The Cardiovascular System Test Questions
with Verified Answers
This picture shows what the heart rhythm looks like when there is an injury to the heart
muscle due to a lack of blood flow through the coronary arteries.
mc021-1.jpg
What is most likely true of a person who has this heart rhythm? - Ans -C. The person
is having a heart attack.
What is the medical term for a heart attack? - Ans -myocardial infarction
Why do arteries need to be thick, muscular, and elastic? - Ans -to withstand the
pressure of the blood that is being pumped by the heart
Which statement best describes the difference between atria and ventricles? - Ans -
Atria push blood from the veins to the ventricles, and ventricles push blood from the atria
to the arteries.
Why do capillaries need to be thin walled? - Ans -so the exchange of gases and
nutrients can happen
Frog hearts have a chamber where deoxygenated blood can mix with oxygenated blood.
What structure would help prevent this mixing? - Ans -septum
What most directly causes hypertension? - Ans -excessive force of blood pumping
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with Verified Answers
This picture shows what the heart rhythm looks like when there is an injury to the heart
muscle due to a lack of blood flow through the coronary arteries.
mc021-1.jpg
What is most likely true of a person who has this heart rhythm? - Ans -C. The person
is having a heart attack.
What is the medical term for a heart attack? - Ans -myocardial infarction
Why do arteries need to be thick, muscular, and elastic? - Ans -to withstand the
pressure of the blood that is being pumped by the heart
Which statement best describes the difference between atria and ventricles? - Ans -
Atria push blood from the veins to the ventricles, and ventricles push blood from the atria
to the arteries.
Why do capillaries need to be thin walled? - Ans -so the exchange of gases and
nutrients can happen
Frog hearts have a chamber where deoxygenated blood can mix with oxygenated blood.
What structure would help prevent this mixing? - Ans -septum
What most directly causes hypertension? - Ans -excessive force of blood pumping
1
Page
