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Exam 18: Cardiovascular System: Blood

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Question 1

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The formation of a web-like polymer of fibrin occurs late in the ________ pathway.

A) common
B) extrinsic
C) intrinsic

D) B) and C)
E) All of the above

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Question 2

Multiple Choice

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During platelet plug formation, platelets begin to stick to

A) collagen with the assistance of von Willebrand factor.
B) collagen with the assistance of prothrombin.
C) prostacyclin with the assistance of activated factor V.
D) prostacyclin with the assistance of thromboxane A2.
E) proconvertin with the assistance of factor IX.

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

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Question 3

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Which are characteristic of type Rh negative blood? A: Always has Rh (anti-D) antibodies B: Only under certain conditions will Rh (anti-D) antibodies be present C: Always has Rh (D) antigen D: Only under certain conditions will the Rh (D) antigen be present E: Is inherited independent of the ABO group

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

The hemoglobin found in erythrocytes is able to chemically attach to

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.

The heme group from the phagocytized erythrocyte is converted into a green pigment called ________.

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

Which clotting pathway involves the combining of thromboplastin (factor III) with factor VII and calcium?

The blood type of a person missing the surface antigen D is Rh-positive.

The type of leukocyte that is very active during a bacterial infection is a(n)

The ABO and Rh blood types are inherited independently of each other.

Which are characteristic of type A blood? A: Has anti-A antibodies B: Has anti-B antibodies C: Has surface antigen A on its erythrocytes D: Has surface antigen B on its erythrocytes E: Has neither surface antigen A nor B on its erythrocytes F: Will agglutinate with blood type B

The reason it is more appropriate to call an erythrocyte a "formed element" rather than a "cell" is that erythrocytes

Which are the most numerous of the leukocytes?

Plasma makes up about ________ percent of a centrifuged sample of whole blood.

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

During hemopoiesis, the lymphoid line forms lymphocytes only.

Two of the four globin chains in the hemoglobin molecule are called alpha chains and the other two are called ________ chains.

Which events occur during the recycling of aged or damaged erythrocytes? (Order is not important.) A: The heme group is converted into biliverdin. B: Bilirubin is placed in long-term storage in the liver. C: The iron ions in hemoglobin are removed. D: The iron ions are stored in the liver. E: The iron ions are stored in the red bone marrow. F: Membrane proteins and globin proteins are broken down and reused. G: The erythrocyte contents, excluding the globins, are excreted unchanged via the digestive tract.