Zoology-Drug Abuse
NEET Zoology Drug Abuse MCQ Question
Type: MCQ-conceptual-Easy-Class 12
If a person smokes tobacco, which contains nicotine, what is the expected increase in heart rate due to the release of adrenaline and nor-adrenaline?
A
Heart rate increases
B
Heart rate decreases
C
Heart rate remains the same
D
Heart rate fluctuates randomly
Correct Answer
Option A
Detailed Explanation
Nicotine stimulates the adrenal gland to release adrenaline and nor-adrenaline into the bloodstream, both of which increase heart rate as per the NCERT context on drug abuse.
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