The Gastrointestinal System MED-Surg Questions and Answers Already Passed

The Gastrointestinal System MED-Surg Questions and Answers Already Passed What are the functions of the digestive tract? -Answer Ingestion Digestion Absorption of Nutrients Elimination of Wastes What are the main accessory structures of the digestive tract? -Answer Mouth, pharynx, esophagus, stomach, small intestine, large intestine, Anus. What are the accessory structures of the digestive tract? -Answer Salivary glands, liver, gallbladder, Pancreas Diagnostic Tests and Procedures -Answer Radio-graphic studies: CT-computed tomography Virtual colonoscopy MRI- magnetic Resonance imaging-provides better view normal vs. abnormal pathological tissue. Endoscopic Tests Colonoscopy: Pt, (NPO) for several hours, prior to procedure for prepping bowels. (Risk for Electrolyte imbalances, dehydration and metabolic acidosis. Laboratory Studies (Contrast media assess for allergies (SHELLFISH ALLERGIES). -Answer Gastric analysis, occult blood test, stool examination. Collecting stool samples -Answer 1) Collect stool in a clean dry container, NO urine should be in the container, urine destroys parasites. Collecting stool samples -Answer NO toilet paper should be discarded in the container, toilet paper contains bismuth which interferes with some tests. Collecting stool samples -Answer 2) Best deliver specimens to lab right immediately Collecting stool samples -Answer If storage is necessary than specimens for ova parasites needs to be kept warm Collecting stool samples -Answer Specimens for pathogens should be refrigerated Collecting stool samples -Answer NO red meat for 2-3 days prior to occult blood testing