Noradrenaline is differentiated from adrenaline by increasing___________?
Correct answer: C. Peripheral resistance
- A. Heart rate
- B. Cardiac output
- C. Peripheral resistance
- D. All of the above
Explanation
Noradrenaline strongly stimulates alpha receptors, producing vasoconstriction and increased peripheral resistance. Unlike adrenaline, it usually causes reflex bradycardia rather than a marked rise in heart rate or cardiac output.
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