Chapter 4 Pain
1. The impulses related to acute pain are usually transmitted by:
a. nociceptors.
b. myelinated A delta fibers.
c. unmyelinated C fibers.
d. any sensory fiber with a low pain threshold.
ANS: B REF: 55
2. In which structure do pain impulses ascend the spinal cord?
a. Reticular...
Chapter 4 Pain
1. The impulses related to acute pain are usually transmitted by:
a. nociceptors.
b. myelinated A delta fibers.
c. unmyelinated C fibers.
d. any sensory fiber with a low pain threshold.
ANS: B REF: 55
2. In which structure do pain impulses ascend the spinal cord?
a. Reticular formation
b. Corticospinal tract
c. Spinothalamic tract
d. Relevant dermatome
ANS: C REF: 55
3. According to the gatecontrol theory, passage of pain impulses may be naturally blocked:
,a. at the synapse by entry of other sensory impulses.
b. by the stress response.
c. by administration of morphine directly into the spinal cord.
d. by referring the pain to other parts of the body.
ANS: A REF: 55
4. What is the term used to describe the degree of pain that is endured before an individual takes
action?
a. Pain threshold
b. Referred pain
c. Phantom pain
d. Pain tolerance
ANS: D REF: 55
5. What is the definition of endorphins?
a. Neurotransmitters at the nociceptors
b. Transmitters for sensory impulses
,c. Opiatelike blocking agents in the central nervous system
d. Paincausing chemical mediators
ANS: C REF: 57
6. Pain perceived in the left arm during the course of a heart attack is an example of:
a. referred pain.
b. phantom pain.
c. chronic pain.
d. subjective pain response.
ANS: A REF: 57
7. A headache that is related to changes in cerebral blood flow is classified as a/an ________
headache.
a. tension
b. sinus
c. migraine
d. intracranial
, ANS: C REF: 60
8. What is a common analgesic administered to control a moderate level of pain?
a. Meperidine
b. Acetaminophen
c. Codeine
d. Ibuprofen
ANS: C REF: 62
9. Which of the following applies to spinal anesthesia?
a. It causes analgesia with loss of consciousness.
b. The drug is injected into cerebrospinal fluid (CSF) or the epidural space of the spinal cord.
c. The drug stimulates release of endorphins in the spinal cord.
d. The transmission of pain impulses is blocked in a small area of the body.
ANS: B REF: 62
10. Which of the following is a characteristic of acute pain but not of chronic pain?
a. Depression and debilitation
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