Vessels/Immune quizes Flashcards
What specific type of artery is found closest to the heart?
elastic arteries
What is the clinical condition where the valves in the veins become weak and leaky?
varicose veins
Valves are present in:
a. Arteries
b. Arterioles
c. Veins
d. Capillaries
e. All of the above except capillaries
c. Veins
The center controlling the diameter of arterioles is located in the:
c. medulla oblongata.
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
d. Vasodilation increases
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
b. the normal blood volume of the venous system
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. increase.
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.
e. fenestrated capillaries.
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
d. Precapillary sphincters
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.
d. atherosclerosis.
The muscular layer of a blood vessel is the:
a. tunica interna.
b. tunica externa.
c. tunica adventitia.
d. tunica media.
d. tunica media.
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. artery - arteriole - capillaries - venule - vein
Where would the payers patch be found?
small intestine
What is the function of a secondary lymphatic organ?
immune response
What body fluid does the spleen filter?
blood
Name the blood vessel that the right lymphatic duct drains into
right subclavian vein
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. Plasma cells
The composition of lymph is most similar to:
a. interstitial fluid
b. water
c. cytosol
d. serum
e. intestinal juice
a. interstitial fluid
_____ is when pathogens enter the body and multiply.
infection
People who are confined to bed for long periods of time often develop edema because
b. without skeletal muscle contraction to force lymph through lymphatic vessels, fluid tends to accumulate in interstitial spaces
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. left subclavian vein
Inflammation produces localized:
a. swelling.
b. redness.
c. heat.
d. pain.
e. all of the above
e. all of the above
After phagocytosis, which cellular organelle attaches to the phagosome and digests it?
lysosome
Which of the following is NOT generally considered a defensive mechanism against disease?
a. sebum
b. intact dermis
c. fever
d. phagocytosis
e. glycolysis
e. glycolysis
