Question 1

Which circuit of the heart is responsible for transporting oxygen-poor blood to the lungs for gas exchange?

Accepted Answer

Pulmonary circuit

Question 2

The left ventricle pumps blood into which circuit, and what is the primary function of this circuit?

Accepted Answer

Systemic circuit; deliver oxygenated blood to body tissues

Question 3

Which chamber of the heart receives blood returning from the systemic circuit?

Accepted Answer

Right atrium

Question 4

What anatomical structure anchors the heart to surrounding structures and prevents overfilling?

Accepted Answer

Fibrous pericardium

Question 5

Which layer of the heart wall is continuous with the endothelial lining of blood vessels?

Accepted Answer

Endocardium

Question 6

A patient presents with pericarditis. What is a common clinical sign that can be detected with a stethoscope?

Accepted Answer

Pericardial rub

Question 7

Which of the following best describes the location of the heart?

Accepted Answer

In the mediastinum, between the second rib and fifth intercostal space

Question 8

Which vessel returns oxygen-poor blood from the body regions below the diaphragm to the right atrium?

Accepted Answer

Inferior vena cava

Question 9

What is the function of the chordae tendineae in the heart?

Accepted Answer

Prevent valve flaps from everting into the atria during ventricular contraction

Question 10

Which valve prevents backflow of blood from the right ventricle into the right atrium?

Accepted Answer

Tricuspid valve

Question 11

A patient with cardiac tamponade is at risk for which of the following complications?

Accepted Answer

Compressed heart's pumping ability

Question 12

Which of the following is TRUE regarding the pulmonary and systemic circuits?

Accepted Answer

The pulmonary circuit is a short, low-pressure circulation

Question 13

Which chamber of the heart pumps blood into the pulmonary trunk?

Accepted Answer

Right ventricle

Question 14

Which of the following statements about the heart's orientation is correct?

Accepted Answer

Two-thirds of the heart lies to the left of the midsternal line

Question 15

Which of the following is a function of the cardiac skeleton?

Accepted Answer

Anchors cardiac muscle fibers

Question 16

Which of the following best describes the epicardium?

Accepted Answer

It is the visceral layer of the serous pericardium

Question 17

Which of the following is NOT a vein that empties into the right atrium?

Accepted Answer

Pulmonary vein

Question 18

Which of the following statements about the heart chambers is correct?

Accepted Answer

The ventricles are the actual pumps of the heart

Question 19

Which of the following is a landmark on the posteroinferior surface of the heart?

Accepted Answer

Posterior interventricular sulcus

Question 20

Which of the following statements about the pericardial cavity is correct?

Accepted Answer

It is filled with fluid to decrease friction between heart layers

Heart Anatomy and Physiology: Pulmonary & Systemic Circuits, Location, and Coverings

Study Guide - Practice Questions