Nutrition Science Quiz
30 Questions
1 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

What is the primary function of Vitamin C?

  • Bone development
  • Antioxidant properties
  • Blood clotting
  • Wound healing (correct)
  • Which vitamin deficiency is associated with night blindness?

  • Vitamin E
  • Vitamin A (correct)
  • Vitamin D
  • Vitamin K
  • What deficiency is caused by a lack of Vitamin D?

  • Scurvy
  • Rickets (correct)
  • Osteoporosis
  • Beriberi
  • What is the function of Vitamin K?

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

    Which of the following is considered a major mineral?

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

    What is the primary goal of glucose catabolism?

    <p>To generate ATP (A)</p> Signup and view all the answers

    Which process occurs during glycolysis?

    <p>Splitting of one glucose molecule into two pyruvate acid molecules (D)</p> Signup and view all the answers

    What happens to pyruvic acid when oxygen is not available?

    <p>It is converted into lactic acid (C)</p> Signup and view all the answers

    In what way is lipid metabolism different from carbohydrate metabolism?

    <p>Breaks down fats to produce more energy (C)</p> Signup and view all the answers

    What are proteins primarily used for in the body?

    <p>Building tissue (B)</p> Signup and view all the answers

    What is the primary source of fuel for the body?

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

    What are macronutrients primarily composed of?

    <p>Carbohydrates, lipids, proteins, and water (B)</p> Signup and view all the answers

    What is the term for the amount of energy the body needs at rest?

    <p>Basal Metabolic Rate (BMR) (C)</p> Signup and view all the answers

    Which form of carbohydrates is known as complex carbohydrates?

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

    Which factor is NOT mentioned as influencing the metabolic rate?

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

    What is a common example of a disaccharide?

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

    Which hormone is known to stimulate appetite?

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

    What happens to muscle mass as a person ages, affecting their metabolic rate?

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

    Which nutrient type is essential for the body's health but not required in large amounts?

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

    What role does dietary fiber play in health?

    <p>It helps prevent large bowel disorders and cardiovascular disease. (B)</p> Signup and view all the answers

    What is one function of lipids in the body?

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

    Which type of fat is primarily derived from plants and tends to be liquid at room temperature?

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

    Complete proteins are distinguished by what characteristic?

    <p>They provide all essential amino acids (A)</p> Signup and view all the answers

    Which vitamins are absorbed with dietary fat and stored for later use?

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

    What is a major role of proteins in the body?

    <p>Forming structural components of cells (D)</p> Signup and view all the answers

    What is thermoregulation?

    <p>The process of balancing heat production with heat loss. (D)</p> Signup and view all the answers

    Which mechanism does NOT contribute to heat loss in the body?

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

    What effect does high body temperature have on blood vessels and sweat glands?

    <p>Blood vessels dilate and sweat glands increase sweat production. (A)</p> Signup and view all the answers

    Which of the following processes does NOT occur during the body's growth and maintenance?

    <p>Storing energy in fat cells (A)</p> Signup and view all the answers

    How does the hypothalamus contribute to temperature regulation?

    <p>By monitoring blood temperature and signaling other body systems. (A)</p> Signup and view all the answers

    Flashcards

    Vitamin C function

    Essential for wound healing

    Vitamin A role

    Needed for healthy night vision

    Vitamin D deficiency

    Causes rickets in children and osteomalacia in adults

    Vitamin E function

    Acts as an antioxidant

    Signup and view all the flashcards

    Role of minerals

    Support nerve function, brain health, heart, and blood cell production

    Signup and view all the flashcards

    Catabolism

    The breakdown of molecules into smaller components, releasing energy. Used in carbohydrate and lipid metabolism.

    Signup and view all the flashcards

    Anabolism

    The process of building larger molecules from smaller ones, using energy. Critical in protein metabolism.

    Signup and view all the flashcards

    Glycolysis

    The breakdown of glucose (sugar) into pyruvate, releasing a small amount of energy. Occurs with or without oxygen.

    Signup and view all the flashcards

    ATP

    Adenosine triphosphate; the primary energy currency of cells.

    Signup and view all the flashcards

    Aerobic Respiration

    The process of breaking down glucose using oxygen for maximum energy release.

    Signup and view all the flashcards

    Basal Metabolic Rate (BMR)

    The amount of energy the body needs at rest.

    Signup and view all the flashcards

    Macronutrients

    Nutrients the body needs in large amounts, including carbs, lipids, proteins, and water.

    Signup and view all the flashcards

    Carbohydrate Types

    Simple sugars (monosaccharides and disaccharides) and complex carbohydrates (polysaccharides).

    Signup and view all the flashcards

    Calorie

    A unit of heat or energy used to measure energy expenditure.

    Signup and view all the flashcards

    Dietary Fiber

    A group of carbohydrates that the body can't digest, crucial for health.

    Signup and view all the flashcards

    Metabolism

    The set of chemical reactions nutrients undergo after entering cells

    Signup and view all the flashcards

    Monosaccharides

    Simple sugars; glucose, fructose, galactose

    Signup and view all the flashcards

    Satiety

    Feeling of being satisfied after eating.

    Signup and view all the flashcards

    Factors affecting metabolic rate

    Body size, composition, gender, and age influence calorie burning at rest.

    Signup and view all the flashcards

    Polysaccharides

    Complex carbs; starches, found in vegetables, rice, etc.

    Signup and view all the flashcards

    Lipids function

    Lipids store excess energy, aid in vitamin absorption, contribute to cell structure, and insulate/protect the body

    Signup and view all the flashcards

    Saturated Fats

    Solid at room temp., mainly from animals (meat, dairy)

    Signup and view all the flashcards

    Unsaturated Fats

    Liquid at room temp., primarily found in plants (nuts, oils)

    Signup and view all the flashcards

    Complete Protein

    Supplies all essential amino acids

    Signup and view all the flashcards

    Water-soluble vitamins

    Absorbed with water, excreted by kidneys

    Signup and view all the flashcards

    Thermoregulation

    Maintaining a stable internal body temperature.

    Signup and view all the flashcards

    Heat loss mechanisms

    Radiation, conduction, and evaporation cool the body.

    Signup and view all the flashcards

    Hypothalamus role

    Body's thermostat, monitors & regulates temperature.

    Signup and view all the flashcards

    High body temp response

    Blood vessels widen, sweating increases.

    Signup and view all the flashcards

    Low body temp response

    Blood vessels narrow, shivering initiates.

    Signup and view all the flashcards

    Study Notes

    Vitamins

    • Water-soluble vitamins:
      • Vitamin C (ascorbic acid)
        • Function: wound healing
    • Fat-soluble vitamins:
      • Vitamin A (retinol)
        • Function: night vision
      • Deficiency symptoms:
        • Night blindness
      • Vitamin D (calciferol)
        • Function: development of bones and teeth
      • Deficiency symptoms:
        • Rickets (in children), osteomalacia (in adults)
      • Vitamin E (tocopherol)
        • Function: antioxidant
      • Deficiency symptoms: reproductive disorders
      • Vitamin K
        • Function: essential for normal blood clotting
      • Deficiency symptoms: blood coagulation disorders, hemorrhage

    Minerals

    • Function: various inorganic substances that the body needs
      • Nerve conduction
      • Brain function
      • Heart contraction
      • RBCs formation
    • Major minerals:
      • Calcium
      • Phosphorus

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Test your knowledge of essential vitamins and nutrients with this quiz. Questions cover functions, deficiencies, and metabolic processes related to vitamins and minerals. Perfect for students of nutrition or health sciences.

    More Like This

    Use Quizgecko on...
    Browser
    Browser