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Exam 18: Cardiovascular System: Blood

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Question 51

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Sodium, calcium, and bicarbonate are all described as plasma

A) solvents.
B) nutrients.
C) electrolytes.
D) proteins.
E) formed elements.

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

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Question 52

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________ are the most numerous type of leukocyte in the blood.

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Question 53

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For a relatively small injury, a platelet plug is formed within 1 minute.

Natural killer cells derive from T-lymphoblasts and monocytes derive from the granulocyte line.

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

Which of the following is a step within the common pathway of blood clotting?

The viscosity of blood is ________ proportional to the number of erythrocytes and ________ proportional to the amount of fluid.

In fetal development, hemocytoblasts begin to colonize red mone marrow at approximately

The globulins make up about ________ percent of all plasma proteins.

If one of your classmates comes down with mononucleosis, he will probably notice that his neck and axillary area are tender. A differential white count would reveal an unusually high level of one type of leukocyte. Which leukocyte proliferates and how does activation of this leukocyte change its appearance? How would this relate to the axillary tenderness?

Blood plasma is slightly ________; if pH drifts out of the normal range, dire consequences can result from alterations in the structure of ________.

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

When trying to diagnose an infection that alters the percentages of leukocyte types found in the blood, it is useful for clinicians to perform a

Aged erythrocytes are phagocytized in the liver and spleen by cells called ________.

A reticulocyte is a cell formed during erythropoiesis that has lost its nucleus and all organelles except some ribosomes.

When over 10% of the body's blood has been lost, a survival response occurs involving activation of the ________ nervous system.

Old erythrocytes are phagocytized in the

If agglutination occurs after a blood transfusion, it may indicate

Making up 2 to 4 percent of the leukocytes, the ________ increase in number when they react to or phagocytize antigen-antibody complexes or allergens.

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.