【单选题】The opening of atrioventricular valve can be seen in: ()
A.
isovolumic shrinkage at the end of the period
B.
ventricular systolic period beginning
C.
isovolumic diastolic period beginning
D.
isovolumic systolic period beginning
E.
isovolumic diastolic period end
【单选题】外周血淋巴细胞计数可反映何种细胞的数量( )
【简答题】房室(传导)延搁(atrioventricular delay)
【单选题】Physiological significance of atrioventricular delay
C.
Prolong the effective refractory period of ventricular muscle
D.
so that the atria and ventricles do not overlap
【简答题】Le Saga del cuochi del Sangro
【单选题】关于男性生殖器的叙述,下列哪项是错误的( )
E.
男性附属腺体分泌物的功能与第二性征的发育无关
【简答题】atrioventricular delay
【简答题】房室延搁(atrioventricular delay)
【简答题】La Saga del Cuochi del Sangro