Cardiovascular system reading 2

Question 1

What are the small flaplike projections on the atria called?

Answer 1

Auricles

Question 2

Identify the vessels that return deoxygenated blood to the right atrium.

Answer 2

Inferior vena cava

Superior vena cava

Coronary sinus

Question 3

The blood vessels that supply nutrients and oxygen only to the heart muscle make up the specific type of circulation called the ______ circulation.

Answer 3

coronary

Question 4

The chambers of the human heart include __.

Answer 4

2 atria and 2 ventricles

Question 5

What vessels empty into the right atrium?

Answer 5

Inferior vena cava

Superior vena cava

Coronary sinus

Question 6

True or false: The coronary circulation is made up of all of the systemic blood vessels.

Answer 6

False

Question 7

The ______ receive blood from veins.

Answer 7

atria

Question 8

What vessels empty into the left atrium?

Answer 8

Right pulmonary veins

Left pulmonary vein

Question 9

The left atrium is divided from the right atrium by the ______.

Answer 9

interatrial septum

Question 10

What is the name of the depression in the interatrial septum that marks the former location of the fetal opening?

Answer 10

Fossa ovalis

Question 11

The fetal opening in the interatrial septum is referred to as the what?

Answer 11

foramen ovale

Question 12

What vessel(s) carries blood out of the left ventricle?

Answer 12

Aorta

Question 13

The fossa ovalis is a depression in the _____.

Answer 13

interatrial septum

Question 14

The pulmonary trunk carries blood away from the _____.

Answer 14

right ventricle

Question 15

What structure allows blood to flow between the atria in the embryo and fetus?

Answer 15

Foramen ovale

Question 16

What vessel(s) exit(s) the right ventricle?

Answer 16

Pulmonary trunk

Question 17

The right and left ventricles are divided from each other by the what?

Answer 17

interventricular septum

Question 18

The fossa ovalis is a depression in the _____.

Answer 18

interatrial septum

Question 19

The valves that prevent the backflow of blood into the atria are called what?

Answer 19

atrioventricular or AV

Question 20

The valves that separate the upper and lower chambers of the heart are called ______ valves.

Answer 20

atrioventricular

Question 21

The structures that contract and prevent the AV valves from moving backward into the atria are called ______.

Answer 21

papillary muscles

Question 22

Which is another name for mitral valve?

Answer 22

Bicuspid

Question 23

Chordae tendineae attach valves to ______.

Answer 23

papillary muscles

Question 24

Papillary muscles tense the chordae tendineae just before ventricular ______.

Answer 24

contraction

Question 25

The valve that prevents backflow into the right ventricle is the ______ or the right semilunar valve.

Answer 25

pulmonary

Question 26

Blood exits the left ventricle through the ______ valve.

Answer 26

aortic semilunar

Question 27

The valves between the ventricles and great vessels are called ______ valves.

Answer 27

semilunar