A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate, (ii) an increase in body weight and (iii) tendency to retain water in tissues is
Correct answer: B. Myxodema
- A. Simple goiter
- B. Myxodema
- C. Cretinism
- D. Hypothyroidism
Explanation
Myxoedema is caused by deficiency of thyroid hormone or thyroxine in adults. It is characterized by low metabolic rate, body gain, puffy appearance, low body temperature etc. This disease can be treated by administration of thyroid hormones.
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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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