1. Jaundice reflects an accumulation of __________in the blood.
C. Bilirubin
The gene for sickle cell arose as a defense for what disease?
C. Malaria
These Cells secrete histamine and do not appear to have any phagocytic capabilities.
D. Basophils
T or F Monocytest differentiate into macrophages before they phagocytize material
True
Which of the following organs serves as a major storhouse for iron?
E. liver
Which of the following statements about blood is false?
A. Most adults have 4 to 6 liters of blood.
B. An Excess of plasma protein causes the blood to
flow too sluggishly
C. As the protein content of the blood plasma
drops, so does its osmolality
D. The fluid remaining after blood clots is the
same as blood plasma
D. The fluid remaining after blood clots is thesame as blood plasma
Which of the following organs produces all the plasma
proteins except the gamma globulins, which come from plasma Cells?
A. Liver
T or F Lymphocytes multiply continuously and give rise to
all of the cellular elements of blood.
False
Which cell stage in the formation of erythrocytes has
lost its nucleus and yet retains a fine network of endoplasmic reticulum?
D. Reticulocyte
T or F Monocytes leave the bone marrow to live for years
in the tissues as macrophages
True
Which of the following cell types release the tiny cell
fragments that we call platelets from the edges of its cytoplasm?
C. Megakaryocyte
Each hemoglobin molecule can carry up to how many oxygen
molecules bound to its heme group?
A. 4
Which of the following statements is true about a male with
normal amount of red blood cells?
million/microliter
D. His blood is 69% plasma
B. His hematocrit reading is 43%
Anemia can be caused by all of the following except
A. Nutritional deficiency of vitamin B12 or iron
B. Failure of gastric production of intrinsic
factor
C. Kidney failure
D. Hypoxemia from smoking or air pollution
D. Hypoxemia from smoking or air pollution
People with sickle-cell trait are resistant to the malaria
parasite
True
Antibody anti-B is present in the blood plasma of
individuals with which blood types?
A. Types A and O
Which of the following is true?
A. A vascular spasm is a short-lived constriction of a leaking vessel
B. Platelet plugs are formed when exposed collagen fibers
in a broken blood vessels cone in contact with platelets
C. Coagulation is the formation of fibrin thread
from plasma fibrinogen.
D. All of the above
D. All of the above
Coagulation is initiated by tissue throboplastin release
from damaged tissue or by platelets releasing clotting factor XII within an intact blood vessel
True
Aspirin suppresses the formation of thrombosis and helps prevent heart attacks
True
Which of the following is an example of a clot-dissolving
drug used to dissolve clots in coronary arteries?
A. Streptokinase
Because of the blood protein is so abundant, it
contributes greatly to osmolarity and viscosity:
D. Albumin
This hormone, produced by the kidneys, stimulates red
blood cells production
A. Erythropoetitin
These cell produce platelets:
E. Megakaryocytes
During hemolysis, heme is produced. The heme is first converted
to:
A. Bilirubin
B. Biliverdin
C. Urobilnogen
D. Bile
A. Biliverdin
A person with type A blood has
A. Anti-B agglutinin
B. Anti-B agglutinin and anti-A agglutinogen
C. A and B Aggulationogens
D. Anti-Aagglutinin
E. B agglutinogen
A. Anti-B agglutinin
A differential white blood cell count shows an abnormally
high count of mature neutrphili. This is a sign of :
A. Myelocytic leukemia
B. Bacterial infection
C. Lymphocytic leukemia
D. Parasitic infestation
E. Heart attack
B. Bacterial infection
EDTA binds with thei metallic ion, a required cofactor in
many steps in the blood clotting process:
D. Calcium
The final product in the blood clotting process is
A. Fibrin
B. Thrombin
C. Thromboplattin
D. Thrombin
E. Factor X
F. Platelets
A. Fibrin
If an Rh negative mothere has a second fetus with Rh
positive blood, then:
A. The mother should be transfused
B. The mother needs phototherapy
C. The mother will begin to make Rh positive blood cells
D. Anti-Rh antifactors may attack fetal cells
E. The mother should avoid RhoGAM
D. Anti-Rh antifactors may attack fetal cells
This genetic X-linked disorder results in a lack of factor
VII:
A. Von wittebrand disease
B. Hemophilia A
C. Hemophilia B
D. Thrombocytopenia
E. Heparin
B. Hemophilia A
Select the statement about red blood cells that is
incorrect:
A. Mature red blood cells lack nuclei
B. Red blood cells contain hempglonin
C. Deoxyhemoglobin carries oxygen
D. Red Blood cells lack mitochondria
C. Deoxyhemoglobin carries oxygen
The precursor of all lines of blood cells is the
______________
A. Myeloblast
B. Hemocytoblast
C. Proerythroblast
D. Progrnulocyte
B. Hemocytoblast
When red blood cells are worn out, part of their components
are recycled while other are disposed. Select the incorrect statement, about the destruction of red blood cells
D. The greenish pigment, biliverdin, is recycled to the bone marrow
Which dietary components is/are needed for DNA synthesis,
and thus greatly influence the production of red blood cells?
C. Vitamin B12 and folic acid
The type of anemia that is fairly common and caused by
insufficient dietary iron is
C. Iron deficiency anemia
They type of whie blookd cell that is often the first to
arrive at the site fo infection is a granulocyte, and the member of this group that stains light purple is a ____
A. Basophil
B. Neutrophil
C. Eosinophil
D. Monocte
B. Neutrophil
They largest cells in the blood that leave the
bloodstream to become macrophages are the ____________
A. Eosinophilis
B. Monocyte
C. Basophil
D. Neutrophil
B. Monocyte
They type of white blood cell that is often the first to
arrive at the site of infection is a granulocyte, and the member of this group that stains light purple is a ____
A. Basophil
B. Neutrophil
C. Eosinophil
D. Monocyte
B. Neutrophil
Which plasma proteins help transport lipids in the
bloodstream?
A. Albumins
B. Alpha and beta globulins
C. Fibrinogen
D. Gamma gloulins
B. Alpha and beta globulins
What is the correct order for the steps of hemostasis
