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Intravenous infusions of adrenaline and noradrenaline have similar effects on A. Skeletal muscle blood flow. B. Renal blood flow. C. Skin blood flow. D. Diastolic arterial pressure. E. Heart rate. |
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Answer» A. False Adrenaline increases, and noradrenaline reduces skeletal muscle blood flow. B. True Both decrease renal blood flow. C. True Both cause cutaneous vasoconstriction. D. False Noradrenaline raises diastolic pressure; adrenaline lowers it. E. False Adrenaline increases heart rate; noradrenaline raises mean arterial pressure and causes reflex cardiac slowing. |
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