Practice Quiz

Dietetic Technician DTR Exam Prep

Category - Dietetic Technician

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Which of the following is true for tube feedings with osmolality greater than 500 mOsm/kg?
  1. They can be administered full strength immediately.
  2. Their carbohydrate source is glucose oligosaccharides.
  3. They are used primarily for pre-operative nutrition.
  4. They are hyperosmolar and may cause diarrhea.
Explanation
Answer: D - Tube feedings with osmolality greater than 500 mOsm/kg are considered to be hyperosmolar, in comparison to body osmolality (275-295 mOsm/kg), and may cause diarrhea by pulling water into the gastrointestinal tract. Hyperosmolar tube feedings are usually diluted for the first few days of administration to build tolerance. Their carbohydrate sources and clinical applications vary.
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