Chapter 17: Blood Multiple Choice

1) Which of the following is not a functional characteristic of WBCs? A) granulosis B) diapedesis C) ameboid motion D) positive chemotaxis

2) What is the average normal pH range of blood? A) 8.35-8.45 B) 7.75-7.85 C) 7.35-7.45 D) 4.65-4.75

3) The special type of hemoglobin present in fetal red blood cells is ________. A) hemoglobin A B) hemoglobin B C) hemoglobin F D) hemoglobin S

4) Which of the choices below is the parent cell for all formed elements of blood? A) megakaryocyte B) normoblast C) hemocytoblast D) polymorphonuclear cell

5) Which blood type is generally called the universal donor? A) A B) B C) AB D) O

6) Which of the following is not a distribution function of blood? A) delivery of oxygen to body cells B) transport of metabolic wastes from cells C) transport of hormones to their target organs D) transport of salts to maintain blood volume

7) Which of the following is a protective function of blood? A) prevention of blood loss B) maintenance of adequate fluid volume C) maintenance of normal pH in body tissue D) maintenance of body temperature

8) Which of the statements below is an incorrect or false statement? A) Transfusion of incompatible blood can be fatal. B) Unique to the ABO blood group is the presence in the plasma of preformed antibodies. C) Blood typing for the Kell, Lewis, and Duffy factors is always done before a blood transfusion. D) When a transfusion reaction occurs, the oxygen-carrying capacity of the transfused blood cells is disrupted and the clumping of RBCs in small vessels hinders blood flow to tissues beyond those points.

9) Which of the following might trigger erythropoiesis? A) hypoxia of EPO-producing cells B) decreased tissue demand for oxygen C) an increased number of RBCs D) moving to a lower altitude

10) Blood reticulocyte counts provide information regarding ________. A) rate of erythrocyte formation B) rate of platelet formation C) clotting ability of the blood D) WBC ability to defend the body against disease

11) An individual who is blood type AB negative can ________. A) receive any blood type in moderate amounts except that with the Rh antigen B) donate to all blood types in moderate amounts C) receive types A, B, and AB, but not type O D) donate to types A, B, and AB, but not to type O

12) Which of the following statements does not describe blood? A) Blood is denser and more viscous than water. B) Blood varies from bright red to a dark red color. C) Blood pH is normally between 7.34 — 7.45. D) Blood carriers body cells to injured areas for repair

13) When neither anti-A serum nor anti-B serum clot on a blood plate with donor blood, the blood is type ________. A) A B) B C) AB D) O

14) Select the incorrect statement regarding blood cell formation. A) Erythrocytes are formed from normoblasts. B) Eosinophils are formed from myeloblasts, C) Lymphocytes are formed from lymphoblasts. D) Platelets are formed from myeloblasts.

15) Blood volume restorers include all of the following except ________. A) dextran B) albumin C) packed cells D) saline solutions

16) James has a hemoglobin measurement of 16 g/100 ml blood. This is ________. A) above normal B) normal only if James is an infant C) abnormally low D) within the normal range

17) The plasma protein that is the major contributor to osmotic pressure is ________. A) fibrinogen B) albumin C) alpha globulin D) gamma globulin

18) All of the following can be expected with polycythemia except ________. A) high hematocrit B) low blood viscosity C) increased blood volume D) high blood pressure

19) No visible cytoplasmic granules are present in ________. A) monocytes B) basophils C) eosinophils D) neutrophils

20) Which of the following is not a phase of hemostasis? A) vascular spasm B) fibrinolysis C) platelet plug formation D) coagulation

21) Which of the following is not a structural characteristic that contributes to erythrocyte gas transport functions? A) biconcave shape B) hemoglobin containing-sack C) produces energy anaerobically D) mitotically active

22) A lack of intrinsic factor, leading to a deficiency of vitamin B12 and causing an appearance of large pale cells called macrocytes, is characteristic of ________. A) aplastic anemia B) polycythemia C) pernicious anemia D) sickle-cell anemia

23) The slowest step in the clotting process is ________. A) formation of prothrombin activator B) production of fibrin strands C) binding fibrin strands D) release of PF3

24) Thromboembolic disorders ________. A) result in uncontrolled bleeding B) include thrombus formation, a clot in a broken blood vessel C) include embolus formation, a clot moving within the circulatory system D) are caused by vitamin K deficiency

25) Which of the following is not a cause of bleeding disorders? A) thrombocytopenia, a condition of decreased circulating platelets B) excess secretion of platelet-derived growth factor (PDGF) C) a defect in the clotting cascade D) vitamin K deficiency

26) Which of the following is characteristic of all leukocytes? A) They are nucleated. B) They have cytoplasmic granules. C) They are phagocytic. D) They are the most numerous of the formed elements in blood.

27) Which of the following is true about blood plasma? A) It is the same as serum but without the clotting proteins. B) The main protein component is hemoglobin. C) It is about 90% water. D) It contains about 20 dissolved components.

28) Platelets ________. A) stick to the damaged area of a blood vessel and help seal the break B) have a life span of about 120 days C) are the precursors of leukocytes D) have multiple nuclei

29) Which sequence is correct for the following events? 1. fibrinogen → fibrin 2. clot retraction 3. formation of thromboplastin 4. prothrombin → thrombin A) 3, 4, 1, 2 B) 1, 2, 3, 4 C) 4, 3, 1, 2 D) 3, 2, 1, 4

30) Fred's blood was determined to be AB positive. What does this mean? A) There are no antibodies to A, to B, or to Rh antigens in the plasma. B) Antibodies to A and B are present in the red cells. C) His blood lacks Rh factor. D) He can only receive blood from a donor who is AB positive.

31) Which of the following would not be a possible cause of sickling of red blood cells in someone with sickle-cell anemia? A) travel at high altitude B) vigorous exercise C) malaria and travel at high altitude D) sleeping in a well-ventilated room

32) All of the following conditions impair coagulation except ________. A) vascular spasm B) vitamin K deficiency C) severe hypocalcemia D) liver disease

33) When can erythroblastosis fetalis not possibly happen in the child of an Rh negative mother? A) if the child is type O positive B) if the child is Rh+ C) if the father is Rh+ D) if the father is Rh-

34) Blood is a ________. A) colloid B) homogeneous compound C) heterogeneous compound D) suspension

35) What organ in the body regulates erythrocyte production? A) kidney B) brain C) liver D) pancreas