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
Q7: Structurally, the working myocardial cells are:
A) cylindrical,
Q8: The ventricles:
A) are the two upper chambers
Q9: The muscular wall that separates the right
Q10: The skeleton of the heart:
A) is a
Q11: The heart receives most of its blood
Q13: Cardiac output is the equivalent of the
Q14: Regulation of the heart rate, speed of
Q15: Baroreceptors are responsible for:
A) sensing changes in
Q16: The cardioaccelerator center:
A) is located in the
Q17: Automaticity is the ability of certain myocardial
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