Actions and Uses

Question 1

Penicillin G

Answer 1

treat strep, pneumococci, and staph organisms. Used often for gonorrhea and syphilis (Cell wall synthesis inhibitor)

Question 2

Amoxicillin

Answer 2

Same as penicillin G but given orally (Cell wall synthesis inhibitor)

Question 3

Cefazolin

Answer 3

prophylaxis of bacterial infections particularly gram positive. Treat for genital infections, septicemia, and endocarditis (Cell wall synthesis inhibitor)

Question 4

Gentamicin

Answer 4

serious systemic infections caused by aerobic gram -, mycobacteria and some protozoans. Affective on some strains of MRSA (protein synthesis inhibitor)

Question 5

Erythromycin

Answer 5

inactivated by stomach acids needing an acid resistant coating that dissolves in small intestines. Used when person is allergic or resistant to penicillin. Whooping cough and Legionnaire’s disease(protein synthesis inhibitor)

Question 6

Tetracycline

Answer 6

broad spectrum gram + and -. Chlamydia, Rickettsae, Mycoplasma. Used to effectively treat stomach ulcers. Very short half life cholera, rocky mountain fever, lyme disease (protein synthesis inhibitor)

Question 7

Trimethoprim/ sulfamethoxazole (Bactrim)

Answer 7

Most common for UTIs. Also used for carinii pneumonia, shigella of small bowel, toxoplasmosis (metabolism inhibitors)

Question 8

Levofloxacin

Answer 8

respiratory infections, GI and GU infections, skin and soft tissue infections(DNA synthesis inhibitor)

Question 9

isoniazid (INH)

Answer 9

bactericidal to mycobacteria actively dividing (anti TB)

Question 10

rifampin

Answer 10

inhibits enzyme needed for protein synthesis (anti TB)

Question 11

ethambutol

Answer 11

inhibits cell wall synthesis(anti TB)

Question 12

vancomycin

Answer 12

enterococcal infections

Question 13

amphotericin B

Answer 13

most effective drug for serious systemic fungal infection

Question 14

nystatin

Answer 14

reserved for serious candida infections