Of the following statements which best describes an antibiotic?
A. a chemical that is made in the pharmaceutical laboratory
B. a product derived from the metabolism of living microorganisms
C. a chemotherapeutic agent that harms the infectious organism
D. the concentration of the drug that destroys the pathogen
B. a product derived from the metabolism of living microorganisms
Bacteria susceptible to sulfonamide
A. forms granular lesions in the body.
B. synthesize folic acid.
C. induces allergic reaction.
D. are commonly found in polluted water.
B. synthesize folic acid.
Erythromycin functions by
A. interfering with cell wall synthesis.
B. interfering with bacterial ribosomes.
C. blocking absorption at the cell membrane.
D. blocking DNA transcription.
,B. interfering with bacterial ribosomes.
Isoniazid is useful for
A. for determining the MIC of a drug.
B. for performing the Kirby-Bauer test.
C. for separating gram-positive and gram-negative bacteria.
D. for treating tuberculosis.
D. for treating tuberculosis.
Antiviral drugs interfere with
A. specific stages of the viral replication cycle.
B. host cell immune responses.
C. the replication of normal microbiota.
D. the production of cytokines
A. specific stages of the viral replication cycle.
Polymyxin B
A. inhibits RNA synthesis.
, B. Disrupts bacterial cell membranes
C. interferes with cell wall synthesis in microorganisms.
D. is effective only against gram (-) infections.
B. Disrupts bacterial cell membranes
A physician wants to treat a patient with a respiratory infection caused by a fungus. A
treatment she might prescribe is
A. penicillin.
B. rifampin.
C. amphotericin B.
D. vancomycin.
C. amphotericin B.
Artemesinin and quinine are traditionally used to treat
A. urinary tract infections.
B. cases of malaria.
C. infections caused by bacteria of the intestinal tract.
D. fungal diseases.
B. cases of malaria.
A. a chemical that is made in the pharmaceutical laboratory
B. a product derived from the metabolism of living microorganisms
C. a chemotherapeutic agent that harms the infectious organism
D. the concentration of the drug that destroys the pathogen
B. a product derived from the metabolism of living microorganisms
Bacteria susceptible to sulfonamide
A. forms granular lesions in the body.
B. synthesize folic acid.
C. induces allergic reaction.
D. are commonly found in polluted water.
B. synthesize folic acid.
Erythromycin functions by
A. interfering with cell wall synthesis.
B. interfering with bacterial ribosomes.
C. blocking absorption at the cell membrane.
D. blocking DNA transcription.
,B. interfering with bacterial ribosomes.
Isoniazid is useful for
A. for determining the MIC of a drug.
B. for performing the Kirby-Bauer test.
C. for separating gram-positive and gram-negative bacteria.
D. for treating tuberculosis.
D. for treating tuberculosis.
Antiviral drugs interfere with
A. specific stages of the viral replication cycle.
B. host cell immune responses.
C. the replication of normal microbiota.
D. the production of cytokines
A. specific stages of the viral replication cycle.
Polymyxin B
A. inhibits RNA synthesis.
, B. Disrupts bacterial cell membranes
C. interferes with cell wall synthesis in microorganisms.
D. is effective only against gram (-) infections.
B. Disrupts bacterial cell membranes
A physician wants to treat a patient with a respiratory infection caused by a fungus. A
treatment she might prescribe is
A. penicillin.
B. rifampin.
C. amphotericin B.
D. vancomycin.
C. amphotericin B.
Artemesinin and quinine are traditionally used to treat
A. urinary tract infections.
B. cases of malaria.
C. infections caused by bacteria of the intestinal tract.
D. fungal diseases.
B. cases of malaria.
