Lacteals are
A. a type of lymphocyte.
B. a nonspecific defense.
C. lymphatic vessels in the lining of the small intestine.
D. the sinuses inside a lymph node.
E. germinal centers.
C
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Innervation of a single organ by both branches of the autonomic nervous system is known as ____
a. binocular innervation b. biphasic innervation c. dual innervation d. bipolar innervation e. double branched
Which of the following statements concerning parasympathetic innervation of the digestive tract is incorrect?
a. in general, parasympathetic stimulation is excitatory to the digestive system. b. parasympathetic innervation to the digestive tract comes primarily through the vagus nerve. c. parasympathetic innervation is part of the extrinsic nerve supply to the digestive tract. d. parasympathetic stimulation of the salivary glands produces a saliva rich in mucus. e. parasympathetic stimulation increases salivary, gastric, pancreatic, and biliary secretion.
What portion of the cell cycle is actually devoted to cell division?
A. Interphase B. Cellphase C. Duophase D. Mitotic phase
Efferent neurons
a. have their cell bodies outside the central nervous system. b. carry information from the periphery to the central nervous system. c. exist entirely within the central nervous system. d. carry information from the central nervous system to the periphery. e. exist entirely outside the central nervous system.