Hematology Quiz prep

Question 1

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

Answer 1

Pluripotent Stem Cell

Question 2

A formed element of blood is:

Answer 2

Platelets and white blood cells

Question 3

Plasma is made up of 90-92% of

Answer 3

Water

Question 4

Each complete hemoglobin molecule can carry:

Answer 4

four oxygen molecules

Question 5

The effectiveness of oxygen transport depends on

Answer 5

red blood cell mass, pH, exercise

Question 6

The packed cell volume of red blood cells per unit of blood is known as:

Answer 6

hematocrit

Question 7

Providing protection from foreign invasion is the job of the:

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:

Answer 8

Eosinophil

Question 9

The garbage collectors of the immune system are the

Answer 9

Macrophages

Question 10

The two basic subpopulations of lymphocytes are the Tcells and B cells. Which of the following is True regarding T Cells?

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:

Answer 11

attract white blood cells

Question 12

The combined three mechanisms that work to prevent or control blood loss include all of the following except:

Answer 12

inflammation

Question 13

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

Answer 13

hemostasis

Question 14

One Element of the coagulation cascade is the common pathway during which:

Answer 14

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

Question 15

which of the following enhances blood clotting

Answer 15

smoking

Question 16

A person with which blood type is considered the “universal donor”

Answer 16

O

Question 17

Fresh frozen plasma is often used for replacing

Answer 17

volume in hypovolemia secondary to low oncotic pressure

Question 18

Erythroblastosis fetalis is caused by

Answer 18

an RH- mother previously sensitized by pregnancy with an Rh+ child becoming pregnant with an Rh+ child

Question 19

During your physical exam of a patient, you note jaundice, or yellow skin. This could be caused by:

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 when caring for patients with leukemia and lymphoma because

Answer 21

these patients are at an increased risk of developing infection

Question 22

Hemophilia A is a blood disorder caused by a deficiency of

Answer 22

factor VIII

Question 23

An abnormal decrease in the number of platelets is known as

Answer 23

thrombocytopenia

Question 24

A disorder of coagulation caused by systemic activation of the coagulation cascade is

Answer 24

DIC Disseminated intravascular coagulation

Question 25

A cancerous disorder of plasma cells is:

Answer 25

multiple myeloma