OTHER SPECIMENS AND LABORATORY TECHNIQUES

• Fecal specimens are commonly evaluated for parasites because:

  = Most parasites reside in the gastrointestinal tract
• Which of the following body sites is NOT typically associated with parasite infections?

  = Blood, Urine, Respiratory system, Central nervous system

  = Urine
• Specimens collected from non-gastrointestinal body sites for parasite examination may include:

  = Blood, urine, respiratory secretions, and genital specimens
• Specialized laboratory techniques for detecting parasites in non-gastrointestinal specimens may include:

  = Polymerase chain reaction (PCR) testing

  = Serological testing

  = Microscopic examination
• Which body site is commonly examined for the detection of malaria parasites?= Blood, Urine, Respiratory secretions, Cerebrospinal fluid (CSF)

  = Blood
• When examining blood specimens for malaria parasites, which technique is commonly used?-Polymerase chain reaction (PCR) testing-Thick and thin blood film microscopy-Enzyme-linked immunosorbent assay (ELISA)

  -Acid-fast staining

  = Thick and thin blood film microscopy
• Which body site is typically examined for the detection of respiratory parasites, such as Aspergillus spp. or Pneumocystis jirovecii?-Urine-Sputum or bronchoalveolar lavage (BAL) fluid-Cerebrospinal fluid (CSF)

  -Blood

  = Sputum or bronchoalveolar lavage (BAL) fluid
• What is a common specialized technique used for the detection of parasites in respiratory specimens?

  = Culture and identification of organisms
• Genital specimens are typically collected for the detection of:

  = Trichomonas vaginalis
• Which specialized laboratory technique is commonly used for the detection of Trichomonas vaginalis in genital specimens?

  • Acid-fast staining
  • Polymerase chain reaction (PCR) testing
  • Wet mount microscopy
  • Immunofluorescence assay (IFA)

  = Wet mount microscopy