Question 1

The neospinothalamic tract transmits which of the following?

Accepted Answer

A)  Vibration sense
B)  Proprioceptive information
C)  Fast pain impulses
D)  Slow pain impulsesE) C) and D)
F) A) and D)

Question 2

Stimulation of which brain area can modulate the sensation of pain?

Accepted Answer

A)  Superior olivary complex
B)  Locus coeruleus
C)  Periaqueductal gray
D)  AmygdalaE) A) and C)
F) All of the above C

Question 3

The highest degree of pain localization comes from which of the following?

Accepted Answer

A)  Simultaneous stimulation of free nerve endings and tactile fibers
B)  Stimulation of free nerve endings by bradykinin
C)  Nerve fibers traveling to the thalamus by way of the paleospinothalamic tract
D)  Stimulation of type A fibersE) B) and C)
F) A) and D)

Question 4

Which of the following is paired correctly?

Accepted Answer

A)  Nucleus raphe magnus and -endorphin
B)  Periaqueductal gray and serotonin
C)  Enkephalin and presynaptic inhibition of type A fibers
D)  Intracranial headache and eye strainE) A) and D)
F) C) and D) C

Question 5

Which substance is responsible for activating pain receptors?

Accepted Answer

A)  Gamma-aminobutyric acid
B)  Serotonin
C)  Bradykinin
D)  Beta-endorphinE) A) and D)
F) C) and D)

Question 6

Referred pain results from an intermingling of pain fibers in which of the following structures?

Accepted Answer

A)  Anterolateral system
B)  Dorsal horn of spinal cord
C)  Midbrain periaqueductal gray
D)  Primary somatosensory cortex
E)  Ralph nucleiF) A) and E)
G) A) and C)

Question 7

Neurons located in which of the following areas release serotonin as their neurotransmitter?

Accepted Answer

A)  Periaqueductal gray area
B)  Interneurons of spinal cord
C)  Periventricular area
D)  Nucleus raphe magnusE) A) and B)
F) A) and D)

Question 8

Which of the following sensory modalities uses unmyelinated fibers to convey information to the central nervous system?

Accepted Answer

A)  Proprioception
B)  Vision
C)  Vibration
D)  PainE) B) and C)
F) All of the above

Question 9

All the following stimuli are likely to cause bowel pain except:

Accepted Answer

A)  Chemical irritation
B)  Cut with sharp knife
C)  Ischemia
D)  Overextension
E)  SpasmF) C) and D)
G) A) and E)

Question 10

Which of the following is true regarding the paleospinothalamic tract?

Accepted Answer

A)  Contains type A nerve fibers
B)  Terminates exclusively in the thalamus
C)  Transmits the "fast pain" sensation
D)  Terminates predominantly in the lower brain regionsE) B) and C)
F) C) and D) D

Question 11

Massaging the skin or application of an irritant to the skin can suppress the transmission of pain signals from the corresponding body area by suppressing the sensory fibers transmitting the pain signal. Which of the following best describes this phenomenon?

Accepted Answer

A)  Release of enkephalin from local neurons in the spinal cord
B)  Presynaptic and postsynaptic inhibition of type C fibers by serotonin
C)  Lateral inhibition of pain fibers by tactile fibers from adjacent skin areas
D)  Activation of periaqueductal gray neuronsE) B) and C)
F) A) and D)

Question 12

Which of the following is paired correctly?

Accepted Answer

A)  Dorsal column system: pain and temperature sensation
B)  Layers I and II of somatosensory cortex: incoming signals from the thalamus
C)  Free nerve ending: type C fiber
D)  Large representation on post central gyrus: the footE) B) and C)
F) A) and D)

Question 13

Slow pain (also called second pain)  often occurs after injury to the surface of the body. Slow pain depends neurologically on the existence of fast pain (also called first pain) .

Accepted Answer

A)  Both statements are correct
B)  Both statements are incorrect
C)  The first statement is correct; the second statement is not correct
D)  The first statement is not correct; the second statement is correctE) All of the above
F) None of the above

Question 14

Neurons involved with the endogenous analgesia system and cell bodies in the Raphe nucleus are most likely to secrete which of the following substances?

Accepted Answer

A)  Acetylcholine
B)  Enkephalin
C)  Glutamate
D)  Norepinephrine
E)  SerotoninF) B) and D)
G) B) and E)

Exam 49: Somatic Sensations: II Pain, Headache, and Thermal Sensations

The neospinothalamic tract transmits which of the following?

Correct Answer
verified

Stimulation of which brain area can modulate the sensation of pain?

Correct Answer
verified
C

The highest degree of pain localization comes from which of the following?

Correct Answer
verified

Which of the following is paired correctly?

Correct Answer
verified
C

Which substance is responsible for activating pain receptors?

Correct Answer
verified

Referred pain results from an intermingling of pain fibers in which of the following structures?

Correct Answer
verified

Neurons located in which of the following areas release serotonin as their neurotransmitter?

Correct Answer
verified

Which of the following sensory modalities uses unmyelinated fibers to convey information to the central nervous system?

Correct Answer
verified

All the following stimuli are likely to cause bowel pain except:

Correct Answer
verified

Which of the following is true regarding the paleospinothalamic tract?

Correct Answer
verified
D

Massaging the skin or application of an irritant to the skin can suppress the transmission of pain signals from the corresponding body area by suppressing the sensory fibers transmitting the pain signal. Which of the following best describes this phenomenon?

Correct Answer
verified

Which of the following is paired correctly?

Correct Answer
verified

Slow pain (also called second pain) often occurs after injury to the surface of the body. Slow pain depends neurologically on the existence of fast pain (also called first pain) .

Correct Answer
verified

Neurons involved with the endogenous analgesia system and cell bodies in the Raphe nucleus are most likely to secrete which of the following substances?

Correct Answer
verified

Exam 49: Somatic Sensations: II Pain, Headache, and Thermal Sensations

The neospinothalamic tract transmits which of the following?

Correct AnswerverifiedShow Answer

Stimulation of which brain area can modulate the sensation of pain?

Correct AnswerverifiedC

The highest degree of pain localization comes from which of the following?

Correct AnswerverifiedShow Answer

Which of the following is paired correctly?

Correct AnswerverifiedC

Which substance is responsible for activating pain receptors?

Correct AnswerverifiedShow Answer

Referred pain results from an intermingling of pain fibers in which of the following structures?

Correct AnswerverifiedShow Answer

Neurons located in which of the following areas release serotonin as their neurotransmitter?

Correct AnswerverifiedShow Answer

Which of the following sensory modalities uses unmyelinated fibers to convey information to the central nervous system?

Correct AnswerverifiedShow Answer

All the following stimuli are likely to cause bowel pain except:

Correct AnswerverifiedShow Answer

Which of the following is true regarding the paleospinothalamic tract?

Correct AnswerverifiedD

Massaging the skin or application of an irritant to the skin can suppress the transmission of pain signals from the corresponding body area by suppressing the sensory fibers transmitting the pain signal. Which of the following best describes this phenomenon?

Correct AnswerverifiedShow Answer

Which of the following is paired correctly?

Correct AnswerverifiedShow Answer

Slow pain (also called second pain) often occurs after injury to the surface of the body. Slow pain depends neurologically on the existence of fast pain (also called first pain) .

Correct AnswerverifiedShow Answer

Neurons involved with the endogenous analgesia system and cell bodies in the Raphe nucleus are most likely to secrete which of the following substances?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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C

Correct Answer
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Correct Answer
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C

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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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D

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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