Q

Which of the following statements are correct regarding adrenaline? (i) The heart beats faster. (ii) The respiratory rate increases. (iii) Blood pressure decreases.

RRB NTPC (Graduate Level) (Stage-II); RRB Technicians Grade-III; RRB Technicians Grade-III 13/10/2025 / Shift-II; 30/12/2024 / Shift-I; 27/12/2024 / Shift-I 2025; 2024; 2024
✓ Answer: B Only (i) and (ii)
Adrenaline increases heart rate and respiratory rate during the fight-or-flight response. A general decrease in blood pressure is not the expected response.
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