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Exam 13: The Cardiovascular System: the Heart

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Question 21

Multiple Choice

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The atrio-ventricular (AV) valve in the left side of the heart is known as the:

A) bicuspid (mitral)
B) pulmonary semilunar.
C) tricuspid.
D) aortic semilunar.

E) None of the above
F) B) and C)

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Question 22

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The pulmonary veins carry deoxygenated blood to the lungs.

A) True
B) False

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Question 23

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Which of the following vessels deliver blood to the right atrium? 1 superior vena cava 2 inferior vena cava 3 pulmonary veins 4 coronary sinus 5 pulmonary arteries

Desmosomes function to hold cardiac muscle fibers (cells) firmly together.

Heart murmurs in children are rare and usually are considered life-threatening.

Match the component of the conduction system of the heart with the description. Epicardium:

Impulses from the sympathetic division of the autonomic nervous system (ANS) speed up heart rate while impulses from the parasympathetic division of the ANS slow down heart rate.

Which of the following vessels carries blood away from the heart?

Trace the path of a drop of blood from the time it enters the heart via the superior vena cava until it is in the arch of the aorta.

The heart cannot contract without signals from the autonomic nervous system.

Which of the following pairs of terms is/are correctly matched?

What is the term for the severe pain that usually accompanies a heart attack?

A vascular sinus, such as the coronary sinus, is best described as:

Which vessel does NOT supply blood to the wall of the right ventricle?

The study of the heart and heart disease is called _____.

Most of the ventricular filling occurs during which phase of the cardiac cycle?

Match the ventricle of the heart with the description. Left ventricle:

Which of the following are branches of the left coronary artery? 1 marginal branch 2 circumflex branch 3 anterior interventricular branch 4 posterior interventricular branch

The middle cardiac vein in the posterior interventricular sulcus drains the areas supplied by the posterior interventricular branch of the right coronary artery (left and right ventricles).

Compare and contrast a skeletal muscle cell and a cardiac muscle cell.