Prologed PT and Normal PTT may be seen in ?
Ans. is 'None' o Option a and d are defects of platelets --) Bleeding time is prolonged, PT and PTT are normal. o DIC (causes deficiency of all factors) and vitamin k deficiency (causes deficiency of factor II, VII, IX, X) cause prolongation of both PT and PTT.
Thrombocytopenia
DIC
Vit. K deficiency
None