Ch. 19-21 Cardiovascular System Multiple Choice Qu
Ch. 19-21 Cardiovascular System Multiple Choice Qu
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Ch. 19-21 Cardiovascular System Multiple Choice Questions & Answers(GRADED A+)
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Ch. 19-21 Cardiovascular System Multiple Choice Qu
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Ch. 19-21 Cardiovascular System Multiple Choice Qu
E - ANSWERWhich 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 - ANSWERWhich of the following statements about blood is false?
A) contains buffer...
Ch. 19-21 Cardiovascular System Multiple
Choice Questions & Answers(GRADED A+)
E - ANSWERWhich 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 - ANSWERWhich 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.
C - ANSWERThe combination of plasma and formed elements is called
A) serum.
B) lymph.
C) whole blood.
D) extracellular fluid.
E) packed blood.
D - ANSWERFormed elements make up about what percentage of blood?
A) 55 percent
,B) 78 percent
C) 60 percent
D) 45 percent
E) 20 percent
D - ANSWERThe 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 - ANSWERA typical adult hematocrit is around
A) 85.
B) 75.
C) 65.
D) 45.
E) 25.
E - ANSWERPlatelets 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 - ANSWERThe 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 - ANSWERWhich organ secretes most of the plasma proteins?
A) pancreas
B) heart
C) kidney
D) brain
E) liver
D - ANSWERThe 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 - ANSWERThe most abundant proteins in blood plasma are
A) globulins.
B) transport proteins.
C) albumins.
D) lipoproteins.
E) fibrinogens.
C - ANSWERPlasma proteins essential in body defense are the
A) albumins.
B) fibrinogens.
C) immunoglobulins.
D) metalloproteins.
E) lipoproteins.
, B - ANSWERA plasma protein essential for blood coagulation is
A) albumin alpha.
B) fibrinogen.
C) immunoglobulin
D) metalloprotein
E) lipoprotein
C - ANSWERThe most abundant component of plasma is
A) ions.
B) proteins.
C) water.
D) gases.
E) nutrients.
C - ANSWERA hematocrit provides information on
A) blood type.
B) clotting factors.
C) formed elements abundance.
D) plasma composition.
E) sedimentation rate
B - ANSWERWhich of the following is not a component of plasma?
A) electrolytes
B) platelets
C) fibrinogen
D) albumin
E) amino acids
C - ANSWERWhich of these is not one of the formed elements of blood?
A) RBCs
B) platelets
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