11) which of the following would be most likely to occur if the av node was dama

Question

11) which of the following would be most likely to occur if the av node was damaged by ischemia: a) cardiac contractility would be increased, b) conduction of the depolarizing electrical signal form the atria to the ventricles would be delayed or blocked, c) spreading of the depolarizing electrical signal from the septum to the ventricular walls would be impaired, d) the ability to intrinsically increase heart rate during stress would be impaired, e) cardiac contractility would be impaired

12) which of the following relations or laws fundamentally explains why aneurysms burst: a) laplace, b) murphy, c) starlings law of the heart, d) ohm, e) pouiseille

14) which of the following, in the absense of changes in other variables, will tend to decrease venous return: a) increased right atrial pressure, b) decrease venous compliance, c) decreased venous resistance, d) increased mean circulatory filling pressure, e) increased blood volume

15) of the following sites within the fetal circulation, which has the highest oxygen saturation: a) umbilical artery, b) umbilical vein, c) carotid artery, d) desceding aorta, e) superior vena cava

Explanation / Answer

which of the following would be most likely to occur if the av node was damaged by ischemia: b) conduction of the depolarizing electrical signal form the atria to the ventricles would be delayed or blocked

12) which of the following relations or laws fundamentally explains why aneurysms burst: a) laplace,

15) of the following sites within the fetal circulation, which has the highest oxygen saturation: b) umbilical vein

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.