Fairly easy

A patient reports fatigue, cold intolerance, constipation and weight gain. Which endocrine problem best matches these findings?

Correct answer: B. Reduced thyroid hormone secretion

  • A. Excess thyroid hormone secretion
  • B. Reduced thyroid hormone secretion
  • C. Excess adrenal medulla secretion
  • D. Reduced parathyroid hormone secretion

Explanation

Reduced thyroid hormone secretion slows metabolic activity and commonly causes fatigue, cold intolerance, constipation and weight gain. Excess thyroid hormone usually causes heat intolerance, weight loss and tachycardia.

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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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