Zoology-Drug Abuse
NEET Zoology Drug Abuse MCQ Question
Type: MCQ-conceptual-Hard-Class 12
If a person smokes tobacco, which contains nicotine, how does it affect the heart rate compared to normal conditions?
A
It increases the heart rate due to adrenaline release.
B
It decreases the heart rate by slowing down adrenaline production.
C
It has no effect on heart rate but increases lung capacity.
D
It decreases the heart rate due to carbon monoxide exposure.
Correct Answer
Option A
Detailed Explanation
Nicotine in tobacco stimulates the adrenal gland to release adrenaline, which increases heart rate as per the NCERT context.
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