Single Answer MCQ
Q-00019253

What is the primary function of adrenaline in response to stress?

1

Increases digestion rate

2

Increases heart rate

3

Increases insulin secretion

4

Decreases oxygen supply

Answer and Solution

Answer

B. Increases heart rate

Solution:

Adrenaline increases heart rate to supply more oxygen and energy to muscles during stressful situations, making option 2 correct. Options 1, 3, and 4 are incorrect as they do not describe the direct effect of adrenaline.

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