Most common cause of congenital hypothyroidism is

47 Most common cause of congenital hypothyroidism is
A Thyroid agenesis
B Deficiency of deiodinase
C Pendred syndrome
D Defective release
Answer : A

48 Myocardial oxygen demand is maximally increased with
A Halothane
B Ether
C TCE
D N2O
Answer : A