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.
D
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Olfactory receptors are found
a) throughout the nasal cavity. b) only in the superior portion of the nasal cavity. c) only in the inferior portion of the nasal cavity. d) from the vestibule to the pharynx. e) only in the mid-nasal ridges.
A mild or moderate fever is an adaptive response that seems to benefit the body. Bacteria need large amounts of zinc and iron to multiply. During fever, the liver and spleen sequester these nutrients, making them less available, which helps to reduce the bacterial population.
What will be an ideal response?
Binding of epinephrine to alpha receptors causes smooth muscle
a. relaxation in arteries of the brain b. relaxation in skeletal muscle arteries c. constriction in skeletal muscle arteries d. relaxation in coronary arteries e. to not experience any of the above
__________ depends on where the basilar membrane maximally vibrates
Fill in the blank(s) with correct word