Micro Chapter 10 (ASSESS YOUR PROGRESS Qs&As 2025) A+ Graded

Micro Chapter 10 (ASSESS YOUR PROGRESS Qs&As 2025) A+ Graded 1. State the main goal of antimicrobial treatment. - ANS-Administer a drug to an infected person, which destroys the infective agent without harming the host's cells 3. Describe two methods for testing antimicrobial susceptibility. - ANS-Kirby Bauer Procedure and E-Test 4. Define therapeutic index, and identify whether a high or a low index is preferable. - ANS-The ratio of the dose of the drug that is toxic to humans as compared to its minimum effective dose. The smaller the ratio the safer the drug. 6. List the five major targets of antimicrobial agents. - ANS-1. Inhibition of cell wall synthesis, 2. inhibition of nucleic acid, 3. inhibition of protein synthesis, 4. interference with cell membrane structure or function, 5. inhibition of folic acid synthesis 7. Identify which categories of drugs are most selectively toxic and why. - ANS-Tetracyclines 8. Distinguish between broad-spectrum and narrow-spectrum antimicrobials, and explain the significance of the distinction. - ANS-Broad