2 weeks old baby having scrotal pigmentation along with hyponatremia, gypoglycemia and hyperkalemia enzyme deficient-: (A) 11 beta hydroxylase, (B) 21 a- hydroxylase, (C) 3- Beta hydroxylase dehydrogenase, (D) 17- hydroxylase deficiency
Answer is B. Ans. is 'b' i.e., 21 a- hydroxylase Congenital adrenal hyperplasia (CAH)o Autosomal recessive disorder,o MC. is a-hvdroxylase deficiency.In 21a-hyroxylese deficiencyo There is deficiency of mineralocorticoids & glucocorticoid,o This leads to hypoglycemia, hyponatremia.