Nervous System- Revision

Question 1

Izzy feels dizzy and she faints. Which phase is this/

Answer 1

alarm reaction

Question 2

What happens to the immune system in the stage of resistance?

Answer 2

immune system is weakened due to prolonged exposure of cortisol

Question 3

Which 3 neurotransmitters are involved in Parkinson’s Disease?

Answer 3

dopamine, GABA, acetylcholine

Question 4

Parkinsons Disease is characterised most by what?

Answer 4

the deterioration of dopamine

Question 5

If the neurotransmitter acetylcholine facilitates muscle mct, what might occur if neurons producing acethychoine are damaged?

Answer 5

muscles will be damamged hence a person will experience difficulty with movement

Question 6

name 2 function of the spinal cord

Answer 6

1. to initiate muscle movment

2. to connect the brain and peripheral nervous system

Question 7

sensory and motor pathyways carry info to the

Answer 7

CNS

Question 8

The PNS transmits info between the ___ and ___

Answer 8

spinal cord + muscles,organs and glands

Question 9

A major function of the Somatic NS is to

Answer 9

transmit sensory info to the CNS and motor infro from the CNS

Question 10

Why can someone stay alive for prolonged time without life support after severe brain damage? (refer to ANS)

Answer 10

1. heart beat and breathing is regulated by ANS without concious awareness
2. ANS is mostly self regulating system which maintains activity of vital bodily organs regardless of conciousness

Question 11

Which NS is Parkinsons Disease involved with?

Answer 11

CNS