Vessels/Immune quizes

Question 1

What specific type of artery is found closest to the heart?

Answer 1

elastic arteries

Question 2

What is the clinical condition where the valves in the veins become weak and leaky?

Answer 2

varicose veins

Question 3

Valves are present in:

a. Arteries
b. Arterioles
c. Veins
d. Capillaries
e. All of the above except capillaries

Answer 3

c. Veins

Question 4

The center controlling the diameter of arterioles is located in the:

Answer 4

c. medulla oblongata.

Question 5

Blood flow increases if:

a. Sympathetic stimulation to vessels with alpha adrenergic receptors increases
b. Parasympathetic stimulation to the heart increases
c. Blood viscosity increases
d. Vasodilation increases
e. Net filtration pressure increases

Answer 5

d. Vasodilation increases

Question 6

Which of the following contains the greater volume of blood?

a. the normal blood volume of the arterial system
b. the normal blood volume of the venous system

Answer 6

b. the normal blood volume of the venous system

Question 7

An abnormal increase in RBC’s or plasma proteins is likely to cause the blood pressure to:

a. increase.
b. decrease.
c. remain unchanged.

Answer 7

a. increase.

Question 8

Capillaries whose plasma membranes have many holes or pores are called:

a. vasa vasorum.
b. continuous capillaries.
c. incomplete capillaries.
d. sinuses.
e. fenestrated capillaries.

Answer 8

e. fenestrated capillaries.

Question 9

Which of the following structures is primarily responsible for regulating blood flow within the capillary beds:

a. Fenestrations
b. Anastomoses
c. Sinusoids
d. Precapillary sphincters
e. Thoroughfare channels

Answer 9

d. Precapillary sphincters

Question 10

The reduction in diameter of the lumen of an artery due to formation of fatty deposits in its wall is called:

a. aneurysm.
b. arteriosclerosis.
c. thrombophlebitis.
d. atherosclerosis.

Answer 10

d. atherosclerosis.

Question 11

The muscular layer of a blood vessel is the:

a. tunica interna.
b. tunica externa.
c. tunica adventitia.
d. tunica media.

Answer 11

d. tunica media.

Question 12

Select the correct sequence of blood flow.

a. artery - arteriole - capillaries - venule - vein b. artery - venule - capillaries - vein
c. artery - arteriole - venule - capillaries - vein
d. artery - capillaries - arteriole - venule - vein

Answer 12

a. artery - arteriole - capillaries - venule - vein

Question 13

Where would the payers patch be found?

Answer 13

small intestine

Question 14

What is the function of a secondary lymphatic organ?

Answer 14

immune response

Question 15

What body fluid does the spleen filter?

Answer 15

blood

Question 16

Name the blood vessel that the right lymphatic duct drains into

Answer 16

right subclavian vein

Question 17

Which of the following are involved in the specific immune response?

a. Plasma cells
b. microphages
c. Natural killer cells
d. Sebum
e. Monocytes

Answer 17

a. Plasma cells

Question 18

The composition of lymph is most similar to:

a. interstitial fluid
b. water
c. cytosol
d. serum
e. intestinal juice

Answer 18

a. interstitial fluid

Question 19

_____ is when pathogens enter the body and multiply.

Answer 19

infection

Question 20

People who are confined to bed for long periods of time often develop edema because

Answer 20

b. without skeletal muscle contraction to force lymph through lymphatic vessels, fluid tends to accumulate in interstitial spaces

Question 21

The thoracic duct empties lymph into the:

a. left subclavian vein
b. right lymphatic duct
c. right atrium of the heart
d. ventricles of the brain
e. cisterna chyli

Answer 21

a. left subclavian vein

Question 22

Inflammation produces localized:

a. swelling.
b. redness.
c. heat.
d. pain.
e. all of the above

Answer 22

e. all of the above

Question 23

After phagocytosis, which cellular organelle attaches to the phagosome and digests it?

Answer 23

lysosome

Question 24

Which of the following is NOT generally considered a defensive mechanism against disease?

a. sebum
b. intact dermis
c. fever
d. phagocytosis
e. glycolysis

Answer 24

e. glycolysis

Question 25

Is the appendix:

a. lymph organ
b. lymph tissue

Answer 25

b. lymph tissue

Question 26

Antibodies are produced by

Answer 26

b. plasma cells

Question 27

Cancer cells and virus-infected cells can be killed before activation of the specific immune system by

Answer 27

c. natural killer cells