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Which hormone secreted by the adrenal medulla increases heart rate and blood pressure during stress?

medium Q7 of 15
General Science - Physics (Basics)
Which hormone secreted by the adrenal medulla increases heart rate and blood pressure during stress?
ACortisol
BThyroxine
CAldosterone
DAdrenaline
Step-by-Step Solution
  1. Step 1: Identify adrenal medulla hormones

    Adrenal medulla secretes adrenaline and noradrenaline.
  2. Step 2: Understand adrenaline's effect on heart rate and blood pressure

    Adrenaline increases heart rate and blood pressure during stress.
  3. Final Answer:

    Adrenaline → Option D
  4. Quick Check:

    Adrenaline function = increases heart rate and blood pressure ✅
Quick Trick: Adrenaline = fight or flight hormone.
Common Mistakes:
  • Confusing cortisol or aldosterone with adrenaline.
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