Exam Review: Blood

1) The matrix of blood is called A) buffy coat B) plasma C) erythrocytes D) formed elements E) lymphocytes

B

10) There are an average of WBCs per cubic millimeter of whole blood A) 100-1000 B) 4000-11,000 C) 10,000-20,000 D) 50,000-100,000 E) 1 million-3 million

B

18) Blood cell formation in adults occurs in all of the following EXCEPT the: A) flat bones of the pelvis B) shaft of the femur C) proximal epiphyses of the humerus and femur D) flat bones of the skull E) the epiphyseal plates

B

37) A substance that stimulates the immune system to release antibodies: A) antibody B) antigen C) interleukin D) fibrinogen E) prothrombin activator

B

9) Excessive erythrocytes result in A) sickle cell anemia B) polycythemia C) pernicious anemia D) leukocytosis E) leukopenia

B

A clot that breaks away from a vessel wall and circulates freely within the bloodstream is called30) a(n): A) thromboplastin B) embolus C) clotting cascade D) fibrin E) thrombus

B

Normal whole blood contains how many grams of hemoglobin per 100 mL A) 4-8 B) 12-18 C) 15-20 D) 30-35 E) 42-48

B

11) Which one of the following is NOT true of WBCs: A) they account for less than 1 percent of total blood volume B) they use diapedesis to move in and out of blood vessels C) they initiate the clotting proces D) they locate areas of tissue damage through chemotaxis E) they move by ameboid motion

C

20) The average functional lifespan of an RBC is: A) 50-75 days B) 20-30 days C) 100-120 days D) the body's lifetime E) one year

C

33) The ion essential for blood clotting is A) iodine B) hydrogen calcium D) sodium E) potassium

C

Bleeding disorders often result from a lack of which one of the following vitamins: A) vitamin D B) vitamin A C) vitamin K D) vitamin B12 E) vitamin C

C

The universal recipient has blood type A) A B) B C) AB D) ABO

C

sequence of hemostasis: 25) Which one of the following represents the proper A) platelet plug formation, coagulation, vascular spasm B) vascular spasm, coagulation, platelet plug formation C) vascular spasm, platelet plug formation, coagulation D) coagulation, platelet plug formation, vascular spasm E) coagulation, vascular spasm, platelet plug formation

C

- clot is formed during the process of hemostasis. A) thrombin B) fibrinogen O thromboplastin D) fibrin

D

Compatibility testing for agglutination of donor RBCs by the recipients' serum is called: A) hemodialysis B) blood typing C) hemolysis D) cross matching E) transfusion reaction

D

Severe shock occurs with blood loss of A) over 20 percent B) over 50 percent C) over 10 percent D) over 30 percent E) over 5 percent

D

Which of the following is a blood clotting disorder A) leukopenia B) polycythemia C) anemia D) hemophilia

D

ABO blood groups are based on the presence of : A) A antigens B) B antigens C) O antigens D) A, B, and O antigens E) A and B antigens

E

Anemias appearing in old age result from all of the following EXCEPT A) leukemia B) drug therapy C) nutritional deficiencies D) vitamin deficiencies E) erythrocyte mutations

E

The temperature of blood is slightly lowerthan body temperature.

False

All formed elements arise from a common type of stem cell alled a hemocytoblast.

True

abnormally low WBC count is called leukopenia.

True

Contain histamine

basophils

Increase during allergy attacks

eosinophils

Form B and T lymphocytes

lymphocytes

Produce antibodies

lymphocytes

Active phagocytes that become macrophages

monocytes

Long-term clean-up team"

monocytes

Active phagocytes that increase rapidly during acute infection

neutrophils

13) The type of leukocytes that would increase rapidly during allergy attacks and infections of parasitic worms are: A) eosinophils B) monocytes C) lymphocytes D) basophils E) neutrophils

A

14) The most numerous white blood cells are the: A) neutrophils B) basophils C) monocytes D) eosinophils E) lymphocytes

A

21) An immature RBC is called a: A) reticulocyte B) granulocyte C) hemocytoblast D) megakaryocyte E) agranulocyte

A

22) The hormone that regulates the rate of erythrocyte production is calleds A) erythropoietin B) thrombopoietin C) renin D) vasopressin E) leukopoietin

A

3) Which one of the following is NOT a physical characteristic of blood: A) sweet tasting B) heavier than water C) opaque D) sticky E) alkaline

A

A) basophil Which type of leukocyte contains heparin, an anticoagulant: B) neutrophil C) eosinophil D) monocyte E) lymphocyte

A

Treatment of hemophilia often involves A) transfusion of plasma and vitamin K supplements B) injections of missing clotting factors and B12 injections C) transfusion of plasma or injections of missing clotting factor D) vitamin K supplements and B12 injections E) vitamin K supplements only

A

Which of blood these type O blood types carries no antigens: A) blood type O B) blood type B C) blood type AB D) blood types A, B, and AB E) blood type A

A

39) Which antigen(s) does type AB blood contain: A) A antigen B) A and B antigens C) B antigen D) no antigens E) sometimes A antigens, other times B antigens

B

4) Which one of the following does NOT describe blood plasma: A) it contains metal ions (salts) B) it is the color of red wine C) it contains plasma proteins D) its pH is 7.35 to 7.45 E) it contains hormones

B

8) Which of the following is not a type of red blood cell disorder? A) sickle cell anemia B) leukemia C) polycythemia D) pernicious anemia B) aplastic anemia

B

Which blood type(s) can a person with blood type O receive: A) blood type AB B) blood types A, B, AB, or O C) blood type O D) blood type B E) blood type A

C

12) Which one of the following groups consist of granulocytes A) basophils and eosinophils B) neutrophils, lymphocytes, and eosinophils C) lymphocytes and monocytes D) neutrophils, eosinophils, and basophils E) eosinophils and monocytes

D

16) The type of leukocytes that become macrophages in the tissues are: A) eosinophils B) lymphocytes C) neutrophils D) monocytes E) basophils

D

17) Platelets are fragments of multinucleate cells called A) erythrocytes B) macrophages C) basophils D) megakaryocytes E) eosinophils

D

2) In a centrifuged blood sample, the buffy coat between the formed elements and the plasma contains : A) platelets and erythrocytes B) eythrocytes only C) leukocytes only D) leukocytes and platelets E) leukocytes and erythrocytes

D

23) Megakaryocytes pinch off anucleate fragme nts called A) agranulocytes B) erythrocytes C) neutrophils D) platelets B) granulocytes

D

26) Which chemical is released to bring about vasoconstriction during the vascular spasm phase of hemostasis: A) erythropoietin B) serotonin C) thrombopoietin D) interleukin E) renin

D

27) Blood normally clots in approximately A) 1 minute B) 30 minutes C) 15 minutes D) 3 to 6 minutes E) 5 to 10 minutes

D

28) Prothrombin activator coverts prothrombin to: A) serotonin B) thrombin C) fibrin activator D) prothrombin activator E) fibrinogen

D

6) Erythrocytes A) have lobed nuclei and cytoplasmic granules B) can travel by diapedesis C) number 4000 to 11,000 per cubic millimeter of blood D) are anucleate E) clot blood

D

D) O E) AO A) A B) B C) 40) The most common type of blood in the US. population is:

D

The immune serum used to prevent maternal sensitization to Rh antigens is A) agglutinin B) serotonin C) interleukin D) RhoGAM E) HepBlg

D

19) Blood cell formation is called what and occurs in red bone marrow A) hemolysis B) agglutination C) hemostasis D) coagulation B) hematopoiesis

E

24) The series of reactions that stop blood flow following a cut is called A) homeostasis B) agglutination C) erythropoiesis D) coagulation E) hemostasis

E

38) The process whereby the binding of antibodies to antigens causes RBCs to clump is called: A) coagulation B) hemostasis C) hemolysis D) clotting cascade E) agglutination

E

5) Which one of the following formed elements is the most abundant A) eosinophils B) platelets C) lymphocytes D) basophils E) erythrocytes

E

The organ largely responsible for the synthesis of clotting factors is the A) thyroid B) spleen C) kidneys D) pancreas E) liver

E

Basophils are the most numerous type of leukocyte.

False

Erythropoeitin is released to stimulate platelet production in response to inadequate amounts of oxygen in the blood.

False

Leukocytes are more numerous in blood than erythrocytes.

False

process by which white blood cells move in and out of blood vessels is called phagocytosis.

False

Blood plasma is largely water

True

Normal blood volume in healthy males is 5-6 liters.

True

Normal pH of blood is between 7.35 and 7.45.

True

Kill parasitic worms

eosinophils

Transport carbon dioxide

erythrocytes

Transports oxygen bound to hemoglobin

erythrocytes