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Questions and Answers
Healthy stool is characterized by being red in color.
False
The pH range for a healthy stool falls between 6.1 and 7.9.
True
It is recommended to collect fecal samples in a wet container to preserve the quality of the specimen.
False
Stool should be refrigerated if it will take more than 1 hour to bring it to the laboratory.
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One should avoid consuming iron-containing drugs, meat, and fish at least 24 hours before collecting a stool sample for occult blood examination.
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The color of normal adult stool is mainly due to the presence of iron pigments.
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Green color in feces could be a result of consuming a diet rich in spinach.
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The presence of mucus in stool samples may facilitate the identification of trophozoites.
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Clay-colored stools are indicative of bleeding from the lower gastrointestinal tract.
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The abnormal feature in stool samples that may include Ascaris lumbricoides and Taenia spp. segments is blood.
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Study Notes
Characteristics of Healthy Stool
- Has a red color
- pH range falls between 6.1 and 7.9
Collecting and Preserving Fecal Samples
- Fecal samples should be collected in a wet container to preserve quality
- If it takes more than 1 hour to bring to the laboratory, stool should be refrigerated
Preparing for Occult Blood Examination
- Avoid consuming iron-containing drugs, meat, and fish at least 24 hours before collecting a stool sample
Factors Affecting Stool Color
- Normal adult stool color is mainly due to the presence of iron pigments
- Green color in feces can result from consuming a diet rich in spinach
- Clay-colored stools indicate bleeding from the lower gastrointestinal tract
Identification of Trophozoites
- Presence of mucus in stool samples can facilitate the identification of trophozoites
Abnormal Features in Stool Samples
- Presence of blood in stool samples may indicate the presence of Ascaris lumbricoides and Taenia spp. segments
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Description
Test your knowledge on stool analysis and pH range requirements for a healthy digestive system. Learn about the normal characteristics of stool and precautions for collecting fecal samples.
