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Question 19M.3.SL.TZ2.18b

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.SL.TZ2.18b
Level SL Paper 3 Time zone TZ2
Command term State Question number b Adapted from N/A
b.
[Maximum mark: 1]
19M.3.SL.TZ2.18b
(b)

State the name of the valves that prevent blood flowing from the arteries back into the heart.

[1]

Markscheme

semilunar / sigmoid / pulmonary and aortic valve ✔

Examiners report

Most could name the semilunar valves.

Syllabus sections