Nervous system 1 Flashcards
1
Q
in an electrical signal the resting membrane potential, what is inside
A
Na/CI
2
Q
in resting membrane potential what is inside
A
K
3
Q
in resting membrane potential what s the charge inside
A
negative
4
Q
in myelin sheath what does the node of Ranvier allow
A
faster transmission
5
Q
what does an action potential depolarise
A
axon terminal
6
Q
what does depolarisation open
A
voltage gated Ca channel
7
Q
noradrenaline biochem
A
tyrosine—>DOPA——->DA——->NA———-> amines
8
Q
acetylcholine biochem
A
choline——-> cholne——->CAT——–>Ach——> Ach receptors
9
Q
what does the midbrain impin
A
hearing/sight
10
Q
what does midbrain control
A
body movement
11
Q
degradation of neurones in the susbtania nigra in midbrain causes
A
parkinsons
12
Q
name the different lobes
A
frontal, parietal, occipital,temporal
