Chapter 50: Antibacterial drugs

Chapter 50: Antibacterial drugs

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. Benzylpenicillin is the first drug of choice for treatment of infections due to

1. Pseudomonas aeruginosa
2. Legionella pneumophila
3. Haemophilus influenzae
4. Treponema pallidum
5. Pasteurella multocida

Answer d: Treponema pallidum

1. Red-green color blindness is a dose-related adverse effect of

1. cycloserine
2. ethambutol
3. rifampicin
4. isoniazid
5. streptomycin

Answer c: rifampicin

1. Resistance to cephalosporin antibiotics is most likely to result from

1. phosphorylation by bacterial kinases
2. inactivation by bacterial b-lactamase
3. decreased affinity of dihydrofolate reductase
4. increased efflux by bacterial transport proteins
5. decreased ribosomal affinity for the drugs

Answer b: inactivation by bacterial b-lactamase

1. Penicillins that are active against strains of Pseudomonas aeruginosa include

1. piperacillin
2. ampicillin
3. benzylpenicillin
4. amoxicillin
5. phenoxymethylpenicillin

Answer a: piperacillin