Question 23
Question 23 of 40

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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct

Topics Tested

Describe the control of blood glucose concentration by the liver and pancreas and the roles of insulin and glucagon

Understand the role of the hormone adrenaline, produced by the adrenal glands, in increasing the blood glucose concentration and heart rate and give examples of situations in which these may occur

Describe the events at a synapse: (a) an impulse stimulates the release of neurotransmitter molecules from vesicles into the synaptic gap (b) the neurotransmitter molecules diffuse across the gap and bind with receptor proteins (c) an impulse is stimulated in the next neurone