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Pharmacology Ch. 38
Chapter 38 Antibiotics Part I vocabulary
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Pharmacology
Undergraduate 3
10/04/2013

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Term

Antibiotic

Definition

Having or pertaining to the ability to destory of interfere with the development of a living organism. The term is used most commonly to refer to antibacterial drugs

Term

Antispetic

Definition
One of two types of topical antimicrobial agent; a chemical that inhibits the growth and reproduction of microorganisms without necessarily killing. Antiseptics are also called static agents.
Term

Bactericidal antibiotics

Definition
Antibiotics that kill bacteria.
Term

Bacteriostatic

Definition
Antibiotics that do not actually kill bacteria but rather inhibit their growth.
Term

Beta-lactam

Definition
The designation for a broad, major class of antibiotics that includes four subclasses: penicillins, cephalosporins, carbapenems, and monobactams; so named because of the beta-lactam ring that is part of the chemical structure of all drugs in this class.
Term

Beta-lactamase

Definition
Any of a group of enzymes produced by bacteria that catalyze the chemical opening of the crucial beta-lactam ring structures in beta-lactam antibiotics.
Term

Beta-lactamase inhibitors

Definition
Medications combined with certain penicillin drugs to block the effect of beta-lactamase enzymes.
Term

Colonization

Definition
The establishment and growth of microorganisms on the skin, open wounds, or mucous membranes, or in secretions without causing adverse clinical signs or symptoms.
Term

Community-associated infection

Definition
An infection that is acquired by persons who have not been hospitalized or had a medical procedure recently. (within the past year).
Term

Definitive therapy

Definition
The administration of antibiotics based on known results of culture and sensitivity testing identifying the pathogen causing infection.
Term

Disinfectant

Definition
One or two types of topical antimicrobial agent; a chemical applied to nonliving objects to kill microorganisms. also called cidal agents.
Term

Empiric therapy

Definition
The administation of antibiotics based on the practitioner's judgment of the pathogens most likely to be causing an apparent infection; it involves the presumptive treatment of an infection to avoid treatment delay before specific culture information has been obtained.
Term

Glucose-6-phosphate dehydrogenase (G6PD) deficiency

Definition
An inherited disorder in which the red blood cells are partially of completely deficient in glucose-6-phosphate dehydrogenase, a critical enzyme in the metabolism of glucose. Certain medications can cause hemolytic anemia in patients with this disorder. This is an example of a host factor related to drug therapy.
Term

Health care-associated infection

Definition
An infection that is acquired during the course of receiving treatment for another condition in a health care facility. The infection is not present or incubating at the time of admission.
Term

Host factors

Definition
Factors that are unique to the body of a particular patient that affect the patient's susceptibility to infection and response to various antibiotic drugs.
Term

Infections

Definition
Invasions and multiplications of microorganisms in body tissues.
Term

Microorganisms

Definition
Microscopic living organisms (also called microbes).
Term

Prophylactic antibiotic therapy

Definition
Antibiotics taken before anticipated exposure to an infectious organism in an effort to prevent the development of infection.
Term

Pseudomembranous colitis

Definition
A necrotizing inflammatory bowel condition that is often associated with antibiotic therapy. A more general term that is also used is antibiotic-associated colitis.
Term

Slow acetylation

Definition
A common genetic host factor in which the rate of metabolism of certain drugs is reduced.
Term

Subtherapeutic

Definition
Referring to antibiotic treatment that is ineffective in treating a given infection. Possible causes include inappropriate drug therapy, insufficient drug dosing, and bacterial drug resistance.
Term

Superinfection

Definition
(1) An infection occurring during antimicrobial treatment for another infection, resulting from overgrowth of an organism susceptible to the antibiotic used. (2) A secondary microbial infection that occurs in addition to an earlier primary infection, often due to weakening of the patient's immune system function by the first infection.
Term

Teratogens

Definition
Substances that can interfere with normal prenatal development and cause on or more developmental abnormalities in the fetus.
Term

Therapeutic

Definition
Referring to antibiotic therapy that results in sufficient concentrations of the durg in the blood or other tissues to render it effective against specific bacterial pathogens.
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