1. The ____________ follows the coronary sulcus around the heart and supplies bl

Question

1. The ____________ follows the coronary sulcus around the heart and supplies blood to the left atrium and ventricle. (only answer needed)

2. The plateau phase of the ventricular action potential is caused by _______ (only answer needed)

a. slow K+ channels openings

b. low voltage-gated Ca2+ channels opening

c. fast voltage-gated Ca2+ channels opening

3. The first heart sound, "lubb," is caused by the ________. (can choose one or more) (only answer needed)

4. What happens during isovolumetric contraction?

b. Semilunar valves open, and ventricles eject blood into the pulmonary and aortic trunks.

c. Ventricular pressure rises.

Explanation / Answer

1) anterior interventricular artery

2) b) low voltage gated calcium channels

3) a) closing of the atrioventricular valve

4) c) ventricular pressure rises

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

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