Deck 1: The Anatomy of the Heart: Structure

Question 1

Oxygenated blood is distributed throughout the heart muscle through a process known as:

A) systemic circulation.
B) pulmonary circulation.
C) central circulation.
D) coronary circulation.

Answer 1

D

Question 2

The area that surrounds the outside of the heart and divides the atria from the ventricles is called:

A) interatrial septum.
B) inferior chambers.
C) coronary sulcus.
D) coronary sinus.

Answer 2

C

Question 3

Passive filling of the coronary arteries occurs during:

A) ventricular diastole.
B) atrial diastole.
C) ventricular systole.
D) ventricular contraction.

Answer 3

A

Question 4

The valve located between the right atrium and the right ventricle is the:

A) aortic.
B) mitral.
C) bicuspid.
D) tricuspid.

Question 5

Which arteries carry unoxygenated blood?

A) Aorta and brachial arteries
B) Pulmonary and umbilical arteries
C) Carotid and femoral arteries
D) Femoral and coronary arteries

Question 6

The two main coronary arteries arise from the ________ of the aorta.

A) top
B) trunk
C) inferior end
D) middle

Question 7

The lower chambers of the heart are the:

A) endocardium.
B) veins.
C) atria.
D) ventricles.

Question 8

Concerning the pericardial sac, the part that is in direct contact with the pleura is termed:

A) parietal pericardium.
B) visceral pericardium.
C) anterior pericardium.
D) posterior pericardium.

Question 9

The excess accumulation of fluid in the pericardial sac is called:

A) cardiac tamponade.
B) cardiac seizure.
C) cardiac compression.
D) cardiac stenosis.

Question 10

There are ________ main coronary arteries in the heart.

A) two
B) four
C) six
D) five

Question 11

There are a total of ________ hollow chamber(s) in the heart.

A) one
B) two
C) three
D) four

Question 12

Vessels that carry blood back to the heart, operate under low pressure, and are relatively thin-walled are called:

A) arteries.
B) veins.
C) capillaries.
D) arterioles.

Question 13

The valves that prevent backflow into the ventricles are called:

A) semilunar.
B) atrioventricular.
C) bicuspid.
D) mitral.

Question 14

Which valves are closed during ventricular diastole?

A) Mitral and aortic valves
B) Aortic and pulmonic valves
C) Mitral and tricuspid valves
D) Bicuspid and tricuspid valves

Question 15

The main coronary arteries are located on the surface of the:

A) endocardium.
B) middle cardium.
C) exocardium.
D) epicardium.

Question 16

The upper chambers of the heart are separated by the:

A) interventricular septum.
B) interatrial septum.
C) atrioventricular groove.
D) mediastinum.

Question 17

The valve that is located between the left atrium and the left ventricle is the:

A) mitral.
B) tricuspid.
C) pulmonic.
D) aortic.

Question 18

The three layers of the arterial walls are called:

A) tunics.
B) connective tissue.
C) septums.
D) semilunar.

Question 19

The thick middle layer of the heart is called the:

A) epicardium.
B) myocardium.
C) endocardium.
D) pericardium.

Question 20

The two upper chambers of the heart are the:

A) atria.
B) ventricles.
C) myocardium.
D) mediastinum.

Question 21

The circumflex artery is a branch of the ________ coronary artery.

A) middle
B) left
C) right
D) lower

Question 22

The ________ is a short trunk that serves to receive deoxygenated blood from the veins of the myocardium.

A) coronary sulcus
B) coronary thrombus
C) coronary sinus
D) coronary groove