Chapter 20 Flashcards Preview

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Flashcards in Chapter 20 Deck (21):
1

What does a Bacteriostatic drug do? What is an example of one?

Inhibits; Tetracycline

2

What does a Bactericidal drug do? What is an example of one?

Lethal (kills); Penicillin

3

What is vancomycin used to treat?

MRSA; bactericidal drug that inhibits cell wall synthesis

4

Penicillin has __ rings.

2

5

What does quinolone antibiotics do?

they act by interrupting the replication of DNA molecules in bacteria; this involves inhibition of the bacteria's gyrase.

6

What is an example of a drug that inhibits cell wall synthesis?

Penicillin cephalosporin

7

What is an example of a drug that inhibits protein synthesis?

Tetracycline

8

What is an example of a drug that injures the plasma membrane?

Nystatin (antifungals)

9

What is an example of a drug that inhibits nucleic acid synthesis?

Quinolone, Ciproflaxin

10

What is an example of a drug that inhibits enzymatic activity?

Acylovir (used to treat herpes)

11

What is Rifampin?

A bacteriostatic (inhibitory) drug used to treat TB

12

What is Quinolones?

a bactericidal drug that inhibits DNA synthesis and is used to treat UTI's.

13

What is Amphoterecin-B?

an antifungal drug used to treat Histoplasmosis, Blastomycosis, Coccidiomyces

14

What 3 drugs can be used to treat ringworm?

miconazole, ketoconazole, griseofulvin

15

After how many days of illness will an antiviral drug be ineffective?

2 days

16

What are 4 antiviral drugs?

1. Amantidine (Tamiflu)
2. Acyclovir (herpes)
3. AZT (HIV-AIDS)
4. Gamicyclovir

17

What are two antiprotozoan drugs?

1. Chloroquine (for malaria)
2. Metronidazole (for trichomonas vaginalis)

18

What are two antimicrobial susceptibility tests?

1. Disc diffusion method (Kirby-Bauer)
2. Broth Dilution method (MIC, MBC)

19

What are some things that can lead to drug resistance?

R-factor transfer, animal feed to R-strains developments, incomplete course of medicine, low doses, mutation in bacteria-drug binding sites

20

What 2 drugs are in a synergistic combination?

1. penicillin
2. streptomycin

21

What 2 drugs are in an antagonistic combination?

1. Penicillin
2. Tetracycline