Which of the following is true regarding the efficacy of antibiotic prophylaxis?
A) Data show that a reduction in the incidence, nature, and duration of bacteria caused by antibiotic therapy reduces the risk of or prevents IE.
B) Antibiotics given to at-risk patients before a dental procedure will prevent or reduce a bacteremia.
C) Prospective randomized, placebo-controlled trials have been conducted to examine the efficacy of antibiotic prophylaxis for preventing IE in patients who undergo a dental procedure.
D) Investigators have concluded that dental or other procedures probably only caused a small fraction of cases of IE, and that prophylaxis would prevent only a small number of cases, even if it were 100% effective.
Correct Answer:
Verified
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