Interleukin-1 secretion causes
A) cytokine secretion. B) a fever.
C) an antibody response. D) an allergic response.
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Question 2) People with myasthenia gravis have a deficiency of
A) acetylcholine receptors B) titin molecules.
C) troponin molecules. D) sarcomeres.
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Question 3) The form of anemia caused by lack of dietary iron is
A) pernicious anemia. B) hemolytic anemia.
C) aplastic anemia. D) iron deficiency anemia.
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Question 4) The mechanism ensures that the volume of blood discharged from the heart is equal to
the volume entering its chambers is described by ______ law of the heart.
A) Boyle's B) Newton's
C) Frank-Starling's D) Dalton's
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Question 5) The drug atropine influences the autonomic nervous system by
A) blocking the action of acetylcholine.
B) stimulating the release of acetylcholine.
C) stimulating the release of norepinephrine.
D) blocking the action of norepinephrine.
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Question 6) Water and dissolved substances leave the arteriole end of a capillary due to ____, and
enter the venule end of a capillary due to ______.
A) hydrostatic pressure being higher than osmotic pressure; active transport being
greater than osmotic pressure
B) osmotic pressure being higher than hydrostatic pressure; hydrostatic pressure being
higher than osmotic pressure
C) osmosis; active transport
D) hydrostatic pressure being higher than osmotic pressure; osmotic pressure being
higher than hydrostatic pressure
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Question 7) Muscle atrophy that progresses with aging is caused by reduction in
A) myoglobin. B) all of the above.
C) ATP. D) the sizes of muscle fibers.
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Question 8) Hydroxyurea treats sickle cell disease by
A) transfusing new blood.
B) activating production of hemoglobin normally produced only in a fetus.
C) removing sickled cells.
D) stimulating hematopoietic stem cells.
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Question 9) The most active phagocytic cells in circulating blood are
A) neutrophils and macrophages. B) neutrophils and monocytes.
C) monocytes and macrophages. D) lymphocytes and monocytes.
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Question 10) A curvature defect of the lens or cornea in which some parts of an image are in focus on
the retina and other parts are blurred and vision is distorted is called
A) presbyopia. B) myopia. C) astigmatism. D) hyperopia.
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