Blood quiz
Which of the following phrases is least likely to be used in describing erythrocytes?
Nucleus is centrally located
For a person whose hematocrit is 45%, in which choice below are the components of blood correctly ranked in order of decreasing percent volume?
Plasma, RBCs, WBCs
When a blood vessel is damaged, which of the following events occurs last?
Platelets begin to stick to each other and form a plug
RhoGam injections are given to
Prevent sensitization of the mother
Myeloid hemopoiesis in adults happens in the
Red bone marrow
A person with an increased eosinophil count might be suffering from
an allergic reaction
Which of the following functions is associated with the blood?
delivery of oxygen to tissue cells
Type AB blood
has both A and B antigens on the red cells.
The antibodies that circulate in the plasma are made by
B lymphocytes or plasma cells, which are part of the immune system
Blood does not
Produce plasma hormones
A blood clot that forms when a blood vessel is cut is an example of blood functioning in
Protection
_________ is more likely to cause anemia than any of the other factors
Renal insufficiency
Which of the following cell types is an immature red blood cell?
Reticulocyte
Platelets release ____________, a chemical vasoconstrictor that contributes to the vascular spasm.
Serotonin
Each hemoglobin molecule
Transports 4 oxygen molecules
A person with type O blood should receive a blood transfusion from a donor with
Type O blood
The main reason why an individual AB, Rh-negative cannot donate blood to an individual A, Rh-positive is because
anti-B antibodies in the recipient will agglutinate RBCs of the donor
The condition characterized by overproduction of erythrocytes is called
erythrocytosis
The plasma component that forms fibrin, the insoluble protein, in a blood clot is
fibrinogen
Stem cells
give rise to formed elements in the blood
A person with type B blood
has antibody A
Iron is needed to produce
hemoglobin
Each body function on the left is correctly matched with the corresponding function of the blood on the right EXCEPT
immune function - platelet factors initiate coagulation
A deficiency of which of the following stem cells would result in a marked increase in the clotting time of blood?
megakaryoblast
When large quantities of blood are lost, erythrocytes must be replaced to restore
oxygen-carrying capacity.
During platelet plug formation
platelets stick to the exposed collagen fibers of injured vessels.
Functions of plasma proteins include
regulation of osmotic pressure
An increased amount of heparin in the blood might
slow down the clotting process
When a person is transfused with the wrong blood type,
the erythrocytes agglutinate
Plasma is ____ while formed elements are ____.
the liquid portion of blood; the cells
Mr. Smith moved from a low altitude to a high altitude and experienced an increase in RBCs. Which of the following caused this increase?
the lower oxygen concentration seen at higher altitudes
All of these prevent the spontaneous formation of a clot except
the presence of tissue thromboplastin
A blood clot attached to a blood vessel wall is called a(an)
thrombus
Hemoglobin
transports oxygen in the blood
Which of the following is (are) associated with decreased hematopoiesis?
both vitamin B12 deficiency and iron deficiency anemia
_____________ is not found in plasma
Glyocogen
___________ is a protein not commonly found in plasma
Hemoglobin
The function of plasmin is to
Hydrolyze fibrin
Which of the following would lead to increased erythropoiesis?
Increased erythropoietin levels
Macrophages are derived from
Monocytes
In which of the following situations might Rh incompatibility develop?
Mother is Rh negative; fetus is Rh positive
Which of the following is a stage of hemostasis?
coagulation
Mature erythrocytes
contain hemoglobin in their cytoplasm
All these can lead to polycythemia except
Iron deficiency
The only formed elements that possess a nucleus when mature are the
Leukocytes
Which of the following statements regarding leukocytes is TRUE?
Leukocytes are the largest of the formed elements.
The most numerous of the leukocytes is the
Neutrophil
Differential count of ______________ typically increases in response to bacterial infections.
Neutrophils
Bilirubin
may build up in the circulation and cause jaundice
Hematocrit is _______ of the total blood volume
37% to 52%
These are the least abundant formed elements
Basophils
Which of the following plasma proteins is most abundant?
albumin
The buffy coat does not contain
erythrocytes
Which of the following cell types is incorrectly matched with its description?
lymphocytes- become macrophages
Which of the following is an agranulocyte?
monocyte
The hematocrit is
the percentage of RBCs in a given volume of blood.
Type A blood can safely donate RBCs to _____________ and can receive RBCs of type ___________.
AB; O
In the platelet release reaction
ADP and thromboxanes stimulate other platelets to become activated
In adults, red blood cells are made in one place, spend most of their lifespan in another, and most are finally destroyed in yet another place. Which choice lists these locations in the correct chronological order?
Bone marrow, blood vessels, spleen
All these can cause leukopenia except
Dehydration
The viscosity of blood is due more to _____________ than to any other factor
Erythrocytes
Which of the following formed elements do not have chromosomes?
Erythrocytes and reticulocytes
_____________ would not decrease colloid osmotic pressure (COP) in blood.
a diet predominantly based on red meat
If your son is diagnosed with hemophilia, he would have
a disorder of the clotting process
The structural framework of the blood clot is formed by
a fibrin polymer
When the antigens on erythrocytes bind with antibodies in the plasma
agglutination of erythrocytes occurs
In hemolytic disease of the newborn
antibodies from the mother cross the placenta and affect the fetus
When defective erythrocytes are broken down
bilirubin is formed from the breakdown of hemoglobin
Agglutination of red blood cells means they
clump together
Randolf was suffering from severe hepatitis. His skin appeared to be jaundiced. That color change was due to
increased bilirubin in his circulatory system
Aspirin inhibits platelet plug formation by
interfering with the synthesis of prostaglandins
Heparin
is a potent anticoagulant
Plasma
is the liquid matrix of the blood
The only formed elements that possess a nucleus when mature are the
leukocytes