Stool Sample Lab 11715 Stool Sample Lab Key

Stool Sample Lab

11/7/15 Stool Sample Lab • Key Question: What does the color of stool mean? • Initial Thoughts:

Evidence- Reading http: //www. emedicinehealth. com/stool_color_changes/pa ge 2_em. htm 15 minutes to read the article and write notes

Evidence At each of the lab stations answer the following questions: 1. What color of stool do you see? 2. What causes stool to be that color? 3. What symptoms would be evident if that color was passed? 4. Should the person go to the doctor? Explain

Evidence Stool color Green Light-colored, white or claycolored Yellow, greasy, foul-smelling Black Bright red What it may mean Food may be moving through the large intestine too quickly, such as due to diarrhea. As a result, bile doesn't have time to break down completely. Possible dietary causes Green leafy vegetables, green food coloring, such as in flavored drink mixes or ice pops, iron supplements. Certain medications, such as large doses of bismuth A lack of bile in stool. This may subsalicylate (Kaopectate, indicate a bile duct obstruction. Pepto-Bismol) and other antidiarrheal drugs. Excess fat in the stool, such as Sometimes the protein gluten, due to a malabsorption such as in breads and cereals. disorder, for example, celiac But see a doctor for evaluation. disease. Bleeding in the upper Iron supplements, bismuth gastrointestinal tract, such as subsalicylate (Kaopectate, the stomach. Pepto-Bismol), black licorice. Bleeding in the lower intestinal Red food coloring, beets, tract, such as the large cranberries, tomato juice or intestine or rectum, often soup, red gelatin or drink from hemorrhoids. mixes.

Analysis 1. Why can’t people with liver problems eat fatty foods? 2. Why do babies have so varied colors of stool compared to adults? 3. Does having a colored stool besides brown always mean you’re sick? Explain

Summary Minimum of 4 sentences What did you think before about what the color of stool meant? (look back at your initial thoughts) What did you learn about the color of stool? What evidence do you have that you learned this? Further Thoughts Make sure this is thoughtful and thorough.

Reflection If a person had green stool, what would you tell them? How would they fix it?

Big Idea The color of your stool can tell you how well your digestive system is working.