Multiple Choice
Identify the correct match.
A) Systole = relaxation of heart chambers
B) Diastole = contraction of heart chambers
C) Cardiac output = the amount of blood ejected by the right ventricle in one minute
D) Stroke volume = the amount of blood ejected by an atrium in a single beat
E) SA node = tissue mass embedded in the posterior wall of the right atrium
Correct Answer:

Verified
Correct Answer:
Verified
Q12: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7571/.jpg" alt=" Figure 12-1 Major
Q13: Atrioventricular valves prevent backflow into the<br>A) ventricles.<br>B)
Q14: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7571/.jpg" alt=" Figure 12-1 Major
Q15: Veins that return blood to the heart
Q16: Verne is suffering from cardiac arrhythmias and
Q18: The marginal artery branches off the<br>A) aorta.<br>B)
Q19: Following are events that occur during the
Q20: The great and middle cardiac veins drain
Q21: A faster-than-normal heart rate is called<br>A) bradycardia.<br>B)
Q22: The innermost layer of the heart wall