Examlex
The ____________________ key of a table (relation)is the column or collection of columns that uniquely identifies a given row in that table.
Drug Screening
The process of testing individuals for the presence of drugs or their metabolites in the body, often used by employers, law enforcement, and medical professionals.
Renal Failure
A medical condition in which the kidneys lose the ability to adequately filter waste products from the blood.
Urine Specimen
A sample of urine collected for medical testing to diagnose diseases, conditions, or to monitor specific health situations.
Urine Cultures
Laboratory tests that involve growing bacteria from a urine sample to identify urinary tract infections and determine the appropriate antibiotics for treatment.
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