Protein: Kcal:N Ratio in Clinical Nutrition

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23 Questions

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

Increases protein needs

What is the protein:Kcal:N ratio for non-stressed, healthy individuals?


In the context of enteral formulas, what is the purpose of adding specific AA chains to some formulas?

Enhance protein quality

What is the Non-protein Kcal:N ratio when given 2000 Kcal and 84g of protein?


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

High-arginine formula

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

To meet sodium needs

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

Polymeric formula

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


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

$25 - 50$ ml/hr

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

To prevent interference with drug absorption

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

$Na, K, Mg, PO4$ content

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

They are absorbed directly into portal circulation

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

$\text{Omega-3 fatty acids (EPA/DHA)}$

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

Closed Enteral System

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


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

8 - 12 F

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

Specialty or Disease-specific Formula

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

Standard Polymeric Formula

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

6-37% of kcal

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

Modular Formula

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

When nutritional adequacy is a concern

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

Renal failure

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

<1 kcal/mL

This quiz covers the calculation and significance of the Protein: Kcal:N ratio in clinical nutrition formulas. It includes information on the impact of specific amino acid chains, such as BCAAs and arginine, on various patient conditions and the comparison of ratios for healthy and stressed individuals.

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