a beta-lactam antibiotic. the first true antibiotic to be discovered and used clinically - ✔️✔️penicillin
the ability of chemotherapeutic agent to kill or inhibit a microbial pathogen while damaging the host as
little as possible - ✔️✔️selective toxicity
the ratio between the toxic dose and the therapeutic dose of a drug, use as a measure of the drug's
relative safety - ✔️✔️therapeutic index
chemotherapeutic agents effective only against a limited variety microorganisms - ✔️✔️narrow-spectrum
drug
chemotherapeutic agents that are effective against many different kinds of pathogens - ✔️✔️broad-
spectrum drugs
causing death - ✔️✔️cidal
inhibiting or retarding growth - ✔️✔️static
the lowest concentration of a drug that will prevent the growth of a particular microorganism -
✔️✔️minimal inhibitory concentration (mic)
the lowest concentration of a drug that will kill a particular microorganism - ✔️✔️minimal lethal
concentration (mlc)
a disk diffusion test to determine the susceptibility of a microorganism to chemotherapeutic agents + -
✔️✔️kirby-bauer method
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