Complete compensatory pause could be seen in A: atrial premature beats. B: ventricular premature beats. C: junctional premature beats. D: bigeminy of ventricular premature contraction. E: sinus premature beats.

Which of the following descriptions is NOT true of the basement membrane?( ) A: a member of the junctional complex B: located between epithelium and underlying connective tissue C: consists of the basal lamina and the reticular lamina D: positive staining with PAS E: observed with silver stain