Which hormone , together with the catecholamines enhances the tone of vascular smooth muscle and assists in elevating blood pressure ?
Correct answer: D. Cortisol
- A. Parathyroid hormone
- B. Glucagon
- C. Thyroxine
- D. Cortisol
Explanation
Cortisol has a permissive effect on catecholamines, increasing vascular smooth-muscle responsiveness and helping maintain blood pressure. Its deficiency can therefore contribute to hypotension, as in Addison disease.
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