Chapter 17 and 18 - Heart and Blood

Question 1

Which of the following activities heart sounds are normly chiefly associated?

Answer 1

Closure of heart valves

Question 2

Which heart chambers forms most of the hearts anterior surface?

Answer 2

Right ventricle

Question 3

The heart chamber that pumps oxygenated around the systemic circuit is the?

Answer 3

Left ventricle

Question 4

Of the three layers of the heart wall, the layer that contains the cardiac muscle is the?

Answer 4

Myocardium

Question 5

During the left ventricle systole, blood exits the heart to enter the?

Answer 5

Aorta

Question 6

What structures anchor the chordae tendinae?

Answer 6

Papillary muscles

Question 7

Blood returning to the heart from the head region would enter the heart through which vessle?

Answer 7

The superior vena cava

Question 8

Blood is carried to the capillaries in the myocardium by the way of?

Answer 8

Coronary arteries

Question 9

The right ventricle pupms blood in to which vessel?

Answer 9

Pulmonary trunk

Question 10

The semilunar valves are closed when?

Answer 10

The ventricles are relaxing

Question 11

Blood within the pulmonary veins returns to the?

Answer 11

Left atrium

Question 12

The heart chamber with the thickest wall is the?

Answer 12

The Left Ventricle

Question 13

The epicardium is the?

Answer 13

Visceral layer of serous pericardium

Question 14

Which of the following is not a part of the conduction system of the heart?

Answer 14

AV Valve

Question 15

The three arteries that branch from the aortic arch are the?

Answer 15

Brachicephalic, left subclavian, and left common carotid arteries

Question 16

Fenestrated capillaries?

Answer 16

Have pores in their walls

Question 17

Blood pressure is the highest in the?

Answer 17

Elastic fibers

Question 18

The abdominal aorta divides at its distal end into which arteries?

Answer 18

Common iliac arteries

Question 19

The circulatory route that runs from the digestive tract to the liver is called?

Answer 19

Hepatic portal circulation

Question 20

Semilunar valves are located?

Answer 20

Between ventricles and the great arteries

Question 21

The “heart strings” are?

Answer 21

Chordae tendinae

Question 22

The inner endothelial layer that lines the heart is the?

Answer 22

Endocardium

Question 23

Which layer of blood vessels contains smooth muscle tissue?

Answer 23

Tunica media

Question 24

Most small molecules pass through a capillary wall through which route?

Answer 24

Intercellular clefts

Question 25

The blood vessels that are also distributing blood vessels are also called the?

Answer 25

Muscular arteries

Question 26

What prevents backflow of blood in veins?

Answer 26

Valves