Antimicrobial

Substances that are naturally produced by certain microorganisms that can inhibit or destroy bacteria are called

• synthetic drugs.

• semisynthetic drugs.

• antibiotics.

• broad-spectrum drugs.

• narrow-spectrum drugs.

Tags

NGSS.HS-LS4-5

Antimicrobials effective against a wide variety of microbial types are termed

• antibiotics.

• narrow-spectrum drugs.

• semisynthetic drugs.

• synthetic drugs.

• broad-spectrum drugs.

Antibiotics are derived from all of the following, except

• Penicillium.

• Bacillus.

• Staphylococcus.

• Streptomyces.

• Cephalosporium.

Important characteristics of antimicrobial drugs include

• low toxicity for human tissues.

• high toxicity against microbial cells.

• a lack of serious side effects in humans.

• stability and solubility in body tissues and fluids.

• All of the choices are correct.

The use of any chemical in the treatment, relief, or prophylaxis of a disease is called

• prophylaxis.

• chemotherapy.

• selective toxicity.

• nephrotoxicity.

• synergism.

Each of the following target bacterial ribosomes, except

• streptomycin.

• gentamycin.

• polymyxins.

• tetracycline.

• erythromycin.

Which of the following antimicrobials does not inhibit DNA synthesis?

• Chloroquine

• Quinolone

• Penicillin

• Azidothymidine

• Acyclovir

Antimicrobial drugs that inhibit folic acid synthesis work with no side effects because mammals must get folic acid from their diet.

• True

• False

Species of Bacillus produce bacitracin and the polymyxin drugs.

• True

• False

An antibiotic of the penicillin family is penicillin G.

• True

• False