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Exam 18: Cardiovascular System: Blood

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Question 41

Multiple Choice

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The first phase of hemostasis involves

A) blood vessel dilation.
B) blood vessel constriction.
C) release of procoagulants.
D) fibrinolysis.

E) A) and B)
F) A) and C)

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Question 42

Multiple Choice

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Which is going to result in significant agglutination?

A) Donor is type A, recipient has antibody anti-B
B) Donor is type B, recipient has antibody anti-A
C) Donor is type O, recipient is Type O
D) Donor is type A, recipient is type AB
E) Donor is type AB, recipient is type B

F) B) and E)
G) A) and E)

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Question 43

Multiple Choice

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The "buffy coat" in a centrifuged blood sample is composed of

Which are characteristic of leukocytes? A: Smaller than erythrocytes B: Have a nucleus C: Have no hemoglobin D: More numerous than erythrocytes E: Depending on type, may or may not contain granules

Beta-globulins transport ________, whereas gamma-globulins are ________.

Which leukocytes are granulocytes? A: Neutrophils B: Eosinophils C: Lymphocytes D: Monocytes E: Basophils F: Erythrocytes

Platelets are formed elements.

Fibrin, which is produced from the plasma protein ________, helps form blood clots.

The molecule to which both oxygen and carbon dioxide can attach in an erythrocyte is called ________.

A malnourished person might have abnormally low levels of plasma proteins. As a result, colloid osmotic pressure

The iron that has been transferred to the liver after the aged erythrocytes were phagocytized is stored by the protein ________.

Compared to young adults, older individuals have relatively less red bone marrow.

The clinical definition of the hematocrit refers to the percentage of

When actinomyosin of platelets contracts and squeezes the serum out of a clot, the process is called clot ________.

________ is the attraction of leukocytes to a site of infection due to the presence of molecules released by damaged cells, dead cells, or invading pathogens.

The carbon dioxide molecules that bind to the hemoglobin molecule are attached to the ________ units.

Which most closely approximates the percentage of water in plasma by weight?

Vascular spasm is triggered by blood vessel injury and further triggered by the release of serotonin.

The most numerous of the formed elements are the

Macrophages are the converted monocytes that phagocytize bacteria, cell fragments, dead cells, and debris.