WorksheetsHuman Anatomy and Physiology: Blood
Total questions: 30
Worksheet time: 15mins
What percentage of our blood is plasma?
90%
55%
45%
65%
Blood reticulocyte counts provide information regarding ________.
rate of erythrocyte formation
rate of platelet formation
clotting ability of the blood
WBC ability to defend the body against disease
Which of the following is NOT a functional characteristic of WBCs?
granulosis
diapedesis
ameboid motion
positive chemotaxis
A person exhibiting suppression of immunity, clotting disorder, and low oxygen carrying capacity is likely suffering which of the following?
iron deficiency anemia
aplastic anemia
pernicious anemia
hemorrhagic anemia
What organ in the body regulates erythrocyte production?
kidney
pancreas
liver
brain
A lack of intrinsic factor, leading to a deficiency of vitamin B12 and causing an appearance of large pale cells called macrocytes, is characteristic of ________.
polycythemia
aplastic anemia
pernicious anemia
sickle-cell anemia
Which of the following is characteristic of all leukocytes?
They are phagocytic.
They are the most numerous of the formed elements in blood.
They are nucleated.
They have cytoplasmic granules.
Which of the following is a functional characteristic of blood?
sticky, opaque fluid
pH 7.25- 7.35
about 5 times more viscous than water
oxygen transportation
The most abundant plasma protein is _____.
heparin
albumin
globulin
fibrinogen
Which organ produces most of the plasma proteins?
red bone marrow
Liver
Kidney
Thymus
Which of the following blood components is a complete cell?
Erythrocyte
Leukocyte
Platelet
All are complete cells
Which of the following is a site of hematopoiesis?
proximal epiphysis of the humerus
proximal diaphysis of the femur
distal diaphysis of the humerus
distal epiphysis of the femur
This cell is the largest white blood cell. It lacks cytoplasmic granules and has a kidney-shaped nucleus.
eosinophil
monocyte
neutrophil
basophil
Three types of formed elements found in the blood include erythrocytes, leukocytes, and __________.
sodium salts
electrolytes
platelets
fibers
If you centrifuge (spin) whole blood you will find the band of white blood cells and platelets (the buffy coat) is much thinner than the packed red blood cells below it. This difference reflects the fact that ________.
platelets are larger than white blood cells
white blood cells are fewer in number than red blood cells
platelets are larger than red blood cells
white blood cells are smaller than red blood cells
Which type of leukocyte is responsible for antibody production?
eosinophils
monocytes
basophils
lymphocytes
If a person is severely dehydrated you would expect to see all of the following except ________.
lower immunity
higher blood viscosity
lower plasma levels
higher hematocrit
What is the average normal pH range of blood?
7.75-7.85
7.35-7.45
4.65-4.75
8.35-8.45
Mature __________ are the most numerous blood cells and do not have a nucleus.
leukocytes
erythrocytes
What is a hematocrit?
Hematocrit is the percentage of leukocytes and platelets in a whole blood sample.
Hematocrit is the percentage of erythrocytes in a whole blood sample.
Hematocrit is the percentage of all formed elements in a whole blood sample.
Hematocrit is the percentage of plasma in a whole blood sample.
Which two factors below make rapid and substantial blood loss life threatening?
loss of clotting ability and loss of osmotic pressure
loss of immunity and loss of carbon dioxide carrying capacity
loss of blood pressure and loss of oxygen carrying capacity
loss of immunity and loss of blood pressure
No visible cytoplasmic granules are present in ________.
monocytes
neutrophils
basophils
eosinophils
With a patient that is administered an injection of erythropoietin (EPO) you would expect to see ________.
increased white blood cell count
decreased white blood cell count
decreased hematocrit
increased hematocrit
Which of the choices below is the parent cell for all formed elements of blood?
megakaryocyte
normoblast
hemocytoblast
polymorphonuclear cell
Which of the following might trigger erythropoiesis?
hypoxia of EPO-producing cells
decreased tissue demand for oxygen
an increased number of RBCs
moving to a lower altitude
All of the following can be expected with polycythemia except ________.
high hematocrit
high blood pressure
low blood viscosity
increased blood volume
Diapedesis is the process by which red blood cells move into tissue spaces from the interior of blood capillaries.
True
False
Higher viscosity of blood will increase the amount of stress placed on the heart while it is pumping. Viscosity of blood is highest when ________.
HbA1C levels are lowest
hematocrit is highest
plasma levels are highest
hemoglobin levels are lowest
The normal RBC "graveyard" is the liver.
True
False
The immediate response to blood vessel injury is clotting.
True
False
