Question 16
Question 16 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
9. Gas exchange
9.1. The gas exchange system

describe the functions of ciliated epithelial cells, goblet cells and mucous glands in maintaining the health of the gas exchange system

11. Immunity
11.1. The immune system

describe the mode of action of phagocytes (macrophages and neutrophils)

8. Transport in mammals
8.2. Transport of oxygen and carbon...

explain the importance of the oxygen dissociation curve at partial pressures of oxygen in the lungs and in respiring tissues