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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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A differential blood count _____. |
Indicates the relative percentages of each type of white blood cell |
a. Tells conclusively what disease a patient has b. Indicates the relative percentages of each type of cellular element in the blood c. Reveals the proportion of packed red blood cell volume to total blood volume d. Indicates the relative percentages of each type of white blood cell |
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Prolonged hypoxia results in increased red blood cell production, via upregulation of the hormone _____. |
Erythropoietin |
a. Interleukin b. Erythropoietin c. Thrombopoietin d. Hematopoietin |
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Erythrocytes function primarily to _____. |
Transport respiratory gases between the lungs and tissues |
a. Prevent anemia. b. Transport nutrients to the different organs throughout the body c. Prevent hemorrhaging. d. Transport respiratory gases between the lungs and tissues |
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Which of the following is true about hemoglobin? |
Hemoglobin binds plasma glucose and is a good indicator of long-term glucose levels for diabetics. |
a. Hemoglobin is a plasma protein. b. All four globins of hemoglobin are centered around a single iron atom. c. Hemoglobin binds plasma glucose and is a good indicator of long-term glucose levels for diabetics. d. A deficiency in hemoglobin is called jaundice and results in decreased oxygen transport in the blood. |
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Polycythemia vera is characterized by _____. |
Overproduction of blood cells resulting in increased blood viscosity |
a. Overproduction of blood cells resulting in increased blood viscosity b. Hemoglobin that crystallizes when it releases oxygen c. Abnormally shaped cells that block small blood vessels d. Low hematocrit |
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The enzyme plasmin _____. |
Is trapped within the platelet plug as it is formed, causing fibrinolysis, thereby slowly dissolving the clot |
a. Crystallizes fibrin b. Is trapped within the platelet plug as it is formed c. Can damage blood vessels by eroding endothelial cells d. Is trapped within the platelet plug as it is formed, causing fibrinolysis, thereby slowly dissolving the clot |
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The coagulation pathway that is initiated with the appearance of tissue factor is the _____ pathway. |
Extrinsic |
a. Intrinsic b. Intrinsic and common c. Common d. Extrinsic |
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Neutropenias may be treated by stimulating _____. |
Leukopoiesis |
a. Erythropoiesis b. Thrombopoiesis c. Hematopoiesis d. Leukopoiesis |
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Which of the following does not increase platelet adhesion? |
Tissue plasminogen factor |
a. Thromboxane A2 b. Tissue plasminogen factor c. Integrins d. Platelet-activating factor |
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Which statement is INCORRECT regarding plasma? |
Plasma is identical in composition to interstitial fluid. |
a. Albumin is the most prevalent plasma protein. b. Plasma is identical in composition to interstitial fluid. c. The presence of proteins in the plasma makes the osmotic pressure higher than that of the interstitial fluid. d. Plasma is the fluid portion of the blood. |
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The percentage of total blood volume occupied by packed red blood cells is called ______. |
Hematocrit |
a. Mean red cell volume b. Hematopoiesis c. Platelet count d. Hematocrit |
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Which of the following statements is true? |
Thromboxane A2 plays a role in platelet aggregation. |
a. Serotonin is a vasodilator. b. Thromboxane A2 plays a role in platelet aggregation. c. Platelet-activating factor decreases capillary permeability. d. Collagen is activated by or released in response to platelet activation. |
