Pain

Question 1

nociceptive pain

Answer 1

• pain receptor activation

subtypes: somatic, deep, visceral

Question 2

how to categorize pain (two steps)

Answer 2

acute v chronic

nociceptive v neuropathic

Question 3

neuropathic pain

Answer 3

• damage to receptor or nerve pressure (SPECIFIC)
  spinal cord, CNS, nerve fibers

burning, tingling, numbness, electric
frequently unrecognized

Question 4

visceral pain classifications

Answer 4

localized, projected, referred, radiating

Question 5

fibers to spinal cord

Answer 5

A delta (quick)
C (diffuse)

Question 6

gate control theory of pain

Answer 6

A delta & C fibers
DORSAL HORNS of spinal cord (substantia gelatinosa)
inhibition or facilitation of T-CELLS (trigger cells)

OPEN gate - pain impulse to brain
CLOSED gate - impulses not transmitted
- A-alpha and A-beta close

similar gates in brain regulate thoughts and emotions

Question 7

opioid analgesics

Answer 7

• scheduled
• PRN
• PCA (patient controlled analgesia)