18). Why is a highly virulent bacteria problematic? A. The bacteria forms a biofilm B. Few bacteria are needed to cause a severe infection C. The bacteria invades important tissue D. All of the above
19). Biofilms are important to contain and address when they are found in patients. Which of the following statements about biofilms is correct? A. Form on prosthesis, e.g. artificial knee, artificial artery B. Are a unique, cooperative unit of bacteria C. Form a unique barrier to protect them from the environment D. All of the above
20). Which of the following statements is true about bacterial resistance to penicillins? A. Long-term use of penicillins resulted in acquired resistance B. Resistant bacteria have Beta-lactamase C. Beta-lactamase inhibitors are used to extend the effectiveness of penicillins D. All of the above
21). Which of the following antibiotics is used to treat infections caused by bacteria such as H. pylori, Mycoplasma, Chlamydia, and Rickettsiae? A. Erythromycin (E-mycin) B. Tetracycline (Sumycin) C. Neomycin D. Amoxicillin (Amoxil)
22). Which of the following antibiotics is useful for treating an infection in the brain? A. Tetracycline (Sumycin) B. Minocycline (Minocin) C. Cefazolin (Ancef) D. Piperacillin
23). An individual is exposed to anthrax. Which of the following antibiotics would be used? A. Cefazolin (Ancef) B. Tetracycline (Sumycin) C. Piperacillin D. Ciprofloxacin (Cipro)
24). A patient has MRSA. What is the first antibiotic of choice to treat an MRSA infection? A. Vancomycin (Vancocin) B. Metronidazole (Flagyl) C. Linezolid (Zyvox) D. Tetracycline (Sumycin)
25). Of the 1.5 million species of fungi on the planet, how many are generally associated with human disease? A. 5000 B. 50 C. 500 D. 5
26). Which of the following protozoal infections are found in the US? A. Giardia B. Entamoeba histolytica C. Plasmodium D. All of the above