CST Domain 7: Microbiology Welcome to your CST Domain 7: Microbiology 1. CST: Microbiology Which of the following microorganisms is classified as an obligate intracellular parasite? A. Escherichia coli B. Staphylococcus aureus C. Rickettsia rickettsii D. Clostridium tetani None 2. CST: Microbiology In the context of surgical site infections, which microorganism is most commonly associated with prosthetic joint infections? A. Pseudomonas aeruginosa B. Staphylococcus epidermidis C. Mycobacterium tuberculosis D. Candida albicans None 3. CST: Microbiology Which of the following bacteria is known for producing endospores? A. Neisseria gonorrhoeae B. Bacillus anthracis C. Helicobacter pylori D. Vibrio cholerae None 4. CST: Microbiology Which of the following statements about Mycobacterium tuberculosis is true? A. It is a gram-positive bacterium. B. It can be reliably cultured in standard agar media within 24 hours. C. It has a unique cell wall structure that includes mycolic acid. D. It is primarily transmitted through contaminated food and water. None 5. CST: Microbiology Which organism is the causative agent of gas gangrene? A. Staphylococcus aureus B. Streptococcus pyogenes C. Clostridium perfringens D. Pseudomonas aeruginosa None 6. CST: Microbiology Which of the following is a characteristic of viruses that distinguishes them from bacteria? A. They contain ribosomes for protein synthesis. B. They can replicate independently of a host cell. C. They are visible under a light microscope. D. They require a host cell for replication. None 7. CST: Microbiology What is the primary mode of action of antifungal drugs like amphotericin B? A. Inhibition of DNA synthesis B. Disruption of bacterial cell walls C. Disruption of fungal cell membranes D. Inhibition of protein synthesis None 8. CST: Microbiology In the microbiology of wound healing, which bacteria is commonly associated with delayed wound healing due to biofilm formation? A. Escherichia coli B. Staphylococcus aureus C. Mycobacterium leprae D. Salmonella typhi None 9. CST: Microbiology Which of the following fungi is a common causative agent of ringworm 'tinea'? A. Candida albicans B. Aspergillus fumigatus C. Trichophyton rubrum D. Pneumocystis jirovecii None 10. CST: Microbiology Which of the following organisms is most likely to be responsible for a surgical site infection (SSI) following a bowel surgery? A. Streptococcus pneumoniae B. Clostridium difficile C. Escherichia coli D. Hepatitis B virus None 1 out of 10 Time is Up! Time's up