PLE Category: Microbiology

PLE-3540

A 65-year-old female patient in the ICU, receiving several antibiotics for 10 days, developed non-bloody diarrhea. What is/are the causative antibiotic(s)?

PLE-3541

A 15-year-old boy had a 2-week fever and headache, which later associated with a stiff neck. Spinal fluid examination revealed high protein, low glucose, and a WBC count of 1000 composed mainly of neutrophils. What is the most likely etiologic agent?

PLE-3536

Teichoic acid, present in the bacterial cell wall, is found in which type of bacteria?

PLE-3534

What is the intermediate host of Schistosoma japonicum?

PLE-3535

Which of the following is not a human prion disease?

PLE-3532

A 30-year-old male, who is HIV positive, was seen at the Emergency Room due to a headache and altered level of consciousness. Findings are compatible with meningitis, and the CSF showed oval budding on India ink. What is the most probable causative organism?

PLE-3533

What is the symmetric protein shell that encloses the viral nucleic acid genome?

PLE-3530

Which class of immunoglobulins is important in protecting the mucosal surface of the respiratory, intestinal, and genitourinary tracts from pathogenic microorganisms?

PLE-3531

What is the most common etiologic agent of post-transfusion hepatitis?