1. Multiple Choice: Which of the following microorganisms is most likely to be found in a hospital setting and is a common cause of nosocomial infections? A) Escherichia coli B) Staphylococcus aureus C) Pseudomonas aeruginosa D) Bacillus cereus Correct Answer: B) Staphylococcus aureus Rationale: Staphylococcus aureus is known for its ability to survive in various environments, including hospitals, making it a frequent cause of nosocomial infections. 2. True/False: Antibiotics are effective against viral infections. Answer: False Rationale: Antibiotics are designed to target bacterial infections and are not effective against viruses. 3. Fill-in-the-Blank: The process by which bacteria exchange genetic material through direct cell-to-cell contact is known as __________.