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Introduction to Metabolism quiz

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  • Which substance does your body use fat to produce? A) Glucose B) Amino acids C) Ketones D) Glycogen
    C) Ketones
  • What is not a primary use of proteins in metabolism?
    Proteins are primarily used for energy production.
  • Which of these processes is associated with the postabsorptive state? A) Glycogen synthesis B) Lipogenesis C) Gluconeogenesis D) Protein synthesis
    C) Gluconeogenesis
  • What factors affect alcohol metabolism?
    All of the above (Age, Gender, Genetic factors)
  • What does the human brain prefer to metabolize as its energy source? A) Fatty acids B) Ketones C) Glucose D) Proteins
    C) Glucose
  • Does physical exercise involve anabolic and/or catabolic processes? Give evidence for your answer.
    Physical exercise involves both anabolic and catabolic processes. Catabolic processes break down molecules to release energy for muscle contraction, while anabolic processes help in muscle repair and growth.
  • What did Sutherland discover about glycogen metabolism in liver cells?
    Sutherland discovered that glycogen metabolism in liver cells is regulated by hormones, specifically epinephrine, which activates glycogen breakdown.
  • What is the brain's preferred fuel source?
    The brain's preferred fuel source is glucose.
  • Which is correct regarding the rate of alcohol metabolism? A) It is constant regardless of the amount consumed. B) It varies based on individual factors. C) It increases with higher alcohol intake. D) It decreases with higher alcohol intake.
    B) It varies based on individual factors.
  • What is the primary source of fuel for the brain?
    The primary source of fuel for the brain is glucose.
  • What is the body’s main source of fuel?
    The body's main source of fuel is glucose.
  • What is stored in the liver and muscles?
    Glycogen is stored in the liver and muscles.
  • Which factors influence metabolic rates?
    Metabolic rates can be influenced by age, gender, and activity level.
  • What is a by-product of the catabolism of proteins?
    Ammonia
  • What organ is the primary user of glucose in the body?
    The brain is the primary user of glucose in the body.
  • Which condition increases a person's metabolic rate?
    Exercise
  • Which metabolic process is not catabolic?
    Protein synthesis
  • Which is a major waste product of protein metabolism?
    Ammonia is a major waste product of protein metabolism.
  • Where is excess glucose stored in the body?
    Excess glucose is stored as glycogen in the liver and muscles.
  • What is an incorrect statement about the control of glycogen metabolism?
    Glycogen synthesis occurs during fasting.
  • What situation results in a buildup of ketones in the blood?
    Prolonged fasting
  • Which metabolic process produces ammonia?
    The catabolism of proteins produces ammonia.
  • What is metabolic water?
    Metabolic water is water produced during the metabolism of nutrients, particularly during the breakdown of fats.
  • Which activities are part of a measurement of basal metabolism? A) Sleeping B) Eating C) Exercising D) Digesting food
    A) Sleeping
  • What is the most toxic by-product of metabolism?
    Ammonia