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Exam 18: Cardiovascular System: Blood

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Question 61

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A _______________ (singular)is the name for the cylinder shape that erythrocytes form as they line up in single file for passage through the smallest blood vessels.

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Question 62

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If a patient becomes dehydrated,the percentage of plasma in a centrifuged sample of his or her blood would likely

A) increase.
B) decrease.
C) not change.

D) None of the above
E) All of the above

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Question 63

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Leukocytes are the _______ of the formed elements,and leukocytes have ______________.

During hemopoiesis,the lymphoid line forms lymphocytes only.

Explain how the body tries to maintain enough blood pressure to keep the most vital organs functioning after a catastrophic loss of over 10% of total blood volume.

The most numerous of the formed elements are the

The iron of the heme unit of hemoglobin is transported in the blood by the protein _________________ after the aged erythrocytes are phagocytized.

The antigen-antibody reaction is an example of the regulation function of blood.

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

The production of leukocytes is called _______________.

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

Which are characteristics of type O blood A: Has anti-A antibodies B: Has anti-B antibodies C: Has surface antigen O on its erythrocytes D: Has surface antigen A on its erythrocytes E: Has neither surface antigen A nor B on its erythrocytes

-In the centrifuged sample of blood illustrated,number 2 indicates

To compensate for significant blood loss,the autonomic nervous system triggers

Among the three categories of lymphocytes,it is the _____________ killer cells that attack abnormal and infected tissue cells.

Which term best describes the function of blood when considering the presence of leukocytes and antibodies

As a platelet plug forms at an injury site,platelets become activated and their cytosol

The first phase in hemostasis is

Typically,an adult's body contains _______ of blood.

The growth factor that increases the formation of erythrocytes,all classes of granulocytes,monocytes,and platelets from myeloid stem cells is