Multiple Choice
Which of the following is true regarding cardiac output?
A) Normal contraction of the ventricles results in 250-350 milliliters of blood being ejected into the pulmonary and systemic circulations.
B) The amount of blood ejected from the ventricles with each contraction is referred to as the stroke volume.
C) Stroke volume is dependent on preload and blood pressure.
D) Contraction of the atria and ventricles is referred to as diastole.
Correct Answer:
Verified
Correct Answer:
Verified
Q19: The AV node:<br>A) is located high on
Q20: Positively charged ions such as potassium leaving
Q21: In order for any muscle to contract
Q22: As the impulse moves toward a positive
Q23: The skeleton of the heart:<br>A) is a
Q24: Impulses are generated and subsequently transmitted when:<br>A)
Q25: The heart:<br>A) is the pump of the
Q27: The _ further divides into three divisions
Q28: The muscular wall that separates the right
Q29: The ventricles:<br>A) are the two upper chambers