Chapter 12.1 Quiz

Question 0

The major difference between the left and right ventricles relative to their role in heart function is that

Answer 0

The left ventricle pumps blood the high resistance systemic circulation

Question 1

The “double pump” function of the heart includes the right side, which serves as the __________ circuit pump, and the left side, which serves as the _____________ pump

Answer 1

Pulmonary, systemic

Question 2

The heart is surrounded by the

Answer 2

Pericardial cavity

Question 3

The function of the chordae tendineae is to

Answer 3

Anchor the av valve flaps and prevent back flow of blood into the atria

Question 4

The folds of fibrous tissue that ensure a one way flow of blood from the atria into the ventricles are the

Answer 4

Atrioventricular valves

Question 5

The portion of the pericardial membrane that lies on the surface of the heart is the

Answer 5

Visceral pericardium

Question 6

The visceral pericardium is the same as the

Answer 6

Epicardium

Question 7

The thin walled chambers in the heart that are highly distensible are the

Answer 7

Two upper chambers

Question 8

The dense bands of tough, elastic connective tissue that stabilize the position of the heart valves and provide an internal framework for the heart are called the

Answer 8

Skeletal

Question 9

Each cardiac muscle cell contacts several others at specialized sites known as

Answer 9

Intercalated discs

Question 10

The outer surface of the heart is covered by the

Answer 10

Epicardium

Question 11

The layer of the heart wall that contains cardiac muscle tissue, blood vessels, and nerves is the

Answer 11

Myocardium

Question 12

The hearts inner surface, including the heart valves, is covered by the

Answer 12

Endocardium

Question 13

The principal kind tissue making up the endocardium and epicardium is

Answer 13

Epithelial tissue

Question 14

Blood returning from the systemic circuit first enters the

Answer 14

Right atrium

Question 15

Blood returning from the lungs enters the

Answer 15

Left atrium

Question 16

The right ventricle pumps blood to the

Answer 16

Lungs

Question 17

The left ventricle pumps blood to the

Answer 17

Systemic circuit

Question 18

The inferior vena cava delivers blood to the

Answer 18

Right atrium

Question 19

The atrioventricular valve located on the right side of the heart is the

Answer 19

Tricuspid valve

Question 20

Blood leaving the right ventricle enters the

Answer 20

Pulmonary artery

Question 21

The pulmonary semilunar valve guards the entrance to the

Answer 21

Pulmonary trunk

Question 22

The bicuspid or mitral valve is located

Answer 22

Between the left atrium and left ventricle

Question 23

The entrance to the ascending aorta is guarded by

Answer 23

The aortic valve

Question 24

The left and right pulmonary veins carry blood to the

Answer 24

Heart

Question 25

The left and right pulmonary arteries carry blood to the

Answer 25

Lungs

Question 26

The function of an atrium is

Answer 26

To collect blood

Question 27

What is the correct order for the flow of blood entering from the systemic circulation

Answer 27

Vena cava, right atrium, right ventricle, pulmonary trunk, pulmonary veins, left atrium, left ventricle, aorta