Cardiovascular System MCQs
Cardiovascular System MCQs
Try to answer these Cardiovascular System MCQs and check your understanding of the Cardiovascular System subject. Scroll down and let's begin!
1: Heart murmurs caused by a stenotic mitral valve ______
A. Are detected while blood flow into the left ventricle is reduced
B. Are detected due to the turbulent blood flow that occurs as blood backflows into the left atrium
C. Are detected if the valve's cusps are thin and flexible
D. All of the listed responses are true
2: The respiratory pump facilitates the return of blood to the heart by ________.
A. Raising the pressure gradient between abdominal and thoracic veins during inspiration
B. A gradual increase in pressure that resets the baroreceptors
C. Squeezing blood from the rhythmic contraction of the diaphrag
3: At rest, the _____________ receive(s) about 50% of cardiac output.
A. Liver and kidneys
B. Skin
C. Arteries
4: The net pressure gradient in the cardiovascular system is created by _____.
A. The pumping action of the heart.
B. Carbohydrate utilization increases
C. Larger molecules or structures are built from smaller ones
D. Structural proteins are used as a potential energy source
E. Ketone bodies are formed
5: __________ of the population of the united states is obese.
A. 10%
B. 25%
C. 33%
D. 50%
6: A rapid, irregular heartbeat is a symptom of __________.
A. Stroke
B. Heart failure
C. Atherosclerosis
D. High blood pressure
7: A ___________________ drug increases the force of contraction of the heart.
A. Positive inotropic
B. Potassium and sodium
C. Potassium
D. None of the above
8: When fibrin levels increase, thrombin production is inhibited. this is an example of a __________.
A. Positive feedback loop
B. Vascular spasm
C. Negative feedback loop
D. Fibrinolysis
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Cardiovascular System MCQs
