Quiz 9

Question 1

What leaves the left ventricle?

Answer 1

Aorta.

Question 2

What is a hormone that speeds up maturation of red blood cells?

Answer 2

Erythropoietin.

Question 3

What is a vessel with the most smooth muscle?

Answer 3

Artery.

Question 4

What is a vessel receiving deoxygenated blood from capillaries?

Answer 4

Venule.

Question 5

What vessel holds the most blood volume?

Answer 5

Vein.

Question 6

What is not a function of plasma proteins?

Answer 6

Carry 02.

Question 7

What cells lack a nucleus when mature?

Answer 7

Red blood cells.

Question 8

Anemia is not concerned with a lack of what?

Answer 8

Neutrophils.

Question 9

What is a granular leukocyte and fights parasitic worms?

Answer 9

Eosinophils.

Question 10

What is a granular leukocyte that releases histamines?

Answer 10

Basophils.

Question 11

What is an agranular leukocyte that capture microbes but also call in other white blood cells?

Answer 11

Dendritic cells.

Question 12

Megakaryocytes are responsible for producing what?

Answer 12

Platelets.

Question 13

Damaged blood vessels can release what activator to commence with clotting?

Answer 13

Prothrombin.

Question 14

To finally seal a cut, what combines with red blood cells?

Answer 14

Fibrin.

Question 15

What is the most tissue of the heart?

Answer 15

Myocardium.

Question 16

What separated the right and left sides of the heart?

Answer 16

The septum.

Question 17

The atrioventricular valve on the right is called what?

Answer 17

The tricuspid valve.

Question 18

What is not a semilunar valve: chordae, pulmonary, aortic.

Answer 18

Chordae.

Question 19

What sends blood to the pulmonary circuit?

Answer 19

Right ventricle.

Question 20

What sends 02 rich blood to the rest of the body?

Answer 20

Left ventricle.

Question 21

The cardiac output is a measurement of what per minute?

Answer 21

Left ventricle.

Question 22

The “dub” of the “Lub dub” has to do with what valves closing?

Answer 22

Semilunar

Question 23

The ______ node will take over if the _____ node fails. Result is a slower heartbeat.

Answer 23

AV/SA.

Question 24

Both the SA and the AV nodes are found where in the heart?

Answer 24

Right atrium.

Question 25

What node helps regulate the contraction of the atria?

Answer 25

SA.

Question 26

The pulmonary circuit concerns what side of the heart?

Answer 26

Right.

Question 27

What system is when blood circulation begins and ends in capillaries?

Answer 27

Portal.

Question 28

The hepatic portal system has capillaries that go first where? Then to a vein and capillaries again and meet where?

Answer 28

Small intestine/liver.

Question 29

Define diastole.

Answer 29

Relaxation of the heart muscle.

Question 30

Define systole.

Answer 30

Contraction of the heart muscle.

Question 31

List two ways that veins carry blood back to the heart.

Answer 31

Skeletal muscle contraction,

Valves to prevent back flow and direct blood toward the heart.

Question 32

Briefly state what the systemic circuit does.

Answer 32

Circulate blood throughout the whole body excluding the lungs.

Question 33

Briefly describe angioplasty and compare with angioplasty involving stents.

Answer 33

Angioplasty is where a balloon is inserted into and artery to stretch it and prevent blockage and buildup. Balloon will collapse.
With a stent, balloon and stent are inserted, balloon collapsed but stent will remain.

Question 34

List the steps that occur when a heartbeat occurs.

Answer 34

Measured by both atrium contracting, both ventricles contracting, then all relax. SA node initiates heartbeat and contracts right atrium, and AV node contracts atrium.

Question 35

What occurs at arterial end of a capillary bed and why?

Answer 35

Water leaves the capillary because blood pressure is higher inside than outside.

Question 36

What is an arteriovenous shunt?

Answer 36

Between capillary beds, allowing blood to bypass beds so movement of blood from arterioles goes directly to venules.