Deck 15: Blood

Question 1

Which of the following is most descriptive of a reticulocyte?

A) thrombocyte
15-PAGE 2
Test Bank
B) granulocyte
C) platelet
D) immature erythrocyte

Answer 1

immature erythrocyte

Question 2

TPA (tissue plasminogen activator)

A) prevents blood coagulation.
B) causes thrombocytopenia.
C) dissolves blood clots.
D) prevents the formation of a platelet plug.

Answer 2

dissolves blood clots.

Question 3

Which of the following is called extrinsic factor?

A) vitamin B₁₂
B) iron
C) heme
D) prothrombin

Answer 3

vitamin B₁₂

Question 4

Hemolysis causes

A) leukocytosis.
B) acidosis.
C) hyperbilirubinemia.
D) a prolonged prothrombin time and bleeding.

Question 5

An infection is most often accompanied by

A) thrombocytopenia.
B) anemia.
C) jaundice.
D) leukocytosis.

Question 6

Which of the following best describes prothrombin and fibrinogen?

A) thrombolytic agents
B) anticoagulants
C) clotting factors
D) plasminogen activators

Question 7

Which of the following is most associated with a blood clot?

A) agglutination
B) hemophilia
C) fibrin strands
D) Rh factor

Question 8

Which of the following causes granulocytopenia?

A) myelosuppression
B) hemolysis
C) infection
D) petechiae

Question 9

An antithrombin agent

A) causes jaundice.
B) prevents blood coagulation.
C) fights infection.
D) stimulates the synthesis of hemoglobin.

Question 10

Thrombocytopenia

A) refers to a deficiency of platelets.
B) is caused by myelosuppression.
C) may be accompanied by aplastic anemia and granulocytopenia.
D) all of the above.

Question 11

Erythropoietin

A) is secreted by the kidneys.
B) stimulates the bone marrow to produce RBCs.
C) is released in response to hypoxemia.
D) all of the above.

Question 12

Which of the following is an oxygen-carrying blood cell?

A) granulocyte
B) erythrocyte
C) thrombocyte
D) eosinophil

Question 13

Rapid breakdown of this blood cell causes jaundice.

A) granulocyte
B) platelet
C) red blood cell
D) lymphocyte

Question 14

Which of the following is the stimulus for the release of erythropoietin?

A) hypoxemia
B) low blood volume
C) low plasma pH (acidosis)
D) infection

Question 15

Monocytes and lymphocytes

A) contain hemoglobin.
B) are thrombocytes.
C) are nongranular leukocytes.
D) are hemostatic.

Question 16

Heme contains

A) albumin.
B) plasma.
C) iron.
D) erythropoietin.

Question 17

Which of the following is least associated with hemostasis?

A) coagulation
B) platelet plug
C) jaundice
D) blood vessel spasm

Question 18

Which blood cell fits this description: granulocytic,phagocytic,and motile?

A) thrombocyte
B) eosinophil
C) neutrophil
D) lymphocyte

Question 19

Which of the following is vitamin K-dependent?

A) heparin
B) erythropoietin
C) intrinsic factor
D) prothrombin

Question 20

Intrinsic factor

A) is necessary for the synthesis of prothrombin.
B) is a clotting factor.
C) is necessary for the absorption of vitamin B₁₂.
D) stimulates the bone marrow to produce red blood cells.

Question 21

Which of the following is related to the white blood cell?

A) phagocytosis
B) oxygen transport
C) hemoglobin
D) bilirubin

Question 22

Which of the following is caused by agglutination of the RBCs?

A) hemolysis
B) coagulation
C) crenation
D) hemostasis

Question 23

This type of blood is called the universal donor.

A) O
B) AB
C) A
D) B

Question 24

Which of the following can a person with type O blood safely receive?

A) A type
B) B type
C) AB type
D) O type

Question 25

What is the breakdown product of heme?

A) thrombin
B) plasmin
C) bilirubin
D) albumin

Question 26

Kernicterus is most related to elevated plasma levels of this substance.

A) iron
B) bilirubin
C) fibrinogen
D) albumin

Question 27

A decrease in the numbers of erythrocytes is called

A) granulocytopenia.
B) thrombocytopenia.
C) polycythemia.
D) anemia.

Question 28

What is the name of the condition that is caused by a diet that is deficient in iron?

A) leukopenia
B) anemia
C) jaundice
D) kernicterus

Question 29

Why may a person who has had a gastrectomy (removal of the stomach)develop pernicious anemia?

A) The lack of gastric hydrochloric acid causes myelosuppression.
B) Iron absorption is impaired.
C) A major source of erythropoietin has been removed.
D) Vitamin B₁₂ absorption is impaired because of the lack of intrinsic factor.

Question 30

Which anemia is associated with myelosuppression?

A) folic acid deficiency
B) hemolytic
C) aplastic
D) sickle cell

Question 31

Leukocytosis and leukopenia are

A) increased numbers of white blood cells.
B) decreased numbers of white blood cells.
C) abnormal numbers of white blood cells.
D) the result of myelosuppression.

Question 32

Which of the following is descriptive of a neutrophil?

A) platelet
B) phagocyte
C) plasma protein
D) oxygen carrier

Question 33

What is the normal pH of blood?

A) 7.00 to 7.45
B) 7.35 to 7.45
C) 6.92 to 7.25
D) 7.45 to 7.80

Question 34

Bilirubin is a breakdown product of

A) leukocytes.
B) neutrophils.
C) red blood cells.
D) platelets.

Question 35

Which of the following is most descriptive of the physiologic role of the "poly"?

A) oxygen transport
B) phagocytosis
C) bilirubin metabolism
D) clot dissolution

Question 36

Which of the following is descriptive of hyperbilirubinemia and kernicterus?

A) flushed
B) yellow
C) blue
D) ecchymotic

Question 37

Which of the following is characteristic of the platelet?

A) granulocyte
B) bilirubin
C) O2 transport
D) stickiness

Question 38

Which of the following is most related to biconcave disc,hemoglobin,and erythropoietin?

A) granulocyte
B) thrombocyte
C) "poly"
D) red blood cell

Question 39

Which type of blood is called the universal recipient?

A) O
B) AB
C) A
D) B

Question 40

This cell is the "parent cell" of the three types of blood cells produced in the bone marrow.

A) erythrocyte
B) leukocyte
C) stem cell
D) megakaryocyte

Question 41

Plasma

A) gives blood its red color.
B) is the primary oxygen-carrying part of the blood.
C) is considered intracellular fluid.
D) is the fluid part of the blood.

Question 42

Which of the following is most likely to be depressed in the myelosuppressed patient?

A) prothrombin
B) albumin
C) white blood cells
D) myelin sheath

Question 43

What does the hematocrit measure?

A) phagocytic activity
B) blood-clotting activity
C) percentage of red blood cells in the blood
D) the amount of bilirubin in the blood

Question 44

Which of the following is the most common cause of myelosuppression?

A) drugs,especially the anticancer drugs
B) bed rest
C) dietary deficiencies
D) hereditary abnormalities of the bone marrow

Question 45

The word icterus refers to

A) infection.
B) bleeding.
C) jaundice.
D) fever.

Question 46

Which function is most associated with fibrinogen,prothrombin,and calcium?

A) blood coagulation
B) platelet aggregation
C) fibrinolysis
D) blood cell production

Question 47

Which of the following is most likely to be caused by the immobility of bed rest?

A) venous thrombosis
B) hemophilia
C) anemia
D) myelosuppression

Question 48

What is another name for TPA (tissue plasminogen activator)?

A) anticoagulant
B) antiplatelet
C) "clot buster" (thrombolytic)
D) antihistamine

Question 49

Which of the following is most descriptive of the cause of hemophilia?

A) dietary-induced
B) hereditary
C) drug-induced myelosuppression
D) anemia of chronic renal failure

Question 50

Which of the following best characterizes the effects of hemophilia?

A) high fever
B) infection
C) jaundice
D) bleeding

Question 51

Donor blood is typed and crossmatched with the recipient's blood in order to prevent this condition.

A) infection
B) myelosuppression
C) agglutination
D) petechiae formation

Question 52

To which component of the red blood cell does oxygen loosely bind?

A) cell membrane
B) globin portion of the hemoglobin
C) iron molecule within heme
D) bilirubin component of the heme

Question 53

Which of the following is most likely to happen with the activation of plasminogen?

A) the blood clots,or coagulates
B) the blood clot dissolves
C) red blood cells agglutinate
D) jaundice develops

Question 54

Which of the following conditions is caused by an overdose of heparin or warfarin sodium (Coumadin)?

A) bleeding
B) infection
C) jaundice
D) thrombosis

Question 55

At the end of 120 days,the red blood cell

A) is removed from the circulation and broken down.
B) becomes known as a "poly".
C) becomes known as a reticulocyte.
D) is converted to fibrin.

Question 56

Which of the following is least descriptive of blood?

A) The average adult male has 4 to 6 L of blood.
B) The normal pH of blood is 7.35 to 7.45.
C) Oxygenated blood is redder than unoxygenated blood.
D) Water is 3 to 5 times more viscous than blood.

Question 57

Which of the following is necessary for prothrombin synthesis?

A) heparin
B) calcium
C) hemophilic factor
D) vitamin K

Question 58

Both the red blood cell and white blood cell

A) are classified as either granulocytes or agranulocytes.
B) contain iron that acts as a binding site for oxygen.
C) contain hemoglobin.
D) are produced in the bone marrow.

Question 59

Which of the following conditions is most likely to cause erythroblastosis?

A) The baby is Rh (-)and the mother is Rh (-).
B) The baby is Rh (+)and the mother is Rh (+).
C) The baby is Rh (+)and the mother is Rh (-).
D) The baby is Rh (+)and the mother is type A (+).

Question 60

Which of the following does the prothrombin time measure?

A) the amount of oxygen in the blood
B) clotting activity of the blood
C) bone marrow activity
D) the degree or intensity of jaundice

Question 61

Segs,polys,and band cells are

A) immature red blood cells.
B) agranulocytes.
C) fragments of megakaryocytes.
D) neutrophils.

Question 62

Petechiae formation

A) is characteristic of sickle cell anemia.
B) is most often prevented by a diet that is high in vitamin K.
C) refers to pinpoint hemorrhages under the skin.
D) is due to a deficiency of reticulocytes.

Question 63

Neutrophils,basophils,and eosinophils are all

A) lymphocytes.
B) granulocytes.
C) phagocytic.
D) heparin-secreting.

Question 64

Erythroblastosis fetalis is primarily a problem involving

A) myelosuppression.
B) lack of intrinsic factor.
C) inability of the kidneys to secrete erythropoietin.
D) agglutination and hemolysis.

Question 65

This anticoagulant is secreted by mast cells (basophils).

A) plasmin
B) EPO
C) vitamin K
D) heparin

Question 66

Which group is incorrect?

A) plasma proteins:albumin,fibrinogen,globulins
B) antigens:A,B,Rh factor
C) types of anemia:iron deficiency,pernicious,sickle cell
D) white blood cells:granulocytes,agranulocytes,megakaryocytes

Question 67

Which group is incorrect?

A) results of myelosuppression:granulocytopenia,aplastic anemia,hemophilia
B) antigens:A,B,Rh factor
C) white blood cells:granulocytes,agranulocytes
D) plasma proteins:albumin,fibrinogen,globulins

Question 68

Which group is incorrect?

A) steps in hemostasis:blood vessel spasm,platelet plug,coagulation
B) antigens:A,B,Rh factor
C) blood cells:fibrinogen,albumin,globulins
D) types of anemia:iron deficiency,pernicious,sickle cell

Question 69

Which of the following is most similar to fibrinolysis?

A) coagulation
B) petechiae formation
C) myelosuppression
D) thrombolytic effect

Question 70

Prothrombin,thrombin,and fibrinogen

A) form the platelet plug.
B) activate factor VIII (antihemophilic factor).
C) are involved in coagulation.
D) are responsible for agglutination.