Throat swab specimen for identification Flashcards
identification in cases of Streptococcal infection?
Nasopharyngeal swab
What is the major throat flora that is the primary cause of Subacute Bacterial Endocarditis (SBE)?
• Viridans streptococci, including C. diphtheriae,
• Are the major throat flora and the leading cause of SBE SUBACUTE.
Which bacteria are known to produce dental caries by producing glucans and dextran?
• S. Imitis, S. mutans, and S. salivarius.
What is the major throat pathogen?
• Streptococcus pyogenes
What is the primary purpose of collecting a nasopharyngeal swab specimen?
• To detect respiratory infections like B. pertussis (whooping cough).
What other potential information can be obtained from a nasopharyngeal swab specimen?
• Can also be processed to determine the carrier state of N. meningitidis,
• which can exist as either normal flora or a pathogen.
What type of specimen is appropriate for detecting meningitis-causing pathogens?
• CSF (Cerebrospinal Fluid) is the appropriate specimen for detecting pathogens causing meningitis.
Where can normal flora (encapsulated) typically be found, and how can you detect their normal presence?
• Normal flora (encapsulated) is commonly found in the nasopharynx and oropharynx.
• Their normal presence can be detected using a nasopharyngeal swab.
How should Neisseria species be sampled if they are sensitive to cooled temperatures and toxic to cotton swabs?
• Neisseria species should be sampled using a swab made of Dacron or calcium alginate
• as they are sensitive to cooled temperatures and can be toxic to cotton swabs.
What should you avoid using cotton swabs for when it comes to Neisseria?
• Cotton swabs should not be used for Neisseria (toxic) that contain fatty acids.
What is the purpose of collecting an endotracheal aspirate specimen?
• Is collected when a patient is on a ventilator or intubated
• To assess respiratory secretions and monitor for infections.
Is calcium alginate suitable for use against viruses that inhibit or prevent replication?
• No, calcium alginate should not be used for viruses that inhibit or prevent replication.
What type of bacteria are swabs suitable for?
• Swabs are suitable for aerobic bacteria.
Is swabbing suitable for anaerobic culture?
• No, swabbing is not suitable for anaerobic culture.
