Mastering Metabolism
25 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which process involves breaking down complex molecules like carbohydrates, fats, and proteins into simpler compounds to release energy for cellular activities?

  • Anabolism
  • Catabolism (correct)
  • Synthesis
  • Metabolism
  • Which process synthesizes complex molecules from simpler compounds requiring energy input?

  • Breakdown
  • Metabolism
  • Catabolism
  • Anabolism (correct)
  • What is the main objective of the body's metabolism?

  • To maintain homeostasis (correct)
  • To store excess energy
  • To regulate hormones
  • To build and repair tissues
  • What factors regulate metabolism?

    <p>Various factors including hormones, enzymes, and genetic factors</p> Signup and view all the answers

    What can variations in metabolic rates affect?

    <p>Weight management and energy levels</p> Signup and view all the answers

    What are the two main processes of metabolism?

    <p>Catabolism and Synthesis</p> Signup and view all the answers

    What is the role of anabolism in metabolism?

    <p>To synthesize complex molecules for growth and repair</p> Signup and view all the answers

    Why is weight loss challenging according to the text?

    <p>Due to starvation survival mechanisms built into DNA</p> Signup and view all the answers

    Which hormone is responsible for increasing hunger and cravings triggered by survival mechanisms?

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

    What happens to willpower and impulsivity when hunger increases?

    <p>They decrease</p> Signup and view all the answers

    Which hormone is associated with reward-seeking behavior due to heightened dopamine sensitivity?

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

    According to the experiment comparing anorexic women to healthy women, what did higher ghrelin levels correlate with?

    <p>Immediate rewards</p> Signup and view all the answers

    What happens to previously obese people in terms of calorie burning and fat accumulation?

    <p>They burn fewer calories and accumulate more fat</p> Signup and view all the answers

    What happens to fat cells during weight loss?

    <p>They shrink but remain primed to store more fat</p> Signup and view all the answers

    What hormone stimulates the replication of fat cell precursors that eventually become fat cells?

    <p>Neuropeptide Y</p> Signup and view all the answers

    What is the consequence of losing lean muscle tissue during weight loss?

    <p>Feeling physically weak</p> Signup and view all the answers

    Which macronutrient is considered the most important for dieting and muscle building?

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

    Which of the following is NOT mentioned as a self-defense mechanism that can hinder long-term weight loss?

    <p>Natural metabolism</p> Signup and view all the answers

    Why do our brains find salt, sugar, and fat delicious?

    <p>They were scarce in prehistoric times</p> Signup and view all the answers

    What did a study with rats suggest about the addictive nature of sweet taste?

    <p>Rats preferred sweeteners over cocaine</p> Signup and view all the answers

    What can high fructose corn syrup do to satiety and lead to?

    <p>Reduce satiety and cause overeating</p> Signup and view all the answers

    What happens to leptin levels when you lose fat?

    <p>Leptin levels decrease</p> Signup and view all the answers

    What happens to testosterone levels during extreme dieting phases?

    <p>Testosterone levels drop by 70-to-80%</p> Signup and view all the answers

    What happens to basal metabolic rate when thyroid activity lowers?

    <p>Basal metabolic rate plummets</p> Signup and view all the answers

    What effect does metabolic adaptation have on non-exercise activity thermogenesis (NEAT)?

    <p>NEAT slows down</p> Signup and view all the answers

    More Like This

    Mastering Metabolism
    109 questions

    Mastering Metabolism

    ConstructiveOcean avatar
    ConstructiveOcean
    Mastering Metabolism
    5 questions

    Mastering Metabolism

    TroubleFreeMalachite7530 avatar
    TroubleFreeMalachite7530
    Use Quizgecko on...
    Browser
    Browser