Deck 1: The Anatomy of the Heart Structure

Question 1

The two upper chambers of the heart are the:

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

Answer 1

C

Question 2

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

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

Answer 2

B

Question 3

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

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

Answer 3

B

Question 4

Which arteries carry unoxygenated blood?

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

Question 5

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

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

Question 6

The thick middle layer of the heart is called the:

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

Question 7

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

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

Question 8

The three layers of the arterial walls are called:

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

Question 9

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

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

Question 10

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

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

Question 11

Passive filling of the coronary arteries occurs during:

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

Question 12

The lower chambers of the heart are the:

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

Question 13

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

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

Question 14

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

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

Question 15

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

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

Question 16

The left side of the heart is more muscular than the right side.

Question 17

There are ________ main coronary arteries in the heart.

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

Question 18

The valves that prevent backflow into the ventricles are called:

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

Question 19

The upper chambers of the heart are separated by the:

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

Question 20

Which valves are closed during ventricular diastole?

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

Question 21

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

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

Question 22

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

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

Question 23

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

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