BIO 220 TOPIC 1 GRADED QUIZ LATEST
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BIO 220 Topic 1 Graded Quiz Latest
BIO220
BIO 220 Topic 1 Graded Quiz Latest
Question 1
On the diagram of RBC production, what does “A” represent?
a. increased blood oxygen
b. decreased blood oxygen
c. erythropoietin
d. kidney
e. red bone marrow
Question 2
Why would a person have anti-Rh antibodies present in their
blood?
a. They are Rh-positive and were exposed to Rh-negative blood.
b. An Rh-negative woman is carrying an Rh-positive fetus.
c. An Rh-positive woman is carrying an Rh-negative fetus.
d. A person cannot have anti-Rh antibodies in their blood.
Question 3
Agglutination of red blood cells means
a. they rupture.
b. they form a clot.
c. they clump together.
d. they lose their nucleus.
e. they bump into each other.
Question 4
The total blood volume is ____ plasma.
a. 50%
b. 90%
c. 75%
d. 55%
Question 5
In the platelet release reaction,
a. factor XII is activated.
b. ADP and thromboxanes stimulate other platelets to become
activated.
c. activated platelets are connected by fibrinogen.
d. prostaglandin production is inhibited.
e. platelets convert to fibrin.
Question 6
Hemocytoblast stem cells
a. are specialized cells.
b. are found in yellow bone marrow.
c. form branches of trees.
d. are abundant in the plasma.
e. give rise to all formed elements in the blood.
Question 7
Which of the following functions is associated with the blood?
a. delivery of oxygen to tissue cells
b. transport of digestive enzymes to the small intestine
c. maintenance of DNA content of egg cells
d. transport of neurotransmitters across synapses
e. electrical stimulation of the heart
Question 8
What ion is necessary for the coagulation process?
a. sodium
b. potassium
c. magnesium
d. calcium
Question 9
These cells are produced by hematopoiesis. What does “A”
represent?
a. granulocytes
b. platelets
c. lymphocyte
d. neutrophil
e. red blood cell
Question 10
What type of gene expression occurs when a person has type AB
blood?
a. homozygous dominant
b. homozygous recessive
c. incomplete dominance
d. codominance
Question 11
a. erythrocytes
b. reticulocytes
c. erythroblasts
d. erythrocytes and reticulocytes
e. erythrocytes, reticulocytes and erythroblasts
Question 12
What may be affected if the enzyme carbonic anhydrase was not
made in the body?
a. conversion of hemoglobin to oxyhemoglobin
b. conversion of carbon dioxide to bicarbonate ion
c. transport of oxygen by hemoglobin
d. hemolysis of red blood cells
Question 13
Which of the following is an agranulocyte?
a. eosinophil
b. basophil
c. neutrophil
d. monocyte
e. erythrocyte
Question 14
On the diagram of RBC production, what does “C” represent?
a. increased blood oxygen
b. decreased blood oxygen
c. increased erythropoietin
d. kidney
e. red bone marrow
Question 15
Platelets
a. are also known as thrombocytes.
b. are actually fragments of cells.
c. play a role in preventing blood loss.
d. can become sticky when exposed to connective tissue
e. All of these choices are .
Question 16
Plasma
a. is one of the formed elements.
b. is the liquid matrix of the blood.
c. transports waste products but not nutrients.
d. accounts for less than half of the blood volume.
e. is serum plus formed elements.
Question 17
On the diagram of RBC production, what does “E” represent?
a. increased blood oxygen
b. decreased blood oxygen
c. erythropoietin
d. kidney
e. red bone marrow
Question 18
An increased amount of heparin in the blood might
a. speed up the clotting process.
b. slow down the clotting process.
c. stop the clotting process.
d. enhance the clotting process.
e. have no effect on the clotting process.
Question 19
Which of the following cell types is an immature red blood cell?
a. erythrocyte
b. reticulocyte
c. thrombocyte
d. monocyte
e. leukocyte
Question 20
Bilirubin
a. is found in white blood cells.
b. may be reused in erythropoiesis.
c. is formed from the globin groups of hemoglobin.
d. is made from bile.
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