Sentence Examples


  • A sputum culture may be performed, particularly if the sputum is green or has blood in it, to determine whether a bacterial infection is present and to identify the disease-causing organism so that an appropriate antibiotic can be selected.
  • Laboratory diagnostic tests may include staining sputum samples on a glass slide and looking at the stained specimen under a microscope to determine if white cells, red cells, or bacteria are present.
  • Tuberculosis is nearly always diagnosed by tuberculin skin tests, although one can also be diagnosed by chest x rays and analysis of sputum (matter from the respiratory tract) smears and cultures.
  • Identification of the specific type of bacteria may require culturing the sputum, a microbiological technique that identifies disease-causing bacterial organisms in infected material.
  • A small sample of sputum will be streaked on a special plate filled with medium that allows the specific organism to be grown in the laboratory under certain conditions.