Anatomy Chapter 13

Question 1

Which blood vessels carry blood away from the heart?

Answer 1

Arteries

Question 2

How many chambers are found in the human heart?

Answer 2

Four

Question 3

Which blood vessel type is involved in the exchange of oxygen and nutrients with the tissues of the body?

Answer 3

Capillaries

Question 4

The chamber responsible for pumping blood to the body’s various organs is the _______________

Answer 4

Left Ventricle

Question 5

The _______________ side of the heart pumps blood to the lungs.

Answer 5

Right

Question 6

The _______________ valve is located between the right atrium and right ventricle.

Answer 6

Tricuspid

Question 7

What is the purpose of having valves in the heart? Why are leaks in these valves potentially life threatening?

Answer 7

Prevents backflow of blood that would reduce volumes. Leaks would reduce cardiac output and could cause a backup of blood into the lungs and body tissues.

Question 8

During ventricular systole, the _________________________ valves are closed.

Answer 8

atrioventricular

Question 9

Blood returns to the heart from the body via the vena cavae and into the:

Answer 9

right atrium.

Question 10

The main pacemaker of the heart is the _________________________

Answer 10

SA node

Question 11

Cardiac valves close due to

Answer 11

pressure.

Question 12

The contraction phase of the heart is termed _______________, and the relaxation phase is termed _______________.

Answer 12

systole, diastole

Question 13

The _______________ arteries supply the heart with oxygen and nutrients

Answer 13

coronary

Question 14

Which cell type does not belong in this group?

Erythrocyte

Lymphocyte

Monocyte

Eosinophil

Answer 14

Erythrocyte

Question 15

What substance found in red blood cells is responsible for oxygen transport?

Answer 15

Hemoglobin

Question 16

Which of the formed elements is responsible for defending against parasites?

Answer 16

Eosinophils

Question 17

This important plasma protein helps maintain fluid balance in your blood: _______________

Answer 17

albumin

Question 18

Lymphocytes and monocytes belong to this classification of white blood cells: _______________

Answer 18

mononuclear agranulocytes

Question 19

An important plasma protein that is important for controlling fluid balance is _______________, while another protein that is needed for blood clotting is

Answer 19

albumin, fibrinogen

Question 20

Neutrophils destroy invading pathogens by engulfing them in a process called _______________.

Answer 20

phagocytosis

Question 21

The universal donor blood type is:

Answer 21

O

Question 22

Blood type AB has _______________ antigens and _______________ antibodies.

Answer 22

A and B; no

Question 23

A type of unwanted blood clot is a(n):

Answer 23

thrombus.

Question 24

Blood clotting is dependent on a series of proteins called

Answer 24

clotting factors.

Question 25

What chemical directly causes the conversion of fibrinogen to fibrin?

Answer 25

Thrombin

Question 26

When antigens stick together or form clumps it is termed _______________.

Answer 26

Agglutination

Question 27

The vitamin needed for normal clotting is vitamin _______________.

Answer 27

vitamin K

Question 28

The smallest form of arteries are:

Answer 28

arterioles.

Question 29

Vasoconstriction controls BP by causing

Answer 29

increased peripheral resistance.

Question 30

Which of the following is a regulator of BP?

Fluid volume

Cardiac output

Peripheral resistance

All of the above

Answer 30

All of the above

Question 31

List the three layers commonly found in a blood vessel:

Answer 31

tunica interna, tunica media, tunica externa

Question 32

The _______________ is the layer of blood vessels that changes the diameter of vessels, controlling peripheral resistance.

Answer 32

tunica media

Question 33

The term used for the force of a heart contraction is _______________.

Answer 33

inotropism

Question 34

A _____________ is a cuff used to measure blood pressure in a major artery.

Answer 34

BP cuff