Future of Microbiome Research — MCQs

A healthcare worker develops fever, night sweats, and cough. Sputum shows acid-fast bacilli. What is the next diagnostic test?

Which bacterial species is commonly found on the skin?

Which of the following is the PRIMARY causative agent of tuberculosis in humans?

A woman with recurrent diarrhea is prescribed a broad-spectrum antibiotic. Which of the following statements is not true regarding Clostridium difficile infection?

Which of the following organisms is an obligate intracellular bacterium that commonly causes sexually transmitted infections?

A 24-year-old woman is breastfeeding 3 weeks after giving birth to a normal term infant and notices fissures in the skin around her left nipple. Over the next 3 days, a 5-cm region near the nipple becomes erythematous and tender, with purulent exudate from a small abscess draining through a fissure. Which of the following organisms is most likely to be cultured from the exudate?

The bacterial growth medium shown below belongs to:

Noguchi's medium is used for

The acid-fast staining characteristic of Mycobacteria is due to which of the following cell wall constituents?

Which of the following is the main colonizer of the sebaceous gland?