Brain Bee Chapter 13 - Jacey

Question 1

just a few years ago, the brain was thought to be an:

Answer 1

immune privileged organ

Question 2

why was the brain thought to be a “immune privilege organ”?

Answer 2

because it was not affected by immune responses are inflammation

Question 3

what is our first line of defence against vicious defenders?

Answer 3

immune system

Question 4

the immune system triggers _______, _______ and ____ ____ ____ that travel do the site of attack, kill and remove pathogens.

Answer 4

leucocytes, macrophages and acute phase proteins

Question 5

the brain receives signals from injured or ________ tissues that may be neutral in origin

Answer 5

infected

Question 6

c-fibres communicate which feeling?

Answer 6

pain

Question 7

aside from c-fibres, what nerve in the liver communicates pain?

Answer 7

vagus nerve

Question 8

how are prostaglandins inhibited?

Answer 8

aspirins

Question 9

cytokines are a group of…

Answer 9

proteins

Question 10

what is the trigger for cytokine?

Answer 10

bacterial or viral

products, damage to cells or threats to cell survival such as toxins or low levels of oxygen

Question 11

cytokines are protein molecules with many actions, especially on the _______ system

Answer 11

immune

Question 12

name a main stress response in the brain

Answer 12

increased CRF production

Question 13

CRF travels the short distance from the \_\_\_\_\_\_\_\_\_\_\_ to the pituitary gland to release another hormone, adrenocotrophin
releasing factor (ACTH).

Answer 13

hypothalamus

Question 14

Recent research has shown that many of the defence

molecules such as cytokines are also active contributors to brain diseases such as…

Answer 14

multiple sclerosis, stroke, Alzheimer’s.