Protein Knowledge for Elite Athletes

Which amino acid is considered essential for stimulating muscle protein synthesis in elite athletes?

• Leucine

• Glycine

• Serine

• Tyrosine

The optimal protein intake for elite endurance athletes is approximately how many grams per kilogram of body weight per day?

• 0.8 g/kg

• 1.2 g/kg

• 1.6 g/kg

• 2.0 g/kg

In which metabolic pathway is the branched-chain amino acid (BCAA) leucine predominantly involved, particularly important for athletes?

• Glycolysis

• Citric Acid Cycle

• mTOR signalling pathway

• Urea cycle

What is the primary benefit of protein timing, especially for elite athletes post-exercise?

• Enhanced muscle glycogen storage

• Improved cardiovascular endurance

• Increased fat oxidation

• Enhanced muscle repair and growth

Which protein source is considered to have the highest biological value (BV), making it highly beneficial for elite athletes?

• Soy protein

• Casein protein

• Whey protein

• Pea protein

What is the recommended daily protein intake for a 70 kg elite endurance athlete?

• 56 grams

• 84 grams

• 112 grams

• 140 grams

Which of the following is a non-essential amino acid that can be synthesised by the human body?

• Valine

• Lysine

• Glutamine

• Methionine

What is the primary role of branched-chain amino acids (BCAAs) in muscle metabolism?

• Energy production

• Fat storage

• Muscle protein breakdown

• Muscle protein synthesis

Which of the following is a complete protein source, containing all essential amino acids?

• Lentils

• Quinoa

• Almonds

• Rice

How many ounces are there in a typical protein shake serving that contains 25 grams of protein?

• 8 ounces

• 12 ounces

• 16 ounces

• 20 ounces