stress and pain Flashcards

1
Q

Physiological response to stress – limbic system

A

activates emotions

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2
Q

Physiological response to stress – cerebral cortex

A

conscious thoughts

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3
Q

Physiological response to stress – ADH

A

increases blood pressure

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4
Q

Physiological response to stress – aldosterone

A

increases blood pressure

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5
Q

Physiological response to stress – nor epi

A

decrease blood flow to organs and increases blood pressure

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6
Q

Physiological response to stress – epi

A
  1. increase heart rate
  2. increases blow to muscles AND brain,
  3. broncodilation, 4. increase blood sugar
  4. lipolysis (break up of fat)
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7
Q

Physiological response to stress – cortisol

A
  1. CSN stimulation (brain)
  2. protein break down
  3. increase blood sugar,
  4. decrease gastric secretions,
  5. decrease inflam.,
  6. decrease WBC
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8
Q

What is a stressor ?

A

any factor that creates a significant change in the body or environment

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9
Q

Stress

A

the bodys response to a stressor

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10
Q

What are the three stages of the stress response? and what occurs in the stages

A
  1. Alarm stage - identify the stressor, hypothalamus s activated
  2. Resistance stage - You reach a new hemostasis to formulate a new plan, what are you going to do
  3. Exhaustion - You are unable to mount a stress response, should only be acute
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11
Q

how to handle stress

A
  1. Do something you enjoy
  2. Meditation – 10 mins day proven to decrease cortisol
  3. Decrease sugar, increase protein, increase healthy fat intake because all of these counteract the stress response
  4. Execise – based on stage of stress response
  5. Sleep – time for protein builing, healing ,and brain shuts down
  6. Therapy – limbic system, helps to sort out emotions and change perspective
  7. Supplementation or medications
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12
Q

what is pain?

A

A warning signal from the body that injury has occurred or it is about to

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13
Q

what is pain threshold?

A

The level of stimulation required to activate the nerve endings enough so that they experience pain

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14
Q

what is somatic pain

A

Cutaneous tissue pain, and travels along the sensory nerve fibers to brain

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15
Q

what is visceral pain

A

Organ pain, travels along the SNS fibers which activate the stress response

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16
Q

what is neuropathic pain

A

Nerve pain, feels like “hot and wet”

17
Q

what is referred pain

A

Visceral that is felt like somatic pain and is caused by the two types of fibers meeting at the same place in the spinal cord and the brain doesn’t recongize the difference

18
Q

Once pain signal reachs the brain it goes through a varity of areas each with different functions, what are the areas? And what are their functions?

A
  1. Reticular formation – it is the brain stem, and the brain has an awareness that pain exists
  2. Thalamus – mail room, and is the sorting region of the brain
  3. Somatosensory cortex – locates and perceives pain and the quality of the pain
  4. Hypothalamus – stress response
  5. Limbic system
19
Q

what is phantom pain

A

Usually occurs in those who have had an amputation, and feels like ichy.

20
Q

pain control for mild pain

A
  1. ASA – decreases pain at perpherial site
  2. Acetaminophen – antipyretic
  3. NSAIDS- asa and nsaids are anti-inflammatory
21
Q

pain control for moderate pain

A
  1. Codeine
  2. Oxycodone
  3. Percocet
  4. Vicodin ALL OF WHICH act on the CNS and affect perception
22
Q

pain control for severe pain

A
  1. Morphine
  2. Demerol
  3. Methodome
  4. Meperidine
  5. Oxycodone ALL OF WHICH act on the CNS; euphoria, and sedation
23
Q

local anesthesia

A

It blocks the sensory nerve conduction peripherally. * blocks NA K pump, so no action potential can occur

24
Q

general anesthesia

A

Works on the reticular formation in the brain to shut it down completely

25
Q

spinal anesthesia

A

It is local anesthesia injected into the subarachnoid or epidural space of the lower spinal cord which blocks nerve conduction below level of injection