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Question 18M.3.HL.TZ1.2b

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.HL.TZ1.2b
Level HL Paper 3 Time zone TZ1
Command term Calculate Question number b Adapted from N/A
b.
[Maximum mark: 2]
18M.3.HL.TZ1.2b

The graph shows the ventilation rate and tidal volume of a well-trained runner during exercise on a treadmill. The tidal volume is the volume of air being moved in and out of the lungs in each breath.

(b)

Calculate the total volume of air inhaled during one minute during the highest velocity of the treadmill in this test, giving the units.

[2]

Markscheme

a. tidal volume x ventilation rate
OR
litres breath-1 × breath min-1 

b. 186 L (min-1)

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