Multiple Choice
Which of the following does NOT directly affect stroke volume of the left ventricle?
A) degree of stretch of the ventricle
B) Frank-Starling law.
C) amount of blood in ventricle prior to contraction
D) parasympathetic stimulation
E) pressure needed to open the aortic valve
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Acetylcholine released by the parasympathetic fibers increases
Q4: The pericardium is composed of three layers.
Q5: Which of the following characteristics would NOT
Q6: In the diagram of the heart action
Q7: The heart valve found between the left
Q9: Briefly describe the diagnostic value of an
Q10: List the three phases of the cardiac
Q11: Impulses carried from the cardiovascular center to
Q12: The cardiovascular (CV)center that regulates cardiac output
Q13: In an ECG, atrial repolarization is indicated