Exam 13: The Cardiovascular System: the Heart

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

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

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

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).

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

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

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

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

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

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

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.

The pulmonary veins carry deoxygenated blood to the lungs.

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

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

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

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

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

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

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

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.