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Date May 2017 Marks available 1 Reference code 17M.1.HL.TZ2.35
Level Higher level Paper Paper 1 Time zone Time zone 2
Command term Question number 35 Adapted from N/A

Question

What is essential for conduction of nerve impulses to be saltatory?

A. Wrapping of myelin around the axon

B. Reaching the threshold potential in dendrites

C. Pumping potassium ions into the neuron

D. Releasing a neurotransmitter at the synapse

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Core » Topic 6: Human physiology » 6.5 Neurons and synapses
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