Hematology Quiz prep Flashcards
(25 cards)
The cell from which the various types of blood cells can form is called a(n)
Pluripotent Stem Cell
A formed element of blood is:
Platelets and white blood cells
Plasma is made up of 90-92% of
Water
Each complete hemoglobin molecule can carry:
four oxygen molecules
The effectiveness of oxygen transport depends on
red blood cell mass, pH, exercise
The packed cell volume of red blood cells per unit of blood is known as:
hematocrit
Providing protection from foreign invasion is the job of the:
leukocytes
The highly specialized member of the granulocytic series that can inactivate the chemical mediators of acute allergic reactions is the:
Eosinophil
The garbage collectors of the immune system are the
Macrophages
The two basic subpopulations of lymphocytes are the Tcells and B cells. Which of the following is True regarding T Cells?
T-Cells are responsible for developing cell-mediated immunity
After a local tissue injury occurs, the damaged tissues release chemical messengers that:
attract white blood cells
The combined three mechanisms that work to prevent or control blood loss include all of the following except:
inflammation
The term for the process of three mechanisms that work to control blood loss is:
hemostasis
One Element of the coagulation cascade is the common pathway during which:
the prothrombin activator, in the presence of calcium, converts prothrombin to thrombin
which of the following enhances blood clotting
smoking
A person with which blood type is considered the “universal donor”
O
Fresh frozen plasma is often used for replacing
volume in hypovolemia secondary to low oncotic pressure
Erythroblastosis fetalis is caused by
an RH- mother previously sensitized by pregnancy with an Rh+ child becoming pregnant with an Rh+ child
During your physical exam of a patient, you note jaundice, or yellow skin. This could be caused by:
hemolysis of red blood cells
The most common cause of priapism in the emergency setting is:
sickle cell disease
Employing proper isolation techniques is extremely important when caring for patients with leukemia and lymphoma because
these patients are at an increased risk of developing infection
Hemophilia A is a blood disorder caused by a deficiency of
factor VIII
An abnormal decrease in the number of platelets is known as
thrombocytopenia
A disorder of coagulation caused by systemic activation of the coagulation cascade is
DIC Disseminated intravascular coagulation
