Pathophysiology Of Pain

Question 1

Aẟ fibers inter the dorsal horn medially and synapse in laminae…… &…..

Answer 1

I & V

Question 2

C-fiber inter the dorsal horn laterally and
synapse in…… &……

Answer 2

II & III

Question 3

True or false
A delta fibers are myelinated.

Answer 3

True

Question 4

True or false
A delta fibers are characterised by rapid conduction

Answer 4

True

Question 5

True or false
C fibers have rapid conduction velocity

Answer 5

False

Question 6

True or false
C fibers are Responsible for poorly localized ,dull , burning-type pain

Answer 6

True

Question 7

True or false
Withdrawal reflex is initiated by C fibers

Answer 7

False
It’s initiated by Adelta fibers

Question 8

True or false
Type 1 Complex regional pain syndrome occurs after a minor fracture or
injury to a limp without direct
injury to a nerve

Answer 8

True

Question 9

In bone cancer pain, When bone is invaded by cancer cells, a release of inflammatory mediators such as……….. sensitizes the peripheral nociceptors

Answer 9

Prostaglandin E2

Question 10

A woman diagnosed with breast cancer comes to take drugs for her pain, which cytokines are secreted and help distinguish the sub types of breast cancer.

Answer 10

. TGF-B1 in all
. TNF- alpha in luminal A&B