Vessels/Immune quizes Flashcards Preview

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Flashcards in Vessels/Immune quizes Deck (27)
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1
Q

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

A

elastic arteries

2
Q

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

A

varicose veins

3
Q

Valves are present in:

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

A

c. Veins

4
Q

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

A

c. medulla oblongata.

5
Q

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

A

d. Vasodilation increases

6
Q

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

A

b. the normal blood volume of the venous system

7
Q

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

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

A

a. increase.

8
Q

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.

A

e. fenestrated capillaries.

9
Q

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

A

d. Precapillary sphincters

10
Q

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.

A

d. atherosclerosis.

11
Q

The muscular layer of a blood vessel is the:

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

A

d. tunica media.

12
Q

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

A

a. artery - arteriole - capillaries - venule - vein

13
Q

Where would the payers patch be found?

A

small intestine

14
Q

What is the function of a secondary lymphatic organ?

A

immune response

15
Q

What body fluid does the spleen filter?

A

blood

16
Q

Name the blood vessel that the right lymphatic duct drains into

A

right subclavian vein

17
Q

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

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

A

a. Plasma cells

18
Q

The composition of lymph is most similar to:

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

A

a. interstitial fluid

19
Q

_____ is when pathogens enter the body and multiply.

A

infection

20
Q

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

A

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

21
Q

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

A

a. left subclavian vein

22
Q

Inflammation produces localized:

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

A

e. all of the above

23
Q

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

A

lysosome

24
Q

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

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

A

e. glycolysis

25
Q

Is the appendix:

a. lymph organ
b. lymph tissue

A

b. lymph tissue

26
Q

Antibodies are produced by

A

b. plasma cells

27
Q

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

A

c. natural killer cells