chp 19 chp 20
A person with an increased eosinophil count might be suffering from
an allergic reaction.
When stimulated by erythropoietin to produce red blood cells, the hemocytoblast deliver these new cells in
4 days
Choose the arrangement that lists the chemicals in the order in which they would be used for coagulation
4, 3, 1, 2
Each erythrocyte carries how many oxygen atoms?
1 billion
The heart lies between the lungs in a region called the
mediastinum.
Macrophages are derived from
monocytes
The pale yellow fluid that makes up about 55% of blood volume is
plasma
Jaundice is a buildup of __________ in the circulation and interstitial spaces.
bilirubin
Jaundice is associated with plasma and interstitial space buildup of
bilirubin
When a person develops a sore throat, white blood cells are drawn to the area of infection by a process called
chemotaxis.
The cascade of events in the intrinsic pathway can be set into motion when _____ comes into contact with collagen.
factor XII
The cellular components of blood, representing 45% of blood volume are called
formed elements
Stem cells
give rise to formed elements in the blood.
Which of these components of hemoglobin is correctly matched with its fate following the destruction of an erythrocyte?
globin -- broken down into amino acids
The study of blood is called
hematology
0 / 1 point The stem cell capable of dividing to produce any formed element cell line is the
hemocytoblast
The function of plasmin is to
hydrolyze fibrin.
The heart
is a four-chambered muscular pump.
Heparin
is a potent anticoagulant.
plasma
is the liquid matrix of the blood.
Which of the following cell types is incorrectly matched with its description?
lymphocytes - become macrophages
When a blood vessel is damaged, which of the following events occurs last?
platelets begin to stick to each other and form a plug.
Hemolysis is rupture of
red blood cells
Which of these conditions occur in a normal individual living at a high altitude?
secondary polycythemia
The liquid material remaining after blood-clotting proteins have been removed as a result of clotting is called
serum
An increased amount of heparin in the blood might
slow down the clotting process.
Cells in the red bone marrow that give rise to all the formed elements of the blood are called
stem cells
The great veins and arteries are connected to the heart at the
superiorly located base.
The major component of plasma is
water
The process of erythropoiesis
both b and d
In the adult, hematopoiesis takes place in red bone marrow found in the
all are true
Which of the following characterize the connective tissue components of blood
all are true
Which of the following is/are true of the heart?
all are true
Platelets
all of the above
Which of the following functions is associated with the blood
delivery of oxygen to tissue cells
Which of the following statements regarding leukocytes is true?
Leukocytes are the largest of the formed elements.
__________ are the smallest leukocytes; some produce antibodies.
Lymphocytes
__________ are phagocytic, have a multilobed nucleus, and make up the largest percentage of leukocytes.
Neutrophils
If your son is diagnosed with hemophilia, he would have
a disorder of the clotting process.
Increased number of reticulocytes in circulating blood indicates
erythropoiesis
Arrange the following events of coagulation in proper sequence
3, 4, 1, 2
Which of the following plasma proteins is most abundant
albumin
Functions of blood include
all are true
Blood vessels enter and exit from the _____ of the heart.
base
Hematopoiesis is the process of
blood cell production
Fibrinolysis is responsible for
clot dissolution.
Which of the following is a stage of hemostasis?
coagulation.
The plasma component that forms fibrin, the insoluble protein, in a blood clot is
fibrinogen
Red blood cells, white blood cells and platelets are all
formed elements
Plasma
is a colloidal solution
Old, damaged, or defective erythrocytes are removed from the blood by
macrophages.
Which of the following is an agranulocyte?
monocyte
Functions of plasma proteins include
regulation of osmotic pressure
In the extrinsic pathway, damaged tissues release
tissue factor (TF).
Each hemoglobin molecule has __________ heme group(s) and __________ globin molecule(s).
4,4
Arrange the following five events in the order they occur as erythrocytes are broken down
5,3,4,1,2
The PMI is located
5th intercoastal space, 7.5 cms to the left of the midline.
Which of the formed elements are correctly matched with its alternate name
All are correctly matched
Anemia may result from a
decrease in the number of RBCs
Which of these descriptions of the heart's location is correct?
The heart lies obliquely in the mediastinum.
The biconcave shape of a red blood cell allows this cell to
a& b are true
These leukocytes produce heparin and histamine; they play a role in inflammatory and allergic reactions.
basophils
Blood is more viscous than water. This is because it
becomes more dense when cells are added
Which of the following events is one of the three main stages of coagulation?
conversion of fibrinogen to fibrin
The ability of white blood cells to leave the circulation and enter tissues is called
diapedesis.
Which of these areas does NOT contain red marrow in the adult?
distal femur
Plasma is considered a colloid because it contains suspended substances that
dont settle out in a solution
These leukocytes produce enzymes that reduce the inflammatory response and are associated with allergies or parasitic infections.
eosinophils
The most numerous formed element is the
erythrocyte
Lack of cytoplasmic organelles is important to red blood cells because
more space is available to carry hemoblobin
The most numerous of the leukocytes is the
neutrophil.
Which leukocyte's main function is phagocytosis; these are the first cells to respond?
neutrophils
Where is oxygen attached on a hemoglobin molecule?
on the iron attached to the heme
During platelet plug formation,
platelets stick to the exposed collagen fibers of injured vessels.
A blood clot that forms when a blood vessel is cut is an example of blood functioning in
protection
What makes blood an unusual connective tissue is
the highly fluid nature of its extracellular matrix and the lack of fibers there
Plasma is ____ while formed elements are ____.
the liquid portion of blood; the cells