Chapter 9 written quiz

Question 1

The cell from which the various types of blood cells can form is
called a(n)

a. erythropoien
b. pluripotent stem cell
c. multipotent stem cell
d. unipotent stem cell

Answer 1

pluripotent stem cell

Question 2

The hormone that is responsible for red blood cell production is.

a. thrombocyte
b. insulin
c. oxytocin
d. erythropoietin

Answer 2

erythropoietin

Question 3

Plasma is made up of 90-92%

a. proteins
b. carbohydrates
c. water
d. gasses

Answer 3

water

Question 4

Each complete hemoglobin molecule can carry:

a. one platelet
b. one red blood cell
c. four oxygen molecules
d. two white blood cell

Answer 4

four oxygen molecules

Question 5

the effectiveness of oxygen transport depends on :

a. red blood cell mass
b. pH
c. exercise
d. all of the above

Answer 5

red blood cell mass

Question 6

the packed cell volume of red blood cells per unit of blood in known as:

a. hematocrit
b. hemolysis
c. sequestration
d. erythropoiesis

Answer 6

hematocrit

Question 7

Each complete hemoglobin molecule can carry.
a. leucocytes
erythrocytes
c. platelets
d. red blood cells

Answer 7

leukocytes

Question 8

The highly specialized member of the granulocytic series that can
inactivate the chemical mediators of acute allergic reactions is the:
a. neutrophil
b. monophil
c. basophil
d. eosinophil

Answer 8

eosinophil

Question 9

the garbage collectors of the immune system are the;

a. macrophages
b. monophil
c. basophil
d. granulocytes

Answer 9

macrophages

Question 10

The two basic subpopulations of lymphocytes are T cells and B cells. Which of the following statements is TRUE regarding T cells.

a. t cells engulf foreign invaders and dead neutrophils
b. t cells produce antibodies to combat infections
c. t cells migrate to peripheral lymphatic tissues from bone marrow
d. t cells are responsible for developing cell mediated immunity

Answer 10

T cells are responsible for developing cell mediated immunity

Question 11

After a local tissue injury occurs, the damaged tissues release
chemical messengers that.
a. decrease capillary permeability
b. attract white blood cells
c. cause vasoconstriction
d. reduce swelling

Answer 11

attract white blood cells

Question 12

The term for the process of three mechanisms that work to control blood loss is.

a. hemostasis
b. sequestration
c. erythropoiesis
d. stable fibrin blood clots

Answer 12

hemostasis

Question 13

The combined three mechanisms that work to prevent or control
blood loss include all of the following EXCEPT.
a. vascular spasms
b. inflammation
c. platelet plugs
d. stable fibrin blood clots

Answer 13

inflammation

Question 14

One element of the coagulation cascade is the common pathway,
during which.
a. tissue damage causes platelet aggression and the formation of prothrombin activator
b. the prothrombin activator in the presence of calcium converts prothrombin to thrombin
c. platelets release substances that leas to the formation of prothrombin activator
d. thrombin in the presence of calcium converts to stable fibrin which traps blood cells and more platelets form a clot

Answer 14

the prothrombin activator , in the presence of calcium converts prothrombin to thrombin

Question 15

Which of the following enhances blood clotting

a. vitamin d
b. aspirin
c. smoking
d. low red blood cell count

Answer 15

smoking

Question 16

A person with which blood type is considered the "universal donor"
a. a
b. ab
c. b. 
d, o

Answer 16

O

Question 17

Checking blood samples from both donor and recipient to ensure the greatest compatibility is called.

a. universal selection
b. type crossmatch
c. typing
d. crossmatching

Answer 17

crossmatching

Question 18

Erythroblastosis fetalis is caused by.

a. sensitization to antigens on the white blood cells, platelets or plasma proteins
b. a recipient of a blood transfusion receiving an incompatible blood type
c. erythrocytes being damages during the transfusion process
d. an Rh- mother previously sensitized by pregnancy with an Rh+ child becoming pregnant with an Rh + child

Answer 18

an Rh- mother previously sensitized by pregnancy with an Rh+ child

Question 19

During your physical exam of a patient, you note jaundice, or yellow

skin. This could be caused by
a. decreased perfusion to vital organs
b. hemolysis of red blood cells
c. kidney disease.
d. anemia

Answer 19

hemolysis of red blood cells

Question 20

The MOST common cause of priapism in the emergency setting is

Answer 20

sickle cell disease

Question 21

Employing proper isolation techniques is extremely important in
caring for patients with leukemia and lymphoma because.
a. these patients have an increased risk of developing infection
b. both diseases are transmitted by an airborne pathogen
c. these patients typically have open lesions
d. both diseases are highly infectious in early stages

Answer 21

these patients are at an increased risk of developing infection

Question 22

An abnormal decrease in the number of platelets is known as:

Answer 22

thrombocytopenia

Question 23

Hemophilia A is a blood disorder caused by a deficiency of:

a. erythrocytes
b. factor VIII
c. leukocytes
d. factor IX

Answer 23

factor VIII

Question 24

A disorder of coagulation caused by systemic activation of the
coagulation cascade is
a. thrombocytosis
b. disseminated intravascular coagulation
c. thrombocytopenia
d. factor IX

Answer 24

disseminated intravascular coagulation

Question 25

A cancerous disorder of plasma cells is:

a. von Willenbrand’s disease
b. disseminated intravascular coagulation
c. thrombocytopenia
d. multiple myeloma

Answer 25

multiple myeloma