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Doctors Medicines MCQs Q&A

  1. Thyroxine
  2. Epinephrine
  3. Oxytocin
  4. Endorphin
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1 Answers

Option 1 : Thyroxine

The correct answer is Thyroxine.

Explanation:
Thyroid gland-

  • Thyroid gland is known to be the largest endocrine gland.
  • The thyroid gland is bilobed, high vascular organ.
  • The thyroid gland is composed of follicles (round in shape) and stromal tissues. 
  • Each thyroid follicle is composed of follicular cells, enclosing a cavity. 

Thyroxine hormone

  • These are non-nutrient chemicals that are responsible for regulating the biological processes in the body.
  • Thyroxine hormone regulate carbohydrate, protein and fat metabolism in the body. Thus, it provide the best balance for growth.
  • When rate of synthesis and secretion of thyroid hormones is increased to abnormal high levels then this condition is known as Hyperthyroidism. It adversely affects body physiology of an organism.

Thyroxine hormone has the following functions in humans:

  • They maintain the basal metabolic rate of the body.
  • They promote growth of body tissues and development of mental faculties.
  • They stimulate tissue differentiation.
  • Thyroxine also controls the working of kidneys. Its deficiency results in decreased urine output and vice-versa.
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