paralab

• What is the most common specimen submitted for parasitological examination?

  Fresh fecal sample
• What does O&P stand for in fecal analysis?

  Ova and Parasite
• What are the types of specimens besides fecal samples?

  • Sputum (early morning specimen)
  • Duodenal aspirate
  • Proctosigmoidoscopic material
• What type of container is required for fecal samples?

  Clean, clear, disposable, leak-proof
• What mnemonic helps remember the container requirements for fecal samples?

  Check This Dope! Wacky Little White T-Shirt
• What information must be labeled on the sample container?

  Patient's name, date, time, type of specimen
• What is the minimum amount of fecal sample required?

  2-5 grams or at least 10cc
• How many specimens are typically collected for stool analysis?

  Minimum of 3 specimens
• Why might collecting 3 specimens every other day be impractical?

  It is not practical for typical stool collection
• What are some special conditions for sampling fecal specimens?

  Use clean paper cartons or bedpans
• What method is used for collecting infant stool samples?

  Swabber method from the diaper
• What substances can contaminate fecal specimens?

  Urine, toilet water, soil, talc powder
• How does toilet water affect fecal specimen analysis?

  It contains protozoans that may confuse results
• What effect do suppressive agents have on fecal specimens?

  They destroy select parasites like schistosome eggs
• What medications can lead to unsatisfactory fecal samples?

  Barium, bismuth, mineral oils
• When should fecal samples be collected if medications are involved?

  Before therapy or 5-7 days after
• How long should collection be delayed after anti-malarial drugs?

  2 weeks following therapy
• What are the safety precautions for handling fecal specimens?

  • Use protective coats
  • Follow OSHA guidelines
  • Properly label fixatives
  • Designate specific handling areas
• What does each fecal specimen represent?

  A potential source of infectious material
• Why is proper labeling of fixatives important?

  To prevent mix-ups and ensure safety
• What is the purpose of designated areas for specimen handling?

  To ensure safety and prevent contamination