Exercise Physiology Quiz

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Questions and Answers

What is the recommended intake of carbohydrates for the average adult per day?

  • 200-250g
  • 150-200g (correct)
  • 50-100g
  • 100-150g

Which of the following is NOT a classification of carbohydrates according to chemical structure?

  • Monosaccharides
  • Decisaccharides (correct)
  • Polysaccharides
  • Disaccharides

What is the glycaemic index (GI)?

  • A measure of how much glucose is in the blood
  • A measure of how much insulin is produced
  • A measure of how much glycogen is stored
  • A measure of how quickly carbohydrates are digested and absorbed (correct)

What is the effect of carbohydrate intake on exercise performance?

<p>Positive effect (C)</p> Signup and view all the answers

What is the process of glycolysis?

<p>The breakdown of glucose into ATP (A)</p> Signup and view all the answers

What is the role of lactate in the body?

<p>To buffer acid in the blood (D)</p> Signup and view all the answers

What is the difference between aerobic and anaerobic glycolysis?

<p>Aerobic glycolysis requires oxygen, while anaerobic glycolysis does not (C)</p> Signup and view all the answers

What is oxidative phosphorylation?

<p>The production of ATP from the electron transport chain (B)</p> Signup and view all the answers

What is the mechanism of the bicarbonate buffering system?

<p>It buffers acid in the blood by producing bicarbonate (B)</p> Signup and view all the answers

What are slow-twitch oxidative muscle fibres?

<p>Muscle fibres that contract slowly and are used for endurance activities (B)</p> Signup and view all the answers

What is the predominance of muscle fibre phenotype in long-distance runners?

<p>Slow-twitch oxidative fibres (A)</p> Signup and view all the answers

What is the purpose of an exercise assessment following standardised research methodologies?

<p>To assess the participant's fitness level (D)</p> Signup and view all the answers

What is the recommended carbohydrate intake per hour for endurance athletes during exercise?

<p>30-60 grams (C)</p> Signup and view all the answers

What is the glycaemic index (GI) and how is it relevant to exercise performance?

<p>The GI is a measure of how quickly carbohydrates are absorbed into the bloodstream, and it is relevant to exercise performance because it affects blood glucose levels and insulin response. (D)</p> Signup and view all the answers

What is the effect of carbohydrate intake on exercise performance for high-intensity, short-duration activities?

<p>Carbohydrate intake improves exercise performance for high-intensity, short-duration activities. (A)</p> Signup and view all the answers

What is the effect of carbohydrate intake on exercise performance for endurance activities?

<p>Carbohydrate intake improves exercise performance for endurance activities. (D)</p> Signup and view all the answers

What happens to blood glucose concentrations during exercise?

<p>Blood glucose concentrations decrease during exercise. (C)</p> Signup and view all the answers

What is the process of lactic acid production and how is it relevant to exercise intensity?

<p>Lactic acid is produced during anaerobic exercise and is relevant to exercise intensity because it indicates the body is using oxygen efficiently. (B)</p> Signup and view all the answers

What is the mechanism of the bicarbonate buffering system and how is it relevant to exercise performance?

<p>The bicarbonate buffering system neutralizes acid produced during exercise and is relevant to exercise performance because it delays fatigue. (D)</p> Signup and view all the answers

What is the predominance of muscle fibre phenotype in powerlifters?

<p>Glycolytic fibres (C)</p> Signup and view all the answers

What is the predominance of muscle fibre phenotype in long-distance runners?

<p>Slow-twitch oxidative fibres (C)</p> Signup and view all the answers

What is the purpose of conducting an exercise assessment following standardised research methodologies?

<p>To evaluate the effectiveness of an exercise intervention (A)</p> Signup and view all the answers

What is the recommended daily intake of carbohydrates for an athlete engaged in high-intensity exercise?

<p>Between 300-400 grams (D)</p> Signup and view all the answers

Which of the following is NOT a classification of carbohydrates according to chemical structure?

<p>Oligosaccharides (A)</p> Signup and view all the answers

What is the recommended carbohydrate intake during exercise lasting longer than 60 minutes?

<p>Between 30-60 grams per hour (D)</p> Signup and view all the answers

What is the relationship between the glycaemic index (GI) and insulin response?

<p>A high GI leads to a high insulin response (A)</p> Signup and view all the answers

What is the effect of carbohydrate intake on exercise performance during short-duration, high-intensity exercise?

<p>Carbohydrate intake improves exercise performance (A)</p> Signup and view all the answers

What is the process of gluconeogenesis?

<p>The synthesis of glucose from non-carbohydrate sources (A)</p> Signup and view all the answers

What is the primary fuel source for exercise lasting longer than 2 hours?

<p>Fat (C)</p> Signup and view all the answers

What is the role of lactate in the body during exercise?

<p>Lactate is a fuel source for the body (B)</p> Signup and view all the answers

What is the difference between aerobic and anaerobic glycolysis?

<p>Aerobic glycolysis requires oxygen, while anaerobic glycolysis does not (C)</p> Signup and view all the answers

What is the role of the citric acid cycle in energy production?

<p>To produce ATP from glucose (B)</p> Signup and view all the answers

What is the mechanism of the bicarbonate buffering system in the body?

<p>To buffer acid produced during exercise (B)</p> Signup and view all the answers

What is the predominance of muscle fiber phenotype in powerlifters?

<p>Glycolytic fibers (C)</p> Signup and view all the answers

What is the recommended intake of carbohydrates for exercise performance?

<p>30-60 grams per hour (C)</p> Signup and view all the answers

What is the primary source of energy during high-intensity exercise?

<p>Carbohydrates (A)</p> Signup and view all the answers

What is the role of the glycaemic index (GI) in relation to carbohydrate intake?

<p>It measures the rate at which a food raises blood glucose levels (B)</p> Signup and view all the answers

What is the process of lactic acid production during exercise?

<p>The breakdown of glucose without oxygen (B)</p> Signup and view all the answers

What is the role of lactate in the body during exercise?

<p>It is a fuel source for muscles (A)</p> Signup and view all the answers

What is the primary energy system used during prolonged low-intensity exercise?

<p>Aerobic glycolysis (A)</p> Signup and view all the answers

What is the mechanism of the bicarbonate buffering system during exercise?

<p>It removes carbon dioxide to maintain pH balance (C)</p> Signup and view all the answers

What are the three types of muscle fibers?

<p>Type I, Type IIa, and Type IIb fibers (B)</p> Signup and view all the answers

What is the predominance of muscle fiber phenotype in sprinters?

<p>Type IIb fibers (B)</p> Signup and view all the answers

What is the recommended time frame for consuming carbohydrates after exercise to optimize glycogen resynthesis?

<p>1 hour (C)</p> Signup and view all the answers

What is the recommended carbohydrate intake for endurance athletes during exercise lasting longer than 2 hours?

<p>200-250 grams per hour (A)</p> Signup and view all the answers

What is the recommended method for collecting and analyzing a blood sample for blood glucose concentration during an exercise assessment?

<p>Venous blood sample and laboratory analysis (C)</p> Signup and view all the answers

Describe the role, function and recommended intake of ______ within the body

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

Describe and classify carbohydrates according to ______ structure

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

Describe the role of carbohydrate in exercise performance, including feeding during endurance events and factors influencing ______ emptying

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

Define the glycaemic index (GI) and relevance to carbohydrate and associated ______ responses

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

Describe how carbohydrate intake affects exercise performances of different durations and ______.

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

Explain changes in blood glucose concentrations during ______.

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

Conduct an exercise assessment following standardised research ______

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

Demonstrate the ability to collect and analyse a blood sample for blood ______ concentration

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

Analyse and interpret the results of an exercise ______

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

Describe in detail the process of glycolysis including by not limited to the use and resynthesis of ATP, enzymatic contributions, the process of lactic acid production, the citric acid cycle and electron ______ chain

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

Describe specific types of muscle ______ including but not limited to slow-twitch oxidative, fast- twitch oxidative glycolytic ______ and glycolytic ______

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

Describe the predominance of muscle fibre phenotype in specific ______ cohort

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

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