Blood Practice Questions

Which sequence is correct for the following events? 1. Fibrinogen--> fibrin 2. clot retraction 3. formation of thromboplastin 4. prothrombin --> thrombin

3, 4, 1, 2

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

A) 7.35 - 7.45

What organ in the body regulates erythrocyte production? A) Kidney B) Pancreas C) Liver D) Brain

A) Kidney

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

A) include embolus formation, a clot moving within the circulatory system

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

A) kidney

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

A) maintenance of body temperature

Which of the following is a regulatory function of blood? A) maintenance of normal pH in body tissues B) delivery of oxygen to body cells C) transport of metabolic wastes from cells D) prevention of blood loss

A) maintenance of normal pH in body tissues

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

A) monocytes

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

A) monocytes

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

A) stick to the damaged area of a blood vessel and help seal the break

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

B) It is about 90% water.

Which of the following is a complete and independent living cell? A) Thrombocyte B) Leukocyte C) Erythrocyte D) All of these

B) Leukocyte

The most abundant plasma protein is ________. A) bile B) albumin C) clotting protein D) globulin

B) albumin

The most abundant plasma protein is ________. A) globulin B) albumin C) clotting protein D) bile

B) albumin

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

B) fibrinolysis

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

B) low blood viscosity

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

B) receive any blood type in moderate amounts except that with the Rh antigen

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

B) vascular spasm

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

B) within the normal range

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

C) They are nucleated

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

C) They are nucleated.

Complications of aplastic anemia generally do not include ________. A) impaired formation of all formed elements B) bleeding disorders C) increase of leukocytes as a result of erythrocyte loss D) suppressed immunity

C) increase of leukocytes as a result of erythrocyte loss

As red blood cells age ________. A) ATP production increases B) iron will be excreted by the kidneys C) membranes "wear out" and the cells become damaged D) they will eventually be excreted by the digestive system

C) membranes "wear out" and the cells become damaged

Which of the following leukocytes are the most numerous and arrive first to battle? A) basophil B) erythrocyte C) neutrophil D) eosinophil

C) neutrophil

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

C) pernicious anemia

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

C) receive any blood type in moderate amounts except that with the Rh antigen

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

C) suspension

Which of these is not a normal plasma protein? A) gamma globulin B) albumin C) thromboplastin D) fibrinogen

C) thromboplastin

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

D) 7.35-7.45

Blood plasma consists of: A) 60% water and 40% erythrocytes B) 85% water and 15% albumin C) 55% water and 45% formed elements D) 90% water and 10% solutes

D) 90% water and 10% solutes

Which of the statements below is an incorrect or false statement? A) 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. B) Unique to the ABO blood group is the presence in the plasma of preformed antibodies. C) Transfusion of incompatible blood can be fatal. D) Blood typing for the Kell, Lewis, and Duffy factors is always done before a blood transfusion.

D) Blood typing for the Kell, Lewis, and Duffy factors is always done before a blood transfusion.

Which of the formed elements of blood is responsible for respiratory gas transportation? A) Thrombocyte B) Leukocyte C) All of these D) Erythrocyte

D) Erythrocyte

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

D) O

Which of the following leukocytes are the rarest and contain histamine? A) eosinophil B) erythrocyte C) neutrophil D) basophil

D) basophil

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

D) excess secretion of platelet-derived growth factor (PDGF)

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

D) formation of prothrombin activator

Which of the choices below is the parent cell for all formed elements of blood? A) NK cell B) polymorphonuclear cell C) megakaryocyte D) hemocytoblast (pluripotent stem cell)

D) hemocytoblast (pluripotent stem cell)

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

D) hypoxia of EPO-producing cells

As red blood cells age __________. A) they will eventually be excreted by the digestive system B) ATP production increases C) iron will be excreted by the kidneys D) membranes "wear out" and the cells become damaged

D) membranes "wear out" and the cells become damaged

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

D) stick to the damaged area of a blood vessel and help seal the break

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

D)O

Which blood type is considered the universal donor?

O

Of the options below, ____ enhances the absorption of dietary iron while ____ can inhibit it.

Vitamin C, tannins common in black tea

At what stage is healing is plasminogen converted to plasmin?

fibrinoylsis

Which of the following might trigger erythropoiesis

hypoxia of EPO- producing cells

When can erythroblastosis fetails not possibly happen in the child of an Rh negative mother?

if the father is Rh-

Thromboembolic disorder

include embolus formation, a clot moving within the circulatory system

What are 3 important nutritional needs for adequate erythropoiesis?

iron, protein, B vitamin

All of the following can be expected with polycythemia except ____

low blood viscosity

A lack of intrinsic factor, leading to a deficiency of vitamin B12 and large, pale cells called macrocytles is characteristic of ____________

pernicious anemia