Metabolism and Nutrition Chapter 24 - Overview of Metabolic Reactions Quiz
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Questions and Answers

What is the primary method of transferring heat from a naked human to the air or water?

  • Convection (correct)
  • Conduction
  • Evaporation
  • Radiation

Which process is responsible for the transfer of heat via infrared waves?

  • Radiation (correct)
  • Conduction
  • Convection
  • Evaporation

What is the major component of Basal Metabolic Rate (BMR) energy expenditure?

  • Basic organ function (correct)
  • Thermoregulation
  • Physical activity
  • Postabsorptive state energy

Which nutrients require more energy to break down compared to carbohydrates?

<p>Proteins (D)</p> Signup and view all the answers

What is the primary method of transferring heat by contact?

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

Which type of vitamins are water-soluble?

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

Which of the following is true about catabolic reactions?

<p>They break down molecules to release energy. (D)</p> Signup and view all the answers

What is the primary role of ATP in metabolic reactions?

<p>To act as an energy currency for the body. (A)</p> Signup and view all the answers

Which of the following is true about the Krebs cycle?

<p>It produces ATP, NADH, and FADH2. (A)</p> Signup and view all the answers

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

<p>To generate ATP using the energy from NADH and FADH2. (C)</p> Signup and view all the answers

What is the primary role of gluconeogenesis?

<p>To synthesize glucose from non-carbohydrate precursors. (A)</p> Signup and view all the answers

What is the primary role of ketogenesis?

<p>To produce ketone bodies from excessive acetyl CoA. (C)</p> Signup and view all the answers

Which of the following is true about the urea cycle?

<p>It removes excess nitrogen from amino acids by converting it into urea. (D)</p> Signup and view all the answers

What is the primary function of cholecystokinin (CCK) in lipid metabolism?

<p>To stimulate the release of pancreatic lipase and bile salts. (B)</p> Signup and view all the answers

Which of the following metabolic states is characterized by the breakdown of glycogen and the use of fatty acids for energy?

<p>Starvation state (B)</p> Signup and view all the answers

What is the primary function of thermoregulation?

<p>To maintain a constant body temperature. (B)</p> Signup and view all the answers

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