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Ch. 19-21 Cardiovascular System Multiple
Choice — Anatomy & Physiology — Exam
Practice Questions and Answers
E - Correct answer- Which of the following is a function of the
blood?
A) transport of nutrients and wastes
B) transport of body heat
C) transport of gases
D) defense against toxins and pathogens
E) all of the above
B - Correct answer- Which of the following statements about
blood is false?
A) contains buffers that control pH
B) normal pH is 6.8 to 7.0
C) is more viscous than water
D) is about 55 percent plasma
E) None of the above is false; all are true.
D - Correct answer- Formed elements make up about what
percentage of blood?
A) 55 percent
B) 78 percent
C) 60 percent
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,D) 45 percent
E) 20 percent
C - Correct answer- The combination of plasma and formed
elements is called
A) serum.
B) lymph.
C) whole blood.
D) extracellular fluid.
E) packed blood.
D - Correct answer- The percent fraction of formed elements
relative to whole blood is the A) viscosity.
B) specific gravity.
C) packed volume.
D) hematocrit.
E) differential cell count.
D - Correct answer- A typical adult
hematocrit is around A) 85.
B) 75.
C) 65.
D) 45.
E) 25.
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E - Correct answer-
Platelets are A) red
cells that lack a
nucleus.
B) blue cells that have a nucleus.
C) large cells with a prominent, concave nucleus.
D) tiny cells with a polynucleus.
E) cytoplasmic fragments of large cells.
C - Correct answer- The total volume of blood in the body of an
adult male is approximately ________ liters.
A) 10
B) 6 to 8
C) 5 to 6
D) 4
E) 3
E - Correct answer- Which organ secretes most of the plasma
proteins?
A) pancreas
B) heart
C) kidney
D) brain
E) liver
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, D - Correct answer- The chief differences between plasma and
interstitial fluid involves the A) concentration of water.
B) concentration of electrolytes.
C) concentration of nitrogen wastes.
D) concentration of proteins.
E) concentration of glucose.
C - Correct answer- The most abundant proteins
in blood plasma are A) globulins.
B) transport proteins.
C) albumins.
D) lipoproteins.
E) fibrinogens.
C - Correct answer- Plasma proteins essential in
body defense are the A) albumins.
B) fibrinogens.
C) immunoglobulins.
D) metalloproteins.
E) lipoproteins.
B - Correct answer- A plasma protein essential for
blood coagulation is A) albumin alpha.
B) fibrinogen.
C) immunoglobulin
Ch. 19-21 Cardiovascular System Multiple
Choice — Anatomy & Physiology — Exam
Practice Questions and Answers
E - Correct answer- Which of the following is a function of the
blood?
A) transport of nutrients and wastes
B) transport of body heat
C) transport of gases
D) defense against toxins and pathogens
E) all of the above
B - Correct answer- Which of the following statements about
blood is false?
A) contains buffers that control pH
B) normal pH is 6.8 to 7.0
C) is more viscous than water
D) is about 55 percent plasma
E) None of the above is false; all are true.
D - Correct answer- Formed elements make up about what
percentage of blood?
A) 55 percent
B) 78 percent
C) 60 percent
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,D) 45 percent
E) 20 percent
C - Correct answer- The combination of plasma and formed
elements is called
A) serum.
B) lymph.
C) whole blood.
D) extracellular fluid.
E) packed blood.
D - Correct answer- The percent fraction of formed elements
relative to whole blood is the A) viscosity.
B) specific gravity.
C) packed volume.
D) hematocrit.
E) differential cell count.
D - Correct answer- A typical adult
hematocrit is around A) 85.
B) 75.
C) 65.
D) 45.
E) 25.
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E - Correct answer-
Platelets are A) red
cells that lack a
nucleus.
B) blue cells that have a nucleus.
C) large cells with a prominent, concave nucleus.
D) tiny cells with a polynucleus.
E) cytoplasmic fragments of large cells.
C - Correct answer- The total volume of blood in the body of an
adult male is approximately ________ liters.
A) 10
B) 6 to 8
C) 5 to 6
D) 4
E) 3
E - Correct answer- Which organ secretes most of the plasma
proteins?
A) pancreas
B) heart
C) kidney
D) brain
E) liver
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, D - Correct answer- The chief differences between plasma and
interstitial fluid involves the A) concentration of water.
B) concentration of electrolytes.
C) concentration of nitrogen wastes.
D) concentration of proteins.
E) concentration of glucose.
C - Correct answer- The most abundant proteins
in blood plasma are A) globulins.
B) transport proteins.
C) albumins.
D) lipoproteins.
E) fibrinogens.
C - Correct answer- Plasma proteins essential in
body defense are the A) albumins.
B) fibrinogens.
C) immunoglobulins.
D) metalloproteins.
E) lipoproteins.
B - Correct answer- A plasma protein essential for
blood coagulation is A) albumin alpha.
B) fibrinogen.
C) immunoglobulin
