Question

The following is/are true about stress and the immune system:

1. Stress can cause illness by impairing the workings of the immune system.
2. The immune system functions to guard the body against attackers, both from within and outside.
3. Increased levels of natural killer cell cytotoxicity have been found in people who are highly stressed.
4. Studies reveal that immune functioning is better in individuals who do not receive social support.

Choose the correct option:

Options

• i

• ii, iii

• i, ii, iv

• i, ii

Answer 1

i, ii