Intro to pain Flashcards

1
Q

Does nociception travel ipsilaterally or contralaterally up the spinal cord

A

Contralaterally

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2
Q

What is the function of the dorsal horn

A

Sensory

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3
Q

What is the function of the ventral horn

A

Motor

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4
Q

Describe the spinothalamic ascending pathway in pain

A

Discriminative aspect of nociception - fast pain

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5
Q

Describe the spinoreticular ascending pathway in pain

A

Responsible for arousal and affective (unpleasantness) aspects - dull pain

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6
Q

What ascending pathway transmits fast pain

A

Spinothalamic

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7
Q

What ascending pathway transmits dull pain

A

Spinoreticular

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8
Q

What opiate receptors exist

A

mu, delta, kamma

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9
Q

What is the PAG

A

Periaqueductal gray, rich in opiod receptors

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10
Q

What is the gate control theory of pain

A

There is a gate preventing excitation of ascending to the brain, when opened more pain is felt.

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11
Q

What are the three components of pain

A

Sensory-discriminative (intensity, location, duration)

Affective-motivational (unpleasantness + desire to escape it)

Cognitive component (judgement, beliefs, memory)

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