Last pa of the hea to be repolarised is:: (A) Apical epicardium, (B) Apical endocardium, (C) Epicardium of the base of LV, (D) Endocardium of the base of LV
Answer is B. Depolarization occurs from apex to base & endocardium to epicardium; Repolarization occurs from base to apex & epicardium to endocardium Last to depolarize are: Base of LV (epicardium) Pulmonary conus. Upper most pa of interventricular septum. Last to repolarise: Apex endocardium