more true and false

True or False...

1. Rifamycin is not useful in the treatment of mycobacteria that cause tuberculosis because it cannot penetrate infected tissues and abscesses.

2. Chloramphenicol is recommended for treatment of bacterial infections because it has no toxicity

3. Tetracyclines are not recommended for children or pregnant women because of toxicity and other side effects

4. It is more difficult to treat fungal than bacterial infections because fungi are eukaryotes

5. Most of the available antimicrobial agents are effective against…

 a. viruses

 b. bacteria

 c. fungi

6. Antimicrobial drugs that kill microbes directly are


 a. bacteriostatic

 b. bactericidal

 c. both of above
 d. helminths

 e. all of above

7. All of the following are true about bactericidal antibiotics except…


 a. they kill cells by inhibiting cell wall or plasma membrane synthesis

 b. they kill cells by inhibiting protein synthesis

 c. they kill cell by inhibiting nucleic acid replication

 d. the host’s own defenses (e.g. phagocytosis) usually destroy the microbes following treatment.