Infectious Disease. Maryville University
2025/2026 Exam Questions and Answers
| 100% Solved
*CAUTI (catheter associated urinary tract infection) - 🧠 ANSWER ✔✔Catheter in
currently or in the past 48 hours.
S/Sx: fever*, suprapubic/CVA tenderness, catheter obstruction.
*Older adults S/sx: falls, change in functional status, or change in mental status.
CT without contrast to check for calculi, hemorrhage, obstruction, and abscesses.
CT w/ contrast to check renal perfusion.
TX: REMOVE CATHETER IF POSSIBLE.
~ Standard: Ceftriaxone, or Zosyn, or Ciprofloxacin.
~ Complicated w/o MDR: Ceftriaxone or Zosyn
, ~ Complicated w/ MDR: (Merrem, or Imipenem, or Doripenem) + (Vanc, or
Dapto, or Linezolid).
Infection Control Measures in the ICU - 🧠 ANSWER ✔✔Contact precautions
Hand hygiene: Soap or Alcohol.
Decolonization/patient bathing: daily chlorhexidine.
Device-specific strategies: Limit invasive procedures.
Oropharyngeal decontamination: Nasal Mupirocin.
Surveillance
Antimicrobial Stewardship - 🧠 ANSWER ✔✔To reduce MDR infections.
1st goal: Right Drug, right Dose, De-escalation to pathogen-directed therapy, and
right Duration of therapy.
2nd goal: prevent antimicrobial overuse, misuse, and abuse.
3rd goal: minimize the development of resistance.
Front-end approach - restrictive prescriptive authority.
Back-end approach - review orders, give feedback on prescribing patterns.
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