Moderate

One of the followings is characterized by excessive breakdown of proteins resulting in muscular and bone weakness:

Correct answer: B. Cushing disease

  • A. Addison's disease
  • B. Cushing disease
  • C. Graves disease
  • D. All of the above

Explanation

Excess cortisol in Cushing disease increases protein breakdown, causing muscle wasting and weakening of connective tissue and bone. Addison disease has deficient cortisol, whereas Graves disease is a thyroid disorder.

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