Brain Bee Chapter 13 - Jacey Flashcards

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1
Q

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

A

immune privileged organ

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2
Q

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

A

because it was not affected by immune responses are inflammation

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3
Q

what is our first line of defence against vicious defenders?

A

immune system

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4
Q

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

A

leucocytes, macrophages and acute phase proteins

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5
Q

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

A

infected

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6
Q

c-fibres communicate which feeling?

A

pain

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7
Q

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

A

vagus nerve

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8
Q

how are prostaglandins inhibited?

A

aspirins

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9
Q

cytokines are a group of…

A

proteins

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10
Q

what is the trigger for cytokine?

A

bacterial or viral

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

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11
Q

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

A

immune

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12
Q

name a main stress response in the brain

A

increased CRF production

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13
Q
CRF travels the short distance from the \_\_\_\_\_\_\_\_\_\_\_ to the pituitary gland to release another hormone, adrenocotrophin
releasing factor (ACTH).
A

hypothalamus

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14
Q

Recent research has shown that many of the defence

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

A

multiple sclerosis, stroke, Alzheimer’s.

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