Question 1

Serum is essentially identical to plasma except for the absence of __________.

Accepted Answer

A)  fibrinogen
B)  nitrogenous wastes
C)  platelets
D)  glucose
E)  albuminF) A) and D)
G) B) and C)

Question 2

The viscosity of blood is due more to the presence of __________ than to any other factor.

Accepted Answer

A)  fibrin
B)  albumin
C)  sodium
D)  erythrocytes
E)  nitrogenous wastesF) A) and B)
G) B) and D)

Question 3

The ABO blood group is determined by __________ in the plasma membrane of RBCs.

Accepted Answer

A)  glycolipids
B)  glycoproteins
C)  antibodies
D)  antigen-antibody complexes
E)  agglutininsF) B) and C)
G) D) and E)

Question 4

A person with type AB blood has __________ RBC antigen(s) .

Accepted Answer

A)  no
B)  anti-A and anti-B
C)  anti-A
D)  anti-B
E)  A and BF) A) and C)
G) C) and D)

Question 5

Hemostasis is the production of formed elements of blood.

Accepted Answer

A) True 
 B)False

Question 6

The structural framework of a blood clot is formed by __________.

Accepted Answer

A)  soluble fibrinogen
B)  soluble fibrin
C)  a fibrin polymer
D)  a fibrinogen polymer
E)  a thrombin polymerF) A) and B)
G) A) and C)

Question 7

Platelets release __________,a chemical vasoconstrictor that contributes to the vascular spasm.

Accepted Answer

A)  heparin
B)  thrombin
C)  thromboplastin
D)  prostacyclin
E)  serotoninF) B) and E)
G) B) and D)

Question 8

Which of the following might be injected into a patient who is prone to forming blood clots and therefore at risk of a heart attack or stroke?

Accepted Answer

A)  Thromboplastin
B)  Fibrinogen
C)  Fibrin
D)  Heparin
E)  Factor XF) B) and C)
G) A) and B)

Question 9

The liver stores excess iron in ferritin.

Accepted Answer

A) True 
 B)False

Question 10

The most important components in the cytoplasm of RBCs are hemoglobin and carbonic anhydrase.

Accepted Answer

A) True 
 B)False

Question 11

Where do most RBCs die?

Accepted Answer

A)  Stomach and small intestine
B)  Red bone marrow
C)  Spleen and liver
D)  Lymph nodes and thymus
E)  Stomach and liverF) All of the above
G) A) and B)

Question 12

A person develops anti-A antibodies only after he is exposed to antigen A,and anti-B antibodies only after he is exposed to antigen
B.

Accepted Answer

A) True 
 B)False

Question 13

Some lymphocytes can survive as long as __________.

Accepted Answer

A)  days
B)  weeks
C)  months
D)  years
E)  decadesF) A) and D)
G) B) and C)

Question 14

Circulating WBCs spend most of their lives in the bloodstream.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is not true of a patient with anemia?

Accepted Answer

A)  Their blood viscosity is increased.
B)  They are lethargic.
C)  Their blood osmolarity is reduced.
D)  Their resistance to blood flow is reduced.
E)  More fluid transfers from their bloodstream into their intercellular spaces.F) B) and E)
G) A) and D)

Question 16

When a clot is no longer needed,fibrin is dissolved by __________.

Accepted Answer

A)  prothrombin
B)  thromboplastin
C)  kallikrein
D)  plasmin
E)  platelet-derived growth factorF) C) and E)
G) None of the above

Question 17

Coagulation starts with a vascular spasm and ends with the formation of a platelet plug.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following are not secreted by platelets?

Accepted Answer

A)  Procoagulants
B)  Thrombopoietin
C)  Growth factors
D)  Vasoconstrictors
E)  Chemicals that attract neutrophilsF) A) and C)
G) None of the above

Question 19

Which of the following is not contained in the buffy coat?

Accepted Answer

A)  Lymphocytes
B)  Granulocytes
C)  Erythrocytes
D)  Agranulocytes
E)  PlateletsF) None of the above
G) B) and C)

Question 20

Where are most clotting factors synthesized in the body?

Accepted Answer

A)  Spleen
B)  Red bone marrow
C)  Perivascular tissue
D)  Kidneys
E)  LiverF) A) and D)
G) A) and C)

Exam 18: The Circulatory System: Blood

The ABO blood group is determined by __________ in the plasma membrane of RBCs.

Correct AnswerverifiedShow Answer

The viscosity of blood is due more to the presence of __________ than to any other factor.

Correct AnswerverifiedShow Answer

Which of the following are not secreted by platelets?

Correct AnswerverifiedShow Answer

Circulating WBCs spend most of their lives in the bloodstream.

Correct AnswerverifiedShow Answer

The structural framework of a blood clot is formed by __________.

Correct AnswerverifiedShow Answer

When a clot is no longer needed,fibrin is dissolved by __________.

Correct AnswerverifiedShow Answer

The liver stores excess iron in ferritin.

Correct AnswerverifiedShow Answer

The most important components in the cytoplasm of RBCs are hemoglobin and carbonic anhydrase.

Correct AnswerverifiedShow Answer

Where are most clotting factors synthesized in the body?

Correct AnswerverifiedShow Answer

Which of the following is not true of a patient with anemia?

Correct AnswerverifiedShow Answer

A person with type AB blood has __________ RBC antigen(s) .

Correct AnswerverifiedShow Answer

Some lymphocytes can survive as long as __________.

Correct AnswerverifiedShow Answer

Where do most RBCs die?

Correct AnswerverifiedShow Answer

A person develops anti-A antibodies only after he is exposed to antigen A,and anti-B antibodies only after he is exposed to antigen B.

Correct AnswerverifiedShow Answer

Hemostasis is the production of formed elements of blood.

Correct AnswerverifiedShow Answer

Which of the following might be injected into a patient who is prone to forming blood clots and therefore at risk of a heart attack or stroke?

Correct AnswerverifiedShow Answer

Which of the following is not contained in the buffy coat?

Correct AnswerverifiedShow Answer

Serum is essentially identical to plasma except for the absence of __________.

Correct AnswerverifiedShow Answer

Platelets release __________,a chemical vasoconstrictor that contributes to the vascular spasm.

Correct AnswerverifiedShow Answer

Coagulation starts with a vascular spasm and ends with the formation of a platelet plug.

Correct AnswerverifiedShow Answer

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