F3: Fecalysis (Part 4: Specimen Collection-Macroscopic Examination) Flashcards
SPECIMEN COLLECTION
What specimen is used in fecalysis?
Stool duh
SPECIMEN COLLECTION
Through what method is stool collected? what size of stool?
Bedpan, pea-sized stool
SPECIMEN COLLECTION
T or F
Stool sample should not be contaminated with urine and water
T
Urine is toxic to the microorganisms present in the stool
SPECIMEN COLLECTION
Collection method for qualitative test for fecalysis?
Random collection
SPECIMEN COLLECTION
What container is used for qualitative test?
Plastic or glass with screw top
SPECIMEN COLLECTION
What collection is used for quantitative collection?
3 day collection
SPECIMEN COLLECTION
T or F
In specimen collection for fecal occult blood test, two samples from different parts of two stools are used
F (In specimen collection for fecal occult blood test, two samples from different parts of three stools are used)
(3 consecutive days)???
MACROSCOPIC EXAMINATION
What (3) parameters are used in macroscopic examination of stool?
Color, Appearance, Consistency
COLOR (& APPEARANCE)
Identify what result based on description:
brown due to urobilin and stercobilin
Normal
Identify what result based on description:
- biliary obstruction
- Grey, white, light yellow (pale colors)
- Due to the absence of stercobilin & urobilin
Pale (acholic) color
Identify what result based on description:
- UGIT (stomach): black, tarry (melena) stools
- LGIT (l. Intestine, anus): red stools (hematochezia)
Bleeding
Decomposed blood content and black color/melena stool
a. UGIT bleeding
b. LGIT bleeding
a. UGIT bleeding
Fresh blood and red colored stool
a. UGIT bleeding
b. LGIT bleeding
b. LGIT bleeding
APPEARANCE: CONSISTENCY