A patient receiving long-term corticosteroid therapy is at increased risk of infection and hyperglycaemia. Which hormone action explains these effects?
Correct answer: A. Cortisol suppresses immune activity and increases blood glucose
- A. Cortisol suppresses immune activity and increases blood glucose
- B. Insulin suppresses immune activity and decreases blood glucose
- C. Thyroxine suppresses immune activity and decreases blood glucose
- D. ADH suppresses immune activity and increases blood glucose
Explanation
Cortisol from the adrenal cortex suppresses inflammatory and immune responses and promotes gluconeogenesis, which can raise blood glucose. These effects explain important monitoring needs during prolonged corticosteroid therapy.
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About Endocrine System
The endocrine system covers hormone-producing glands including the pituitary, thyroid, parathyroids, adrenals, pancreas, pineal gland, ovaries and testes. It explains hormone classes, target-cell responses, feedback control, and the functions of hormones such as insulin, thyroxine, cortisol, growth hormone and ADH, which is often confused with a kidney-produced substance.
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