A-LevelBiologyGas exchange9700/12 · May/June 2020 · Q341 Mark
Which statements about chronic obstructive pulmonary disease (COPD) are correct? 1 The disease can often be reversed by treatment. 2 The patient's symptoms normally do not change. 3 The patient is normally over 30 years old. 4 The patient coughs frequently, producing a lot of mucus.
A1, 2 and 3
B1, 2 and 4
C1, 3 and 4
D2, 3 and 4
✓ Correct answer
D: 2, 3 and 4
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