Introduction to Fecalysis Flashcards
It is the end product of digestion
Feces
What is the range of grams of feces secreted in 24 hours?
100 to 200g
It is a common procedure performed in the area of parasitology.
Ova and Parasite
It refers to egg stage
Ova
It refers to morphologic forms
Parasite
It is used for cultures, ova, and parasites, microscopic examinations for cells, fats, and fibers.
Random samples
How many hours do samples for fecal fats?
72 hours
The collection protocol consists of
3 specimens in 10 days
In Amebiasis, how many specimens are acceptable?
6 specimens in 14 days
Stool samples from therapy should be collected before therapy or not until?
5 to 7 days
Patient taking antibiotics or malarial medications should be?
Delayed for 2 weeks following therapy
How many grams of feces in the container is acceptable?
2 to 5 grams | size of a walnut
Labeled properly in sample feces
I. Patient’s name
II. Date and time collection
III. Identification number
IV. Physician’s name
A. I, II, III
B. I, II, III, IV
C. II, III, IV
D. II, IV
B. I, II, III, IV
Fresh specimens must be processed immediately to demonstrate the motility of protozoan trophozoites, within how many minutes?
30 minutes
3 parts of fixative to 1 part of the stool.
- Formalin
- Polyvinyl Alcohol
- Sodium Acetate Formalin
- Modified Polyvinyl Alcohol
What types of parasites are found in the formed stool?
Cysts
What types of parasites are found in the liquid stool?
Trophozoites
What types of parasites are found in both liquid and formed stool?
Helminths egg and larvae
What types of parasites are found in gross abnormalities?
Adult worm, proglottids pus, and mucus
The brown color is from?
Bilirubin
The pale color is from?
Bile duct blockage and barium sulfate
The blood or red color from??
Digestive tract | Lower tract
The black color from?
Upper tract
The green color from?
Antibiotics, bilirubin to biliverdin, and green vegetables
It provides the ability to detect small numbers of parasites that might not be detected using direct wet preps.
Concentration methods
What is the most recommended technique used to perform efficiently and easily?
Sedimentation
Duodenal material may be collected by?
Nasogastric intubation or Enteric capsule test (Enterotest)
If Duodenal fluid volume is >2mL, what must be used?
Sediments
Sigmoidoscopy material is the detection of?
Entamoeba histolytica
Cellophane tape preparation is the detection of?
Enterobius vermicularis eggs
This method does not have a common means of detecting parasites.
Culture methods
It is a technique used for the diagnosis of Chagas disease.
Xenodiagnosis
