The elderly male patient is at greater risk for urinary tract infection related to:
A) Inability to drink sufficient amounts of fluid
B) Decreased gastric secretions and slower motility
C) Prostate enlargement or neurogenic bladder
D) The ineffectiveness of cilia and decreased circulation
Ans: C
Feedback: Declining function of various organ systems associated with increasing age also contributes to impaired immunity. Decreased gastric secretions and motility allow normal intestinal flora to proliferate and produce infection, causing gastroenteritis and diarrhea. Decreased renal circulation, filtration, absorption, and excretion contribute to risk for urinary tract infections. Moreover, prostatic enlargement or neurogenic bladder can impede urine passage and impair bacterial clearance through the urinary system. Urinary stasis, common in elderly people, permits the growth of microorganisms. Prolonged exposure to tobacco and environmental toxins impairs pulmonary function. These factors cause cilia to be ineffective. Advancing age also decreases circulation but does not provide a primary reason for urinary tract infection.
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