Which of the following hormones increase the sensitivity of heart to epinephrine________________?
Correct answer: C. Thyroid
- A. Parathyroid
- B. Insulin
- C. Thyroid
- D. Glucagon
Explanation
Thyroid hormones increase beta-adrenergic receptor expression and make the heart more responsive to epinephrine, contributing to tachycardia and increased contractility. The other listed hormones do not have this characteristic cardiac sensitising effect.
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