Multiple Choice
Vagal stimulation on the heart
A) increases the force of myocardial contraction.
B) increases the amount of blood that flows into the heart from the vena cava.
C) causes tachycardia.
D) slows the heart rate.
Correct Answer:

Verified
Correct Answer:
Verified
Q41: Increased return of the blood to the
Q42: Atropine,a muscarinic blocker,<br>A)increases heart rate.<br>B)causes bradycardia.<br>C)is also
Q43: Which of the following describes Starling's law
Q44: Which of the following statements is correct
Q45: Venodilation<br>A)increases afterload.<br>B)decreases preload.<br>C)increases end-diastolic volume.<br>D)stretches the ventricular
Q47: With which term is preload synonymous?<br>A)Cardiac reserve<br>B)End-diastolic
Q48: Milliliters per minute describes<br>A)stroke volume.<br>B)heart rate.<br>C)pulse.<br>D)cardiac output.
Q49: Which of the following defines cardiac output?<br>A)Cardiac
Q50: A change in preload causes a change
Q51: Atropine is a muscarinic antagonist and is