Perception Of Pain

Question 0

What is the pain threshold?

Answer 0

Stimulus intensity where pain is first sensed by the brain

Question 1

What is the function of pain perception?

Answer 1

Warns of actual or impending tissue damage

Question 2

What do the stimuli including for Pain Threshold?

Answer 2

• Extreme pressure & temperature

- inflammatory chemicals

Question 3

What are the most potent inflammatory chemicals?

Answer 3

Potassium, ATP, acids & bradykinin

Question 4

Pain Threshold impulses travel on fibers that release what?

Answer 4

Neurotransmitters:

• glutamate
  - substance P

Question 5

What is Pain Tolerance?

Answer 5

Individual
&
Highly Variable

Question 6

What is Pain Modulation?

Answer 6

Blocked by inhibitory endogenous opioids (endorphins & enkephalins)

Question 7

What are the 2 types of pain management?

Answer 7

1. Chronic pain: can occur secondary to intense or prolonged pain.
2. Phantom Limb Syndrome:

Question 8

What is referred pain?

Answer 8

• Pain stimuli arising from the viscera are perceived as somatic in origin
• Visceral pain afferent a travel along the same pathways as somatic pain fibers