The nurse is assessing the patient and notices that his oral cavity is only slightly moist and contains a scant amount of thick saliva even though the patient's fluid intake has been sufficient
The nurses realizes that the condition of the patient's mouth is probably caused by: a. thoughts of food.
b. sympathetic nerve stimulation.
c. overstimulation of the sublingual glands.
d. parasympathetic nerve stimulation.
B
Saliva is the major secretion of the oropharynx and is produced by three pairs of salivary glands: submaxillary, sublingual, and parotid. Stimuli such as sight, smell, thoughts, and taste of food stimulate salivary gland secretion. Parasympathetic stimulation promotes a copious secretion of watery saliva. Conversely, sympathetic stimulation produces a scant output of thick saliva. The normal daily secretion of saliva is 1200 mL.
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