What cells are considered to be lymphocytes?
b. T and B cells
A patient with blood group AB- can receive a blood transfusion from all of the following donor blood types except for:
The percentage of total volume used to determine the number of erythrocytes in a blood sample is referred to as the: Select one: a. reticulocyte count. b. ESR c. red blood cell count. d. hematocrit.
Which leukocyte contains histamine in its granules?
Which property do white blood cells have in common?
a. WBCs transport oxygen.
b. WBCs are nucleated and have a protective function.
c. All WBCs are granulocytes.
d. All WBCs have a phagocytic function.
If a patient had an A+ blood type, which of the following is TRUE in regards to the types of antibodies they would carry in their blood?
a. Patient would have anti-A antibodies
b. Patient would have anti-B antibodies
c. Patient would have anti-Rhesus antibodies
d. Patients would have have no preformed circulating antibodies
A healthy adult male has approximately ___ liters of blood.
Which of the following is a function of neutrophils?
a. Phagocytose bacteria
b. Mount immune response by direct cell attack or via
c. Release histamine and other mediators of
d. Kill parasitic worms
A major plasma protein that maintains the blood osmotic pressure is:
Which of the following is a function of erythrocytes?
a. Release histamine
b. Transport oxygen and carbon dioxide
c. Phagocytize bacteria
d. Mount an immune response
a. stick to the damaged area of a blood vessel and help seal the break
b. have a life span of about 120 days
c. are the precursors of leukocytes
d. have multiple nuclei
Which antibodies would be found in the serum of a person with AB+ blood?
a. anti-A antibodies
b. anti-B antibodies
c. Neither anti-A nor anti-B antibodies
d. Both anti-B and anti-A antibodies
Granulocytes do NOT include:
Formed elements in the blood include everything except:
Secondary polycythemia can result from:
a. excessive blood loss
b. bone marrow cancer
c. living at high altitudes
d. Insufficient dietary intake of vitamin B12 or iron
Which of the following is not a phase of hemostasis?
a. vascular spasm
c. platelet plug formation
Red blood cells are a biconcave disc shape as this:
Select one: a. Maximises surface area b. they have multiple nuclei c. to enable them to be flexible enough to change shape d. Both a and c are correct
What is the name of the hormone released by the kidneys (and sometimes the liver) in response to hypoxia?
Hemoglobin is made up of four red heme groups bound to the protein globin. In the centre of each heme group is an atom of _________ which binds to ____________.
a. iron, oxygen
b. ferritin, carbon dioxide
c. albumin, oxygen
d. iron, albumin
The most numerous leukocyte is the:
The blood type of the universal donor is:
If looking at a blood smear and you see a cell with a pink granulated cytoplasm with a bilobed nucleus you are looking at a:
If a patient is a B- blood type, what antigens do their RBCs express?
a. A antigen and Rhesus antigen
b. B antigen
c. B antigen and Rhesus antigen
d. No antigen
When is a mother treated with RhoGAM to prevent any possibility of hemolytic disease of the newborn?
a. If the mother is Rh-
b. If the father is Rh+
c. If the mother is Rh+
d. If the fetus is Rh-
Which of the following is a regulatory function of blood?
a. delivery of oxygen to body cells
b. protection against infection
c. prevention of blood loss
d. maintenance of normal pH in body tissues
Fred’s blood was determined to be AB+. What does this mean?
a. Antibodies to A and B are present in the red cells.
b. There are no antibodies to A, to B, or to Rh antigens
in the plasma.
c. His blood lacks Rh factor.
d. He can only receive blood from a donor who is AB positive.
Red blood cells are made in the:
b. red bone marrow
What would you say the following blood type is?
picture of “ Anti-A clotting; anti-B not clotting; Anti O clotting)
The blood clotting cascade is an example of:
a. a positive feedback loop
c. a negative feedback loop
The rarest leukocyte in the blood is the:
A patient with an O+ blood type would have circulating antibodies against which (if any) red blood cell antigens?
a. None, they are the universal donor.
b. None, they are the universal recipient
c. All antigens, A antigens, B antigens and potentially
d. Only A antigens and B antigens
A patient with the blood type B- has what antibodies in their plasma?
a. anti-B antibodies only
b. anti-B antibodies and potentially anti-Rhesus
c. anti-A antibodies and potentially anti-Rhesus
d. anti-A and anti-B antibodies
Each molecule of hemoglobin contains ____ atoms of iron.
In hemolytic disease of the newborn, anti-Rh antibodies may attack the __________________ causing erythroblastosis fetalis. This can be prevent in Rhesus negative mothers by administering __________ during late pregnancy.
a. fetal RBCs, RhoGAM
b. fetal leukocytes, RhoGAM
c. fetal RBCs, blood transfusion
d. fetal leukocytes, blood transfusion
Red blood cells and specifically Hemoglobin are recycled by macrophages when they come to the end of their useable life. The heme component is broken down into ____________ which is expelled from the body as waste and __________ which is recycled by the bone marrow.
a. bilirubin, iron
b. globin, amino acids
c. bilirubin, amino acids
d. globin, iron
The leukocyte which contains histamine and heparin filled granules is known as a:
The plasma component of blood makes up approximately ________ of the total blood volume in a healthy individual.
The proteins found on the surface of red blood cells that dictate blood type are known as:
c. red blood cell lipids
Unlike antibodies against the A and B red blood cell antigens, you must first be ____________________ Rhesus antigen in order to develop antibodies against it.
a. born with
b. exposed to
c. be pregnant with a baby that is negative for
d. of a blood type containing
When assessing the blood type from an unknown sample, agglutination indicates:
a. that the antigen being tested is present.
b. that the antigen being tested is NOT present.
c. That the patient has antibodies against the antigen
d. That the patient is carrying a Rhesus positive fetus and requires treatment with Anti-D injections.