Neurotransmission

Question 0

Dopamine is implicated in …

Answer 0

Parkinson’s disease and schizophrenia

Question 1

Place the stages of neurotransmission in the correct order …

Answer 1

1 = action potential arrives at synapse
2 = calcium ions flow into neurone
3 = neurotransmitter vesicles fuse with presynaptic membrane
4 = neurotransmitter is discharged into synaptic cleft
5 = neurotransmitter diffuses across synaptic cleft
6 = neurotransmitter binds to post synaptic membrane
7 = neurotransmitter excites or inhibits the post synaptic membrane

Question 2

Identify the neurotransmitter implicated in anxiety states …

Answer 2

Gamma amino butyric acid

Question 3

The cell membrane pump responsible for maintaining the concentration gradient for major electrolytes involved in cell excitability is known as the …

Answer 3

Sodium potassium pump

Question 4

The connection between neurones is known as the …

Answer 4

Synapse

Question 5

The majority of myelin is found in the …

Answer 5

White matter

Question 6

The majority of synapses in the central nervous system are located in the …

Answer 6

Grey matter

Question 7

The region of the brain involved in many basic biological drives (motivations) is known as the …

Answer 7

Limbic system

Question 8

Which of the following are excitable tissue:

Nerve, blood, bone, liver, skeletal muscle

Answer 8

Nerve and skeletal muscle

Question 9

Which if the following is not a neurotransmitter:

Noradrenaline, acetylcholine, glucagon, dopamine, gamma amino butyric acid

Answer 9

Glucagon