BIOL 207 Exam 1 Review Questions With Complete
Solutions
________ are immature erythrocytes that are present in the
circulation.
A. Normoblasts
B. Band cells
C. Erythroblasts
D. Myeloblasts
E. Reticulocytes Correct Answers E
________ are large phagocytic white cells that spend most of
their time outside the blood as fixed and free phagocytic cells.
A. lymphocytes
B. neutrophils
C. monocytes
D. basophils
E. eosinophils Correct Answers C
________ are the only blood vessels whose walls are thin
enough to permit blood-tissue exchange.
A. capillaries
B. venules
C. veins
D. arteries
E. arterioles Correct Answers A
________ involves a cascade of reactions leading to the
conversion of fibrinogen to fibrin.
A. Retraction
B. Vascular spasm
,C. Fibrinolysis
D. Coagulation
E. The platelet phase Correct Answers D
________ is the regulation of blood flow by local mechanisms
within a capillary bed.
A. Tissue perfusion
B. Central regulation
C. Autoregulation
D. All of the answers are correct
E. None of the answers are correct Correct Answers C
________ transport(s) oxygen and CO2 in the RBCs.
A. DNA
B. Ribosomes
C. Components of the cytoskeleton
D. Hemoglobin molecules
E. Mitochondria Correct Answers D
A hematocrit provides information on
A. clotting factors
B. blood type
C. sedimentation rate
D. plasma composition
E. formed elements abundance Correct Answers E
A plasma protein essential for blood coagulation is
A. platelets
B. albumin alpha
C. transport proteins
D. immunoglobulin A
,E. fibrinogen Correct Answers E
A substance that activates plasminogen might be useful to
A. initiate clot formation
B. cause clots to form faster
C. cause a clot dissolution to proceed faster
D. mimic erythropoietin
E. recruit neutrophils to an infection Correct Answers C
A typical adult hematocrit is around
A. 85
B. 25
C. 65
D. 75
E. 45 Correct Answers E
After blood leaves the capillaries, it enters the
A. arterioles
B. veins
C. arteries
D. capillaries
E. venules Correct Answers E
After donating 0.5 liter of blood, one would expect
A. an increased erythrocyte count
B. an increased platelet count
C. an increased neutrophil count
D. an increased reticulocyte count
E. increased levels of clotting factors Correct Answers D
, Aged and damaged erythrocytes are broken down by
macrophages in the
A. liver
B. spleen
C. bone marrow
D. All of the answers are correct
E. None of the answers are correct Correct Answers D
All of the following are true of neutrophils except that they are
A. active in fighting bacterial infections
B. granular leukocytes
C. phagocytic
D. round cells with lobed nuclei
E. important in coagulation Correct Answers E
All the circulating red blood cells originate in the
A. red bone marrow
B. spleen
C. thymus
D. heart
E. lymph tissue Correct Answers A
An elevated hematocrit value is termed
A. reticulocytosis
B. anemia
C. macrocytic
D. hyperchromic
E. polycythemia Correct Answers E
An increase in the rate of action potentials from baroreceptors
will lead to
Solutions
________ are immature erythrocytes that are present in the
circulation.
A. Normoblasts
B. Band cells
C. Erythroblasts
D. Myeloblasts
E. Reticulocytes Correct Answers E
________ are large phagocytic white cells that spend most of
their time outside the blood as fixed and free phagocytic cells.
A. lymphocytes
B. neutrophils
C. monocytes
D. basophils
E. eosinophils Correct Answers C
________ are the only blood vessels whose walls are thin
enough to permit blood-tissue exchange.
A. capillaries
B. venules
C. veins
D. arteries
E. arterioles Correct Answers A
________ involves a cascade of reactions leading to the
conversion of fibrinogen to fibrin.
A. Retraction
B. Vascular spasm
,C. Fibrinolysis
D. Coagulation
E. The platelet phase Correct Answers D
________ is the regulation of blood flow by local mechanisms
within a capillary bed.
A. Tissue perfusion
B. Central regulation
C. Autoregulation
D. All of the answers are correct
E. None of the answers are correct Correct Answers C
________ transport(s) oxygen and CO2 in the RBCs.
A. DNA
B. Ribosomes
C. Components of the cytoskeleton
D. Hemoglobin molecules
E. Mitochondria Correct Answers D
A hematocrit provides information on
A. clotting factors
B. blood type
C. sedimentation rate
D. plasma composition
E. formed elements abundance Correct Answers E
A plasma protein essential for blood coagulation is
A. platelets
B. albumin alpha
C. transport proteins
D. immunoglobulin A
,E. fibrinogen Correct Answers E
A substance that activates plasminogen might be useful to
A. initiate clot formation
B. cause clots to form faster
C. cause a clot dissolution to proceed faster
D. mimic erythropoietin
E. recruit neutrophils to an infection Correct Answers C
A typical adult hematocrit is around
A. 85
B. 25
C. 65
D. 75
E. 45 Correct Answers E
After blood leaves the capillaries, it enters the
A. arterioles
B. veins
C. arteries
D. capillaries
E. venules Correct Answers E
After donating 0.5 liter of blood, one would expect
A. an increased erythrocyte count
B. an increased platelet count
C. an increased neutrophil count
D. an increased reticulocyte count
E. increased levels of clotting factors Correct Answers D
, Aged and damaged erythrocytes are broken down by
macrophages in the
A. liver
B. spleen
C. bone marrow
D. All of the answers are correct
E. None of the answers are correct Correct Answers D
All of the following are true of neutrophils except that they are
A. active in fighting bacterial infections
B. granular leukocytes
C. phagocytic
D. round cells with lobed nuclei
E. important in coagulation Correct Answers E
All the circulating red blood cells originate in the
A. red bone marrow
B. spleen
C. thymus
D. heart
E. lymph tissue Correct Answers A
An elevated hematocrit value is termed
A. reticulocytosis
B. anemia
C. macrocytic
D. hyperchromic
E. polycythemia Correct Answers E
An increase in the rate of action potentials from baroreceptors
will lead to
