Multiple Choice
The rapid influx of calcium ions into pacemaker cells creates a positive membrane potential inside the cell and is responsible for the:
A) repolarization phase.
B) full depolarization phase.
C) slow initial repolarization phase.
D) minimum potential phase.
Correct Answer:
Verified
Correct Answer:
Verified
Q13: Where should the left ventricle send blood?<br>A)left
Q14: Stroke volume averages about:<br>A)180 ml per heartbeat.<br>B)70
Q15: Explain the significance of the plateau period
Q16: Calculate cardiac output if the heart rate
Q17: Calculate the stroke volume (SV)if end-systolic volume
Q19: An insufficient mitral valve (bicuspid valve,or left
Q20: Generally,coronary veins empty into a vessel known
Q21: Discuss the location and function of valves
Q22: Heart rate can be determined by measuring
Q23: Describe the coronary circulation.