Multiple Choice
Increased afterload (e.g. ,hypertension)
A) is usually caused by arteriolar dilation.
B) increases the work of the heart.
C) can only occur when preload increases.
D) is usually caused by intense parasympathetic (vagal) discharge.
Correct Answer:
Verified
Correct Answer:
Verified
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
Q53: Vagal stimulation to the heart causes<br>A)a (+)
Q54: Increased return of blood to the heart
Q55: Excess vagal stimulation to the SA node
Q56: An elevation in pulmonary artery pressure is
Q57: During atrial systole,the<br>A)AV valves are closed.<br>B)ventricles are