Protein: Kcal:N Ratio in Clinical Nutrition
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Questions and Answers

What effect does a lower Kcal:N ratio have on a patient's protein needs?

  • Increases protein needs (correct)
  • No effect on protein needs
  • Decreases protein needs
  • Balances protein needs
  • What is the protein:Kcal:N ratio for non-stressed, healthy individuals?

  • 250:1
  • 300:1 (correct)
  • 200:1
  • 350:1
  • In the context of enteral formulas, what is the purpose of adding specific AA chains to some formulas?

  • Enhance protein quality (correct)
  • Reduce osmolarity
  • Increase carbohydrate content
  • Change fat composition
  • What is the Non-protein Kcal:N ratio when given 2000 Kcal and 84g of protein?

    <p>128:1</p> Signup and view all the answers

    Which high-nitrogen formula is typically recommended for critically ill patients?

    <p>High-arginine formula</p> Signup and view all the answers

    In enteral formulas, what is the purpose of adding salt to home-prepared Blenderized Tube Feeds (BTFs)?

    <p>To meet sodium needs</p> Signup and view all the answers

    What type of formula contains fructooligosaccharides (FOS) which stimulate the production of beneficial bifidobacteria?

    <p>Polymeric formula</p> Signup and view all the answers

    Which fatty acids are most prevalent in structured lipids found in specialty enteral formulas?

    <p>EPA/DHA</p> Signup and view all the answers

    What is the recommended hourly initiation rate for gastric feeding when starting enteral nutrition?

    <p>$25 - 50$ ml/hr</p> Signup and view all the answers

    Why is it recommended to stop feeding before and after administering phenytoin to patients?

    <p>To prevent interference with drug absorption</p> Signup and view all the answers

    Which factor should be considered when choosing an enteral formula for a patient with specific cardiopulmonary, renal, or hepatic conditions?

    <p>$Na, K, Mg, PO4$ content</p> Signup and view all the answers

    What is the main advantage of formulas containing medium-chain triglycerides (MCTs) in enteral nutrition?

    <p>They are absorbed directly into portal circulation</p> Signup and view all the answers

    $\text{Which component helps in preventing essential fatty acid deficiency (EFAD) in enteral formulas?}$

    <p>$\text{Omega-3 fatty acids (EPA/DHA)}$</p> Signup and view all the answers

    Which enteral feeding system has a hang time of 24-48 hours for safe delivery to the patient?

    <p>Closed Enteral System</p> Signup and view all the answers

    Which type of feeding tube is recommended for patients requiring tube feed for more than 3-4 weeks?

    <p>PEG</p> Signup and view all the answers

    What is the diameter range of feeding tubes typically used for jejunostomy?

    <p>8 - 12 F</p> Signup and view all the answers

    What type of formula is specifically designed for patients with compromised gastrointestinal function?

    <p>Specialty or Disease-specific Formula</p> Signup and view all the answers

    Which enteral formula category typically includes dipeptides, tripeptides, oligopeptides, or amino acids?

    <p>Standard Polymeric Formula</p> Signup and view all the answers

    What is the protein content range in enteral formulas in terms of kcal percentage?

    <p>6-37% of kcal</p> Signup and view all the answers

    Which type of formulas are generally used as supplements rather than primary sources of nutrition?

    <p>Modular Formula</p> Signup and view all the answers

    In what context would a patient benefit from using a blenderized (homemade) formula?

    <p>When nutritional adequacy is a concern</p> Signup and view all the answers

    'High-nitrogen formulas' are often used in which condition?

    <p>Renal failure</p> Signup and view all the answers

    'Standard Polymeric Formula' is lactose-free and contains how many kcal per milliliter?

    <p>&lt;1 kcal/mL</p> Signup and view all the answers

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