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.
Answer: D
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The "resting and digesting" division of the autonomic nervous system is the ________
A) parasympathetic division B) somatic division C) peripheral division D) sympathetic division
A sarcomere is best described as
A) a unit within a muscle fiber. B) a group of fascicles. C) a group of muscle fibers. D) a part of the sarcoplasmic reticulum.
Which of the following statements about the tongue is false?
A) The dorsal surface is covered with papillae. B) It is composed of skeletal muscle. C) The uvula attaches to the base. D) It secretes lingual lipase. E) It is innervated by the hypoglossal nerve (CN XII).
What statement about conjunctivitis is false?
A. It is not contagious. B. It is characterized by redness and pain. C. It is also called pink eye. D. It is usually caused by a bacterium.