Question

Stress increases the activity of the central nervous system. A positive effect of this is that it makes a person more alert and focused. A negative effect is that it
A. makes a person more vigilant.
B. can cause insomnia.
C. dilates the pupils, improving vision.
D. causes stomach upset and indigestion.

Answer 1

Answer:

The answer is B

Explanation:

Answer 2

Stress increases the activity of the central nervous system.  A negative effect is that it can cause insomnia. The correct option is B.

What is insomnia?

Insomnia is a condition in which the sleep of the person deprived. People doesn't feel like sleeping at all. It is a common sleeping disorder, which can be 1 day long or can go for weeks.

Thus, the correct option is B. can cause insomnia.

Learn more about insomnia

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