Metabolism and Nutrition Chapter 24.1 Quiz
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Questions and Answers

What percentage of the energy used during ATP production is converted to heat?

  • 60% (correct)
  • 10%
  • 80%
  • 40%

Which of the following is the primary mode of heat transfer that accounts for 60% of heat loss from the human body?

  • Radiation (correct)
  • Evaporation
  • Convection
  • Conduction

What percentage of the body's energy expenditure is attributed to thermoregulation?

  • 10% (correct)
  • 90%
  • 20%
  • 70%

Which of the following vitamins is considered water-soluble?

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

What is the relationship between energy consumed and energy expended, as it relates to weight gain or loss?

<p>Energy consumed minus energy expended equals weight gain or loss, and 3500 calories is 1 pound of fat. (C)</p> Signup and view all the answers

Which of the following is the primary component of the body's Basal Metabolic Rate (BMR)?

<p>Basic organ function (D)</p> Signup and view all the answers

What is the main function of catabolic reactions in metabolism?

<p>Breaking down molecules to release energy (A)</p> Signup and view all the answers

Which of the following hormones is classified as anabolic in the context of metabolism?

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

In carbohydrate metabolism, what is the fate of pyruvate if oxygen is present?

<p>Enters the Krebs cycle (D)</p> Signup and view all the answers

What is the primary function of the electron transport chain (ETC) in metabolism?

<p>Produce ATP from NADH and FADH2 (B)</p> Signup and view all the answers

Which molecule is NOT involved in gluconeogenesis?

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

What is the role of ATP in metabolism?

<p>Energy currency of the body (A)</p> Signup and view all the answers

Which of the following is true about anabolic reactions in metabolism?

<p>Form larger molecules using energy (C)</p> Signup and view all the answers

In the Krebs cycle, what is the end product that starts the cycle over again?

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