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Congenital under secretion of thyroxin causes:

Correct answer: D. Cretinism

  • A. Grave's disease
  • B. Myxedema
  • C. Addison's disease
  • D. Cretinism

Explanation

Cretinism: Cretinism, now more commonly referred to as Congenital Hypothyroidism, is a condition that occurs when your body doesn't produce enough thyroid hormone during fetal development. It's often caused by iodine deficiency during pregnancy. This condition aligns with the description of congenital under-secretion of thyroxin.

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About Coordination and Control

Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.

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