

Accepted Answer

A) True 
 B)False

Question 12

An inability to identify objects by touch is known as ______.

Accepted Answer

A) haptic amnesia 
B) nociceptive aphasia 
C) tactile agnosia 
D) epidermal pigmentosa 
A) haptic amnesia 
B) nociceptive aphasia 
C) tactile agnosia 
D) epidermal pigmentosa

Question 13

The dorsal somatosensory system is associated with ______.

Accepted Answer

A) determining the "what" of an object from somatosensory input 
B) determining the "how" of temperature level from somatosensory input 
C) the "where" system, allowing the control of guided movements on the basis of input from the somatosensory system 
D) the "when" system, allowing the brain to perceive how much time has elapsed since the occurrence of an event 
A) determining the "what" of an object from somatosensory input 
B) determining the "how" of temperature level from somatosensory input 
C) the "where" system, allowing the control of guided movements on the basis of input from the somatosensory system 
D) the "when" system, allowing the brain to perceive how much time has elapsed since the occurrence of an event

Question 14

Receptors in our skin that respond to mild irritants by producing itch sensations are known as ______.

Accepted Answer

A) itch modules 
B) endemic nociceptors 
C) pruriceptors 
D) analgesics 
A) itch modules 
B) endemic nociceptors 
C) pruriceptors 
D) analgesics

Question 15

The pathway for the mechanoreceptors (tactile perception) and proprioceptors (muscle position) that travels up the spinal column on the ipsilateral side and crosses to the contralateral side in the medulla is known as the ______.

Accepted Answer

A) spinothalamic tract 
B) B-fiber tract 
C) dorsal column-medial lemniscal pathway 
D) ventral column-anterior spiral pathway 
A) spinothalamic tract 
B) B-fiber tract 
C) dorsal column-medial lemniscal pathway 
D) ventral column-anterior spiral pathway

Question 16

FAII mechanoreceptors are fast-adapting receptors with Pacinian corpuscle endings and large receptive fields, more widely distributed and deeper in the skin.

Accepted Answer

A) True 
 B)False

Question 17

A fish that is able to generate its own electric fields and then detect disturbances or changes to those electric field caused by external events is using ______.

Accepted Answer

A) biosonic reception 
B) active electroreception 
C) passive electroreception 
D) amperic perception 
A) biosonic reception 
B) active electroreception 
C) passive electroreception 
D) amperic perception

Question 18

Gate control theory is a model that allows for top-down control of the pain signal coming up the spinal cord.

Accepted Answer

A) True 
 B)False

Question 19

Alan injures his back severely.When he goes to the doctor, the doctor gives him a choice as to whether he thinks he needs an opioid drug.Briefly describe the benefits and risks Alan faces if gets this prescription.

Accepted Answer

Answers will vary. A sample answer follo

Question 20

A marathon runner is nearing the end of a race when her body starts to produce endogenous opioids.These chemicals will ______.

Accepted Answer

A) generate muscle spasms 
B) reduce fatigue and pain 
C) induce vomiting 
D) cause shortness of breath 
A) generate muscle spasms 
B) reduce fatigue and pain 
C) induce vomiting 
D) cause shortness of breath

SAI mechanoreceptors are ______.

FAII mechanoreceptors are ______.

The SAI and FAI receptors have relatively small receptive fields with densely packed receptors, resulting in ______.

A model that allows for top-down control of the pain signal coming up the spinal cord is known as the ______ theory of pain.

When Wilder Penfield pioneered a technique of directly stimulating areas of the brain with an electrical probe and observing the behavior of the patient, he found that ______.

When we sit working at a desk, we know without looking where our legs, arms, and torso are.This perception of our body's position is known as ______.

Select all that apply.Tuberous receptors are ______.

Sig, waking with a mild asthma attack, reached into the cluttered pile of objects on his nightstand and grabbed his inhaler in the dark.Sig identified his inhaler through a process known as ______.

Think about accidentally dropping a hot iron on your bare arm.You get a searing pain, which is the result of the fast action of the .Later, you start to feel a dull throbbing, which is the result of .

How do pain and itch interact?

Jorge senses that his calf muscle is stretched out.His body detects this from joint receptors in his knee and ankle.

An inability to identify objects by touch is known as ______.

The dorsal somatosensory system is associated with ______.

Receptors in our skin that respond to mild irritants by producing itch sensations are known as ______.

The pathway for the mechanoreceptors (tactile perception) and proprioceptors (muscle position) that travels up the spinal column on the ipsilateral side and crosses to the contralateral side in the medulla is known as the ______.

FAII mechanoreceptors are fast-adapting receptors with Pacinian corpuscle endings and large receptive fields, more widely distributed and deeper in the skin.

A fish that is able to generate its own electric fields and then detect disturbances or changes to those electric field caused by external events is using ______.

Gate control theory is a model that allows for top-down control of the pain signal coming up the spinal cord.

Alan injures his back severely.When he goes to the doctor, the doctor gives him a choice as to whether he thinks he needs an opioid drug.Briefly describe the benefits and risks Alan faces if gets this prescription.

A marathon runner is nearing the end of a race when her body starts to produce endogenous opioids.These chemicals will ______.

What Is Perception

Research Methodology

Visual System: The Eye

Visual System: The Brain

Object Perception

Color Perception

Depth and Size Perception

Movement and Action

Visual Attention

The Auditory System

The Auditory Brain and Sound Localization

Speech Perception

Music Perception

Olfaction and Taste

Filters

Exam 14: Touch and Pain

SAI mechanoreceptors are ______.

FAII mechanoreceptors are ______.

The SAI and FAI receptors have relatively small receptive fields with densely packed receptors, resulting in ______.

A model that allows for top-down control of the pain signal coming up the spinal cord is known as the ______ theory of pain.

When Wilder Penfield pioneered a technique of directly stimulating areas of the brain with an electrical probe and observing the behavior of the patient, he found that ______.

When we sit working at a desk, we know without looking where our legs, arms, and torso are.This perception of our body's position is known as ______.

Select all that apply.Tuberous receptors are ______.

Sig, waking with a mild asthma attack, reached into the cluttered pile of objects on his nightstand and grabbed his inhaler in the dark.Sig identified his inhaler through a process known as ______.

Think about accidentally dropping a hot iron on your bare arm.You get a searing pain, which is the result of the fast action of the ______.Later, you start to feel a dull throbbing, which is the result of ______.

How do pain and itch interact?

Jorge senses that his calf muscle is stretched out.His body detects this from joint receptors in his knee and ankle.

An inability to identify objects by touch is known as ______.

The dorsal somatosensory system is associated with ______.

Receptors in our skin that respond to mild irritants by producing itch sensations are known as ______.

The pathway for the mechanoreceptors (tactile perception) and proprioceptors (muscle position) that travels up the spinal column on the ipsilateral side and crosses to the contralateral side in the medulla is known as the ______.

FAII mechanoreceptors are fast-adapting receptors with Pacinian corpuscle endings and large receptive fields, more widely distributed and deeper in the skin.

A fish that is able to generate its own electric fields and then detect disturbances or changes to those electric field caused by external events is using ______.

Gate control theory is a model that allows for top-down control of the pain signal coming up the spinal cord.

Alan injures his back severely.When he goes to the doctor, the doctor gives him a choice as to whether he thinks he needs an opioid drug.Briefly describe the benefits and risks Alan faces if gets this prescription.

A marathon runner is nearing the end of a race when her body starts to produce endogenous opioids.These chemicals will ______.

What Is Perception

Research Methodology

Visual System: The Eye

Visual System: The Brain

Object Perception

Color Perception

Depth and Size Perception

Movement and Action

Visual Attention

The Auditory System

The Auditory Brain and Sound Localization

Speech Perception

Music Perception

Olfaction and Taste

Filters

Think about accidentally dropping a hot iron on your bare arm.You get a searing pain, which is the result of the fast action of the .Later, you start to feel a dull throbbing, which is the result of .