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A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate, (ii) increase in body weight and (iii) tendency to retain water in tissues is:
- simple goitre
- myxoedema
- cretinism
- hypothyroidism
Correct answer: myxoedema
Solution
Myxoedema is the adult syndrome caused by deficiency of thyroxine, leading to a reduced metabolic rate, weight gain, and water retention in tissues. Cretinism is the childhood form, while simple goitre is just thyroid enlargement.
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