Chemical Coordination and IntegrationHard
Question
A health disorder that results from the deficiency of thyroxin in adults and characterized by
(i) a low metabolic rate
(ii) increase in body weight
(iii) tendency to retain water in tissues is
(i) a low metabolic rate
(ii) increase in body weight
(iii) tendency to retain water in tissues is
Options
A.hypothyroidism
B.simple goitre
C.myxoedema
D.cretinism
Solution
Myxoedema (Gulls disease) occurs due to the deficiency of thyroxin in adult, it causes low BMR (by 30-40%), low body temperature, tendency to retain water in tissues, reduced heart rate, pulse rate, blood pressure and cardiac output, low sugar and iodine leve in blood, muscular weakness and oedema (accumulation of interstilial fluid that causes the facial tissues to ewell and look fluffy).
Decrease secretion of thyroxine hormone from thyroid gland causes hypothyroidism.
Simple goitre is caused by lower intake of iodine through diet
Cretinism occurs due to hyposecretion of thyroxin during the groeth years or birth.
Decrease secretion of thyroxine hormone from thyroid gland causes hypothyroidism.
Simple goitre is caused by lower intake of iodine through diet
Cretinism occurs due to hyposecretion of thyroxin during the groeth years or birth.
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