MICROBIOLOGY CHAPTER 10 (TEST BANK)

Substances that are naturally produced by certain microorganisms that can inhibit or destroy other microorganisms are called A. Antibiotics. B. Narrow-spectrum drugs. C. Semi-synthetic drugs. D. Synthetic drugs. E. Broad-spectrum drugs. - A Antimicrobials that are effective against a wide variety of microbial types are termed A. Antibiotics. B. Narrow-spectrum drugs. C. Semisynthetic drugs. D. Synthetic drugs. E. Broad-spectrum drugs. - E Antibiotics are derived from all of the following except A. Penicillium. B. Bacillus. C. Staphylococcus. D. Streptomyces. E. Cephalosporium. - C Important characteristics of antimicrobial drugs include A. Low toxicity for human tissues. B. High toxicity against microbial cells. C. Do not cause serious side effects in humans. D. Stable and soluble in body tissues and fluids. E. All of the choices are correct. - E The use of a drug to prevent a person at risk of an imminent infection is called A. Competitive inhibition. B. Synergism. C. Prebiotics. D. Prophylaxis. E. Lantibiotics. - D