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Date May 2017 Marks available 1 Reference code 17M.1.SL.TZ2.25
Level Standard level Paper Paper 1 Time zone Time zone 2
Command term Question number 25 Adapted from N/A

Question

What is a feature of the left atrium?

A. Epinephrine decreases its rate of contraction.

B. It contracts as the left ventricle contracts.

C. It receives blood from the left pulmonary artery.

D. Its pressure decreases as the left ventricle fills up.

Markscheme

D

Examiners report

[N/A]

Syllabus sections

Core » Topic 6: Human physiology » 6.2 The blood system
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