Multiple choice

Select the one for which thyroxine is not responsible.

  1. Depression of metabolism in tissues

  2. Increased oxygen consumption

  3. Increased pulmonary ventilation

  4. Increased basal metabolic rate
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A Correct answer
Explanation

Thyroxine is a metabolic stimulant - it increases tissue metabolism, oxygen consumption, pulmonary ventilation, and basal metabolic rate. "Depression of metabolism" means a decrease in metabolic rate, which is the opposite of what thyroxine does. Therefore, depression of metabolism is NOT caused by thyroxine.

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