Question
Biology Question on chemical coordination and integration
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
A
simple goitre
B
myxoedema
C
cretinism
D
hypothyroidism
Answer
myxoedema
Explanation
Solution
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.