Chapter 19 Test
Which of the cells in the diagram can be subdivided into categories of small and large versions of this cell type?
D
A high count of which of the white blood cells shown in the figure may indicate viral infections?
D & E
Which of the following chemical substances is NOT commonly released by mast cells?
Nitric oxide
Which of the following blood components is involved in reducing blood loss from a damaged blood vessel?
Platelet
Which of the following hormones stimulates the development of megakaryoblasts?
Thrombopoietin
A differential white blood cell count would not be appropriate to:
differentiating high density lipoprotein (HDL) from low density lipoprotein (LDL)
The major function of red blood cells is
gas transport
The process by which the formed elements of the blood develop is called
hemopoiesis.
which of the following statements is true
hypoxia increases the recreation of erythropoietin by the kidneys
Which labeled cell in the diagram is a WBC?
C
which of the following is NOT a factor in destroying attacking pathogens
erythropoiesis
Which of the following hormones stimulates proliferation of red blood cells in red bone marrow?
erythropoietin (EPO)
Which of the following types of proteins is present at the lowest percentage of the blood component labeled I in the figure?
fibrinogen
The red blood cell
numbers about 5 and a half million per microliter in an adult male
Which of the following blood cell types normally comprises the highest percentage of the blood component labeled II in the figure?
neutrophils
During hemopoiesis, some of the myeloid stem cells will eventually develop into
proerythroblasts
Which of the following is not involved in platelet plug formation
the release of ADH to make the platelets bind to each other
Which of following correctly lists the sequence of steps that occur during hemostasis in response to a damaged blood vessel?
vascular spasm, platelet plug formation, clotting
Which of the following blood cells phagocytizes antigen-antibody complexes and is effective against parasitic worms?
Eosinophil
Which of the following clotting factors is involved in strengthening and stabilizing a blood clot?
Factor XIII
Which of the following precursor cells gives rise to agranular leukocytes?
Lymphoblast
Which of the following blood cells are the main soldiers in the immune system defense of the body against microbial invaders?
Lymphocyte
Which of the following precursor cells eventually gives rise to the platelets?
Megakaryoblast
Which of the following situations could result in maternal antibodies attacking fetal blood cells during a second pregnancy?
Mom is Rh negative and fetus is Rh positive
The substance that stimulates formation of platelets is
Thrombopoietin
Progressive liver failure may lead to serious bleeding problems due to
a) reduced production of thrombopoietin b) a reduction in the production of platelets
Serum is
plasma without the clotting factors.
Name the first substance that is incorporated into the new clot
plasminogen
Which of the following formed elements in blood is removed by fixed macrophages in the spleen and liver after only 5 to 9 days in the circulation?
platelets
A thrombus is:
a collection of platelets and other cells on the endothelial surface
Anemia is defined as
a condition in which the oxygen-carrying capacity of blood is reduced.
A condition in which inadequate intake of vitamin B12 or folic acid causes production of large abnormal red blood cells is called
megaloblastic anemia.
Reduced vitamin B12 absorption from the small intestine due to reduced intrinsic factor production in the stomach results in condition called
pernicious anemia.
When blood from a normal adult is centrifuged, as shown in the figure, which of the following components occupies the greatest volume?
plasma
What is the normal concentration range of the formed element that comprises the blood component labeled III in the figure?
4.8-5.4 million cells/μL
What is the volume of blood in an average adult male?
5 to 6 liters
What percentage of blood plasma is water?
91.5%
A high count of which of the white blood cells shown in the figure may indicate bacterial infection, stress, or inflammation?
A
A low count of which of the white blood cells shown in the figure may indicate radiation exposure, or systemic lupus erythematosus?
A
Which labeled cell in the diagram is a pluripotent stem cell?
A
Which of the cells in the diagram will increase the number of nuclear lobes as they age?
A
Which of the following antibodies would you find in the plasma of a person with type O blood?
anti-A and anti-B
Destruction of red bone marrow due to radiation results in
aplastic anemia.
Which of the following blood types is a person whose blood cells were agglutinated by both anti-A serum and anti-B serum, but not by anti-Rh serum?
AB negative
The number of circulating white blood cells may be affected by several factors. A pregnant woman will often exhibit a reduction in the number of [dropdown 1] while an individual exposed to radiation will exhibit a reduction in the number of [dropdown 2].
Answer 1: basophils Answer 2: neutrophils
An individual with leukemia requires a bone marrow transplant. The donor may be a person who gives the recipient stem cells that are in the bone marrow from his or her [dropdown 1] or the stem cells may come from a(n) [dropdown 2].
Answer 1: hip bone Answer 2: umbilical cord
The gas [dropdown 1] is said to have [dropdown 2] in the body's everyday processes.
Answer 1: nitrogen Answer 2: no known function
A high count of which of the white blood cells shown in the figure may indicate parasitic infection or autoimmune disease?
B
What blood type is a person if their plasma contains ONLY anti-A agglutinin?
B
Which letter in the diagram indicates the correct position of a myeloid stem cell?
B
Which of the following blood cells releases granules that intensify the inflammatory response and promote hypersensitivity (allergic) reactions?
Basophil
Which of the following cells is NOT an agranular leukocyte?
Basophil
What does this figure represent?
Clot formation
Which labeled cell in the diagram will develop into platelets?
H
Which of the following is NOT a true statement regarding blood?
Hemocytoblasts are a common component of circulating blood.
Which of the following substances is an anticoagulant produced by mast cells and basophils?
Heparin
Which of the following precursor cells eventually gives rise to neutrophils?
Myeloblast
Which of the following precursor cells gives rise to granular leukocytes?
Myeloblast
Which white blood cell has a primary responsibility to destroy newly formed tumor cells
Natural killer cells
Which of the following blood cells is a phagocyte?
Neutrophil
Which are the most numerous white blood cells
Neutrophils
Which of the following is NOT a major function of the blood?
Production of oxygen
Which of the following opposes the action of thromboxane A2 by inhibiting platelet adhesion and release?
Prostacyclin
Which of the following statements is false?
RBCs, WBCs, and platelets are whole cells found in blood
The hematocrit is a measure of the percentage of whole blood occupied by
RBCs.
Which statement about blood is not true?
about 10% of the formed elements are red blood cells
Which of the following types of proteins is present at the highest percentage in the blood component labeled I in the figure?
albumin
One of the following is not a formed element found in blood.
all of the above are formed elements
Which of the following blood cell types normally comprises the smallest percentage of the blood component labeled II in the figure?
basophils
which statement does not describe a component of the RBC life cycle
biliverdin is the protein that stores ion
Which of the following is not true of blood in its transporting role?
carries oxygen from the cells to the lungs
A hemopoietic growth factor:
is a hormone that aids in proliferation of progenitor cells
an increase in white blood cell count above normal levels is called
leukocytosis
Which of the following is not an example of homeostasis
maintenance of the normal body temperature
The intrinsic and extrinsic pathways of blood clotting are identical after formation of
prothrombinase
Low counts of which two cell types shown in the figure may result from treatment with cortisol?
D & E
A high count of which of the white blood cells shown in the figure may indicate cancer or hypothyroidism?
C
A low count of which of the white blood cells shown in the figure may indicate pregnancy, ovulation, or hyperthyroidism?
C
A high count of which of the white blood cells shown in the figure may indicate fungal infection?
E
Which of the cells in the diagram will eventually develop into macrophages?
E
Which of the following formed elements found in the blood are derived from reticulocytes?
Erythrocytes
The average life span of an erythrocyte in the circulation is
120 days
Which of the following is TRUE in reference to a blood transfusion? 1. Is the transfer of whole blood only. 2. Often used to treat anemia. 3. Agglutination is not a problem with mismatching blood types. 4. Transfusions are given directly into the venous blood
2 and 4
Approximately, how many hemoglobin molecules are found in each RBC?
280 million
If type A blood is infused into a patient with type O blood, which of the following adverse reactions would you expect to observe in the patient?
a) Agglutination (clumping) of the transfused blood cells. b) Complement-induced hemolysis of the transfused blood cells. c) Released hemoglobin clogging the filtration membrane of the kidneys.
Umbilical cord stem cells
a) are easier to collect than bone marrow stem cells c) are more abundant than bone marrow stem cells d) are less likely to transmit infections
Jaundice, a yellowing of the skin, is a condition caused by the deposition of bilirubin in the skin. It may be associated with
a) excessive breakdown of red blood cells b) cancer of the bowel or pancreas c) blockage of bile drainage by gallstones
Erythropoiesis may be stimulated by
a) pulmonary disease that decreases available oxygen b) excessive bleeding c) traveling to high altitudes
A cord-blood transplant involves obtaining the stem cells to transplant into the diseased patient from
the umbilical cord of a donor shortly after birth.
Blood plasma and interstitial fluid are both components of the extracellular fluid.
true
The extrinsic pathway of blood clotting occurs much quicker than the intrinsic pathway
true
