Protein Sources for Older Adults

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What is the recommended per-meal anabolic threshold of dietary protein intake for older individuals?

25-30 g protein per meal (correct)
35-40 g protein per meal
45-50 g protein per meal
15-20 g protein per meal

Which amino acid is essential for optimizing muscle protein synthesis in older adults?

Isoleucine
Alanine
Leucine (correct)
Valine

According to the Protage study group, how much leucine is recommended per meal for older adults?

1.5-2 g leucine per meal
3.5-4 g leucine per meal
4.5-5 g leucine per meal
2.5-2.8 g leucine per meal (correct)

What is the method recommended by the Joint FAO/WHO Expert Consultation on Protein Quality Evaluation for evaluating protein quality?

Protein Digestibility Corrected Amino Acid Score (PDCAAS) method (D) Signup and view all the answers

Which of the following protein sources is an affordable way to get a good amount of leucine in older adults?

Dairy protein (B) Signup and view all the answers

Why is protein quality more important for older adults?

Because they require more protein (C) Signup and view all the answers

What is the recommended protein intake per meal to effectively stimulate muscle protein synthesis in older adults?

25-30 g (B) Signup and view all the answers

What is the primary limitation of soy as a protein source for older adults?

It may be less effective at stimulating myofibrillar protein synthesis (B) Signup and view all the answers

What is the typical consumption pattern of protein intake in older adults?

Skewed towards the evening meal (D) Signup and view all the answers

What is the benefit of spreading daily protein intake evenly throughout the day in older adults?

Increased muscle mass (C) Signup and view all the answers

What is the limitation of current research on protein intake and muscle protein synthesis in older adults?

There is insufficient research on vegan diets (A) Signup and view all the answers

What is the primary role of leucine in protein intake for older adults?

It is a stimulator of muscle protein synthesis (D) Signup and view all the answers

What is the primary factor to consider when incorporating protein sources into meals for optimal muscle protein synthesis?

Incorporating high-quality protein sources that supply sufficient amounts of all essential amino acids (C) Signup and view all the answers

What is a common issue with plant-based protein sources that can impede protein synthesis?

Impaired digestion and absorption due to anti-nutritional factors (A) Signup and view all the answers

According to the PDCAAS method, what is the protein digestibility corrected amino acid score of whey?

1.0 (A) Signup and view all the answers

What is a key consideration when evaluating protein quality in different food sources?

Digestibility and bioavailability (B) Signup and view all the answers

What is a potential consequence of inadequate protein intake, particularly in older adults?

Age-related decline in muscle mass and function (A) Signup and view all the answers

What is a key challenge in designing a vegan diet that supports optimal muscle protein synthesis?

Managing anti-nutritional factors in plant-based protein sources (D) Signup and view all the answers