blood 2

Question 1

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

Answer 1

pernicious anemia

Question 2

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

Answer 2

low blood viscosity

Question 3

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

Answer 3

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

Question 4

As red blood cells age ________.
-they will eventually be excreted by the digestive system
-iron will be excreted by the kidneys
-ATP production increases
-membranes “wear out” and the cells become damaged

Answer 4

membranes “wear out” and the cells become damaged

Question 5

Blood is a ________.
suspension
homogeneous compound
colloid
heterogeneous compound

Answer 5

suspension

Question 6

Blood volume restorers include all of the following except ________.
albumin
dextran
packed cells
saline solutions

Answer 6

packed cells

Question 7

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

Answer 7

within the normal range

Question 8

No visible cytoplasmic granules are present in ________.
eosinophils
monocytes
basophils
neutrophils

Answer 8

monocytes

Question 9

Place the following in correct developmental sequence:

1. reticulocyte
2. proerythroblast
3. normoblast
4. late erythroblast
   1, 3, 2, 4
   2, 1, 3, 4
   1, 2, 3, 4
   2, 4, 3, 1

Answer 9

2, 4, 3, 1

Question 10

Select the correct statement regarding blood cell formation.
-Red marrow is the main site of blood cell formation throughout adult life.
-Before the seventh month of fetal development, yellow marrow is the main site of blood cell formation.
-The main sites of blood cell production in adults are the spleen and the liver.
-Yellow marrow is the main site of leukocyte formation

Answer 10

Red marrow is the main site of blood cell formation throughout adult life.

Question 11

Sickling of red blood cells can be produced in those with sickle-cell anemia by ________.
-travel at high altitude and vigorous exercise
-vigorous exercise
-travel at high altitude
-malaria and travel at high altitude

Answer 11

travel at high altitude and vigorous exercise

Question 12

The most abundant plasma protein is ________.
albumin
bile
globulin
clotting protein

Answer 12

albumin

Question 13

The slowest step in the clotting process is ________.
-binding fibrin strands
-release of PF3
-formation of prothrombin activator
-production of fibrin strands

Answer 13

formation of prothrombin activator

Question 14

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

Answer 14

include embolus formation, a clot moving within the circulatory system

Question 15

What organ in the body regulates erythrocyte production?
pancreas
liver
brain
kidney

Answer 15

kidney

Question 16

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

Answer 16

if the father is Rh-

Question 17

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

Answer 17

O

Question 18

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

Answer 18

O

Question 19

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

Answer 19

pluripotent stem cell (hemocytoblast)

Question 20

Which of the following is a protective function of blood?
-maintenance of normal pH in body tissue
-maintenance of adequate fluid volume
-prevention of blood loss
-maintenance of body temperature

Answer 20

maintenance of body temperature

Question 21

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

Answer 21

maintenance of normal pH in body tissues

Question 22

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

Answer 22

excess secretion of platelet-derived growth factor (PDGF)

Question 23

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

Answer 23

hypoxia of EPO-producing cells

Question 24

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

Answer 24

Transfusion of incompatible blood can be fatal.