Question 28
Question 28 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
15. Drugs
15.1. Drugs

Describe a drug as any substance taken into the body that modifies or affects chemical reactions in the body

14. Coordination and resp...
14.3. Hormones

Describe a hormone as a chemical substance, produced by a gland and carried by the blood, which alters the activity of one or more specific target organs

5. Enzymes
5.1. Enzymes

Describe a catalyst as a substance that increases the rate of a chemical reaction and is not changed by the reaction