_______________________________________________________________ Healthcare-Associated Infections
20. What type of surgery is responsible for the highest percentage of reported surgical site infections?
26. Which of the following is a risk factor for multidrug-resistant pathogens in patients with ventilator-associated pneumonia? A) Immunosuppression B) Chronic dialysis more than 90 days prior C) Family member with drug-susceptible infection D) Prior IV antibiotic use more than 90 days previous 27. Which of the following is NOT part of the multicomponent strategy to prevent ventilator-associated pneumonia? A) Weekly toothbrushing B) Elevation of the head of the bed C) Prophylaxis for deep vein thrombosis D) Protocol for daily sedation interruptions 28. According to a consensus panel, which of the following groups of signs/symptoms would indicate a diagnosis of nosocomial pneumonia? A) Fever B) Fever and leukopenia C) Fever, purulent tracheal secretions, and worsening gas exchange D) Fever, altered mental status, and histopathologic evidence of pneumonia 29. Which of the following types of intravascular catheters is most often associated with intravascular device-related bloodstream infections?
A) Cardiac B) Obstetric C) Abdominal D) Orthopedic
21. Pseudomonas aeruginosa is a likely pathogen causing a surgical site infection after A) transplantation.
B) orthopedic surgery. C) obstetric surgery. D) neurologic surgery.
22. Of the following risk factors, which has the greatest influence on surgical site infections? A) Older age B) History of smoking C) Use of surgical drains D) Duration of the operation 23. Which of the following approaches is recommended for preventing surgical site infections?
A) Universal antimicrobial prophylaxis B) Presurgery bathing with an antiseptic agent the night before the operative day C) Continuing antibiotic prophylaxis for several days after the incision has been closed D) All of the above
A) Pulmonary artery catheter B) Peripheral arterial catheter
24. For infection of a surgical site on an extremity, the Infectious Diseases Society of America recommends treatment with
C) Pressure monitoring system catheter D) Nontunneled central venous catheter
30. According to a meta-analysis, which of the following methods is the most accurate for diagnosing intravascular device-related bloodstream infection? A) Paired cultures
A) cefoxitin. B) rifampin. C) oxacillin. D) clindamycin.
25. Which of the following statements about ventilator-associated pneumonia is TRUE? A) The rate of ventilator-associated pneumonia is lower than the rate for hospital-acquired pneumonia. B) Neurologic conditions have not been found to be related to risk of ventilator-associated pneumonia. C) Nearly half of all cases of ventilator-associated pneumonia are caused by more than one organism. D) Nearly half of all cases of ventilator-associated pneumonia develop within the first day of mechanical ventilation.
B) Differential time to positivity C) Culture of a catheter segment D) Culture of blood obtained through the catheter
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