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Date November 2021 Marks available 1 Reference code 21N.1.SL.tz0.5
Level Standard Level Paper Paper 1 Time zone time zone 0
Command term Question number 5 Adapted from N/A

Question

What is total lung capacity?

A. The volume of air in the lungs after a maximum inhalation

B. The maximum volume of air that can be exhaled after a maximum inhalation

C. The volume of air in excess of tidal volume that can be exhaled forcibly

D. The volume of air still contained in the lungs after a maximal exhalation

Markscheme

A

Examiners report

An easy question for most students. This question had a good discrimination index with option B being the main distractor which is the definition for vital capacity.

Syllabus sections

Topic 2: Exercise physiology » 2.1. Structure and function of the ventilatory system » 2.1.3. Define the terms pulmonary ventilation, total lung capacity (TLC), vital capacity (VC), tidal volume (TV), expiratory reserve volume (ERV), inspiratory reserve volume (IRV) and residual volume (RV).
Topic 2: Exercise physiology » 2.1. Structure and function of the ventilatory system
Topic 2: Exercise physiology

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