Microbial Interactions in Environment — MCQs

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

A study of nosocomial infections involving urinary catheters is performed. The study shows that the longer an indwelling urinary catheter remains, the higher the rate of symptomatic urinary tract infections (UTIs). Most of these infections are bacterial. Which of the following properties of these bacteria increase the risk for nosocomial UTIs?

Hospital-acquired organisms include all except?

A postoperative patient developed septicemia and was empirically started on combination chemotherapy by a new resident doctor. However, when the patient did not respond even after 10 days of antibiotic treatment, the review of the charts was done. It was found that the resident doctor had started the combination of antibiotics that was mutually antagonistic in action. Which of the following is the most likely combination that was given?

All of the following organisms are known to survive intracellularly except

All are true about culture media except:

What mechanism does Chlamydia use to evade killing by the immune system?

Which of the following bacteria is classified as facultative anaerobe?

Which of the following statements is the most accurate about Chlamydia trachomatis?

What does presumptive count include?