Pain Preception

Question 1

Where is The sensations convoyed in conscius pathways received?

Answer 1

Postcentral gyrus✉️ of The parietal lobe.

Question 2

What modulates perception of pain?

Answer 2

Descending inhibition.

Question 3

What is amygdala associated with?

Answer 3

Fear and rage🙀😾

Question 4

What comes from Cingulate gyrus?

Answer 4

Emotional response.

Question 5

Thalamus is site of what?

Answer 5

3 order neurons.

Question 6

What is it Called When surrounding tissue is more sensitive to touch, hot and cold?

Answer 6

Hperaglesia.

Question 7

What do the inflammatory mediators CGRP and substance P activate?

Answer 7

Microglial cells and astrocytes ( which in turn produce further inflammatory mediators).

Question 8

1st order neuron changes what it synthesizes=?

Answer 8

Peripheral sensation

Question 9

Hyperhydrosis means?

Answer 9

More sweating

Question 10

What is complex regional pain syndrome (CRPS)?

Answer 10

Nerve injury (not completely cut)

Question 11

What is wallerian degeneration?

Answer 11

Peripheral nerve damage/compression.

-can recover:)

Question 12

A servere compression over a long periodnof time leads to?

Answer 12

Wallerian degeneration.

Question 13

Furting of a nerve leads to?

Answer 13

The connective tissue is also cut so regeneration will always be incomplete.

Question 14

Polyneuropathy=?

Answer 14

Diffuse symmetrical involvement of peripheral nerves.

Mononeuropaty= single involvement

Question 15

What is multiple mononeuropathy?

Answer 15

Many individual nerve fibers affected.

Question 16

Large nerve fibers are affected in ureamic neuropathy. When is small fibers affected??

Answer 16

In diabetic neuropathy.

Question 17

What happens ja if lover motor neurons die?

Answer 17

The target muscle innervated by those cells atrophies.

Question 18

What is not possible If a upper motor neuron cell body or its axon is damaged (as in a stroke).

Answer 18

Voluntary movement.

Question 19

What’s a motor neuron pool?

Answer 19

A group of motor neurons and their distal branches. That innervates a whole muscle.

Question 20

What happens to muscle whit upper motor neuron lesion?

Answer 20

It will have increased tone (spasticity)