Diagnosis of Infection - Importance of Correct Specimen Labelling and Packaging
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Questions and Answers

What is the importance of correct specimen labelling and packaging by clinicians?

  • Increasing infection risks to staff
  • Decreasing specificity of laboratory results
  • Providing incorrect clinical information
  • Avoiding errors and reducing infection risks to staff (correct)
  • Which of the following is NOT a common microbiology specimen mentioned in the text?

  • MSU (correct)
  • Swabs
  • Urine
  • Blood
  • What are examples of non-routine samples mentioned in the text?

  • Urine and blood
  • Blood and urine
  • Swabs and urine
  • Bronchoalveolar lavage (BAL) and cerebrospinal fluid (CSF) (correct)
  • How can clinicians discern between rapid initial tests and culture-based tests?

    <p>By the specificity of the results</p> Signup and view all the answers

    What is the general principle emphasized regarding specimen requests?

    <p>Garbage in garbage out – must label and send appropriate specimen</p> Signup and view all the answers

    What are some modern advances in laboratory diagnosis mentioned in the text?

    <p>Molecular diagnosis and MALDI-TOF</p> Signup and view all the answers

    Which phase of laboratory testing involves specimen acquisition, identification, handling, and transport?

    <p>Pre-analytical</p> Signup and view all the answers

    Which special consideration is highlighted for microbiology specimens in the text?

    <p>Notorious pathogens from specific regions can infect laboratory workers</p> Signup and view all the answers

    What is a key activity that can be performed on unfixed microbiology specimens?

    <p>Fluorescence microscopy</p> Signup and view all the answers

    Which travel destination is linked to Salmonella enterica Serovar Typhi according to the text?

    <p>India, Pakistan, Nepal</p> Signup and view all the answers

    What type of microscopy is historically used for diagnosing viruses?

    <p>Electron microscopy</p> Signup and view all the answers

    Which phase of laboratory testing requires solid agar media and broth for culture?

    <p>Analytical</p> Signup and view all the answers

    What type of medium does Inactivating Viral Transport Medium contain?

    <p>Guanidine thiocyanate</p> Signup and view all the answers

    Which specimen is NOT commonly collected in Molecular Transport Media or Inactivating Viral Transport Medium?

    <p>Urine</p> Signup and view all the answers

    What does the brownish-red color indicator likely suggest in the context provided?

    <p>Presence of BSA</p> Signup and view all the answers

    What is the main function of the molecular transport media used for SARS-CoV-2 samples?

    <p>Preserving nucleic acid</p> Signup and view all the answers

    Which type of sample is noted to be better than a swab for anaerobes?

    <p>Pus</p> Signup and view all the answers

    What is present in the viral transport medium to maintain virus viability?

    <p>Bovine serum</p> Signup and view all the answers

    What is the commonest specimen type in Microbiology for diagnosing urinary tract infections?

    <p>Mid stream urine (MSU)</p> Signup and view all the answers

    In which type of urine sample would treatment not always be required due to infection?

    <p>Catheter specimen urine (CSU)</p> Signup and view all the answers

    What is required for diagnosing pneumonia using respiratory tract specimens?

    <p>Gram stain and culture</p> Signup and view all the answers

    Which method is used for replacing Urine Microscopy in Urine Flow Cytometry?

    <p>Laser scattering and fluorescence counting</p> Signup and view all the answers

    What is the purpose of adding boric acid to urine samples in Flow Cytometry?

    <p>To prevent cell integrity loss</p> Signup and view all the answers

    In MALDI-TOF bacterial identification, what is the technique based on?

    <p>DNA analysis</p> Signup and view all the answers

    Which of the following is NOT a diagnostic modality for infecting pathogens as mentioned in the text?

    <p>Incubation</p> Signup and view all the answers

    What is the key component required to have a pure culture of blood culture bottle contents?

    <p>Solid culture media</p> Signup and view all the answers

    Which method is used to identify specific pathogens in blood culture broth as per the information provided?

    <p>Biochemical profile (API)</p> Signup and view all the answers

    What is indicated by the production of carbon dioxide turning the sensor yellow in the context of blood culture technology?

    <p>Positive bacterial growth</p> Signup and view all the answers

    Which statement about laboratory reports on blood cultures is TRUE based on the information provided?

    <p>'Skin organisms grown' are typically non-pathogenic</p> Signup and view all the answers

    Which technique is NOT mentioned as part of the diagnostic modalities for infecting pathogens in the information provided?

    <p>Inoculating loop</p> Signup and view all the answers

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