Question 37
Question 37 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
11. Immunity
11.1. The immune system

explain what is meant by an antigen (see 4.1.3) and state the difference between self antigens and non-self antigens

11. Immunity
11.2. Antibodies and vaccination

explain that vaccines contain antigens that stimulate immune responses to provide long-term immunity