Nosocomial Infections — MCQs

Which gram-negative organism is particularly notorious for causing late-onset VAP with multidrug resistance?

What is the therapy of choice for pseudomembranous enterocolitis?

Most common route of nosocomial infection [Hospital-acquired infection]?

A patient in the ICU with a central venous catheter (CVC) develops an infection. Microscopy reveals ovoid budding yeast cells. What is the most likely organism?

When do we have to start antibiotics to prevent post-operative infection?

Nosocomial infections are defined as infections that develop after how many hours of hospital admission?

A patient admitted to an ICU is on a central venous line for the last one week. He is on ceftazidime and amikacin. After 7 days of antibiotics, he develops a spike of fever, and his blood culture is positive for gram-positive cocci in chains, which are catalase negative. Following this, vancomycin was started, but the culture remained positive for the same organism even after 2 weeks of therapy. The most likely organism causing the infection is:

Which of the following causes the majority of UTIs in hospitalized patients?

Nosocomial infections are diagnosed after how many hours of hospitalization/admission?

Most common mode of transmission of nosocomial infection is -