NU 325- Exam 4 Questions and Correct
Answers/ Latest Update / Already Graded
Nociceptive pain (NP)
Ans: o specialized nerve endings located in the cutaneous and
deep musculoskeletal tissue that detect painful stimuli from the
periphery and communicate this information to the CNS
o Nociceptors carry pain signal to the CNS by two primary
sensory (afferent) fibers: Aδ and C fibers
o NP starts outside of the nervous system from actual or
potential tissue damage. It has 4 phases.
Know the 4 phases of Nociception
Ans: o Transduction
o Transmission
o Perception
o Modulation
Transduction
Ans: noxious stimulus takes place in periphery
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Transmission
Ans: pain impulse moves from spinal cord to brain
Perception
Ans: conscious awareness of painful sensation
Modulation
Ans: inhibition of pain message
neuropathic pain (NEP)
Ans: o results from an abnormal processing of the pain
message from an injury to nerve fibers
o Pain is described as: Constant dull ache, Burning, Stabbing,
Electric shock, Tingling
o Much more difficult to assess and treat
o Nociceptive pain can develop into Neuropathic pain if poorly
controlled
what can cause neuropathic pain
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Ans: diabetes mellitus, shingles (herpes zoster), HIV/AIDS,
sciatica, trigeminal neuralgia, phantom limb pain,
chemotherapy, stroke, multiple sclerosis, tumor
visceral pain
Ans: originates from larger internal organs (stomach, intestine,
gallbladder, pancreas); described as dull, deep, squeezing, or
cramping
pain impulses transmitted along the autonomic nervous system
(ANS)
deep somatic pain
Ans: comes from blood vessels, joints, tendons, muscles, bone;
may result from pressure, trauma, or ischemia
- pain feels aching or throbbing
cutaneous pain
Ans: derived from skin surface and subQ tissues
pain feels sharp, superficial, burning
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referred pain
Ans: pain felt in a site different from pain origin (pain is
referred to where the organ was located in fetal development)
(Ex. Appendix felt in umbilical region)
Acute pain
Ans: Short-term self limiting; often follows a predictable
trajectory and dissipates after an injury heals
-Serves as a protective measure
-Ceases after an injury heals
ex. surgery, trauma, kidney stones
Chronic (persistent) pain
Ans: Greater than 6 months
- malignant or non-malignant
Recognize nonverbal behaviors associated with pain
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