Overall Week 4 Flashcards
1
Q
In general, what does the nervous system do?
A
- responds rapidly to changes
- uses electrical and chemical transmission of impulses
- helps maintain homeostasis
- integrates and interprets sensory information
2
Q
The two cerebral hemispheres are separated by the:
A
Longitudinal fissure
3
Q
What structure contains many blood vessels and adheres tightly to the surface of the brain?
A
Pia mater
4
Q
The period during an action potential when potassium ions leave the axon is known as:
A
Repolarisation
5
Q
Grey matter is made up of:
A
Unmyelinated fibres
6
Q
What does the sodium potassium pump do?
A
- uses ATP to move ions from low concentration to high concentration
- good example of active transport
- moves potassium ions from inside cell to outside
- helps return the nerve fibre to resting membrane potential
7
Q
The visual cortex is located in the:
A
Occipital lobe
8
Q
What division of the autonomic nervous system is said to function during “fright and flight”?
A
Sympathetic
9
Q
The respiratory rhythmicity centre is located in the:
A
Medulla Oblongatta
10
Q
What is a sign/symptom that will clearly show that a person has damaged the cerebellum?
A
He/she falls too often
