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Question 17N.1.HL.TZ0.24

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.1.HL.TZ0.24
Level HL Paper 1 Time zone TZ0
Command term Identify Question number 24 Adapted from N/A
24.
[Maximum mark: 1]
17N.1.HL.TZ0.24

What happens when an action potential reaches motor end plates?

A. Calcium ions are absorbed by the muscle fibres.

B. The sarcomeres relax.

C. Neurotransmitter is released.

D. Action potential is passed to the neuron.

[1]

Markscheme

C

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