Question 5
Question 5 of 40
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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

4. Cell membranes and tra...
4.1. Fluid mosaic membranes

describe the roles of phospholipids, cholesterol, glycolipids, proteins and glycoproteins in cell surface membranes, with reference to stability, fluidity, permeability, transport (carrier proteins and channel proteins), cell signalling (cell surface receptors) and cell recognition (cell surface antigens – see 11.1.2)

11. Immunity
11.1. The immune system

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