Dr. Richmond Nutrition

50 Questions

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Nutrition Quizzes & Trivia

Nutrition


Questions and Answers
  • 1. 
    The most concentrated source of energy is:
    • A. 

      Carbohydrate

    • B. 

      Protein

    • C. 

      Lipids

    • D. 

      Fats

  • 2. 
    Digested lipids transported in lymph in:
    • A. 

      Fatty acids

    • B. 

      Chylomicrons

    • C. 

      Lipase

    • D. 

      Cytosol

  • 3. 
    Which prefer fatty acids for energy source?
    • A. 

      Cardiac muscle

    • B. 

      Skeletal muscle

    • C. 

      Liver

    • D. 

      All of the above

  • 4. 
    Keteogenesis is:
    • A. 

      Accumulation of Acetyl CoA

    • B. 

      Too little Acetyl CoA

    • C. 

      Just the right amount of CoA

  • 5. 
    Where is Acetyly CoA converted to ketone bodies (ketones)?
    • A. 

      Gall bladder

    • B. 

      Pancreas

    • C. 

      Small intestine

    • D. 

      Liver

  • 6. 
    Ketone bodies released into the blood causes pH to:
    • A. 

      Become neutral

    • B. 

      Become acidic

    • C. 

      Become alkaline

  • 7. 
    ____________ burn in the flame of carbohydrates.
  • 8. 
    What factors lead to ketosis?
    • A. 

      Increased pH, coma, increased nervous system activity

    • B. 

      Diabetes insipidus, overeating, increased exercise

    • C. 

      Starvation, extreme dieting, diabetes mellitus

  • 9. 
    Ketone bodies are excreted in ____________
  • 10. 
    When ketone bodies are excreted blood pH ______________
  • 11. 
    What can happen when nervous system activity declines?
    • A. 

      Coma

    • B. 

      Diabetic acidosis

    • C. 

      Metabolic acidosis

    • D. 

      Death

  • 12. 
    In lipogenesis cellular ATP and cellular glucose is:
    • A. 

      Low

    • B. 

      High

  • 13. 
    True or False: In lipogenesis condensation of molecules of acetyl CoA occur and glucose is easily converted to fat (acetyl CoA).
    • A. 

      False

    • B. 

      True

  • 14. 
    Excess dietary protein can be:
    • A. 

      Wasted

    • B. 

      Oxidized for energy

    • C. 

      Converted to fat

    • D. 

      Both b and c

  • 15. 
    The removal of amine group (NH2) and glutamic acid is:
    • A. 

      Deamination

    • B. 

      Tramsamination

  • 16. 
    The removal of amine group from glutamic acid, NH3 + CO2 -> Urea ->Blood, excreted in urine is:
    • A. 

      Deamination

    • B. 

      Transamination

  • 17. 
    Insulin lowers blood glucose and enhances glucose oxidation or storage as:
    • A. 

      Fructose and lactose

    • B. 

      Sucrose and starch

    • C. 

      Amino and fatty acids

    • D. 

      Glycogen and triglycerides

  • 18. 
    True or False: Insulin decreases active transport of amino acids.
    • A. 

      False

    • B. 

      True

  • 19. 
    When insulin levels are high, what is inhibited?
    • A. 

      Glucolysis in liver

    • B. 

      Gluconeogenesis

    • C. 

      Both A and B

    • D. 

      None of the above is inhibited

  • 20. 
    Diabetes mellitus results in:
    • A. 

      Glucose excreted in urine

    • B. 

      Metabolic Acidosis

    • C. 

      Protein wasting

    • D. 

      Weight loss

    • E. 

      A,B,C & D

  • 21. 
    What are the 4 sources of blood glucose?
    • A. 

      Amino acids, fatty acids, keto acids, glycerol

    • B. 

      Active transport, facilitated diffusion, hemolysis, hydrolysis

    • C. 

      None

    • D. 

      Glycogenolysis in liver, glycogenolysis in skeletal muscle, lipolysis in adipose and liver, catabolism of cellular protein

  • 22. 
    In prolonged fasting or starvation what is the order of the proteins that are digested?
    • A. 

      Cardiac protein, muscle protein, tissue protein

    • B. 

      Muscle proteins, tissue proteins, cardiac protein

    • C. 

      Tissue protein, muscle protein, cardiac protein

  • 23. 
    The brain conserves glucose. During starvation other tissues:
    • A. 

      Convert to fatty acid lipolysis

    • B. 

      Use glycogenolysis in skeletal muscle

    • C. 

      Use glycogenolysis in liver

    • D. 

      Do nothing

  • 24. 
    Glucagon promotes rise in blood glucose and targets:
    • A. 

      Pancreas and liver

    • B. 

      Glucose and fatty acids

    • C. 

      Liver hepatocytes and adipose tissue

  • 25. 
    Liver hepatocytes stimulate:
    • A. 

      Glycogenolysis and gluconeogenesis

    • B. 

      Protein synthesis and facilitated diffusion

    • C. 

      Muscle and tissue

  • 26. 
    Adipose tissues stimulates_________
  • 27. 
    In the sympathetic nervous system, during low blood glucose, epinephrine acts on _______________ for mobilization of fat.
    • A. 

      The brain

    • B. 

      Skeletal muscle and tissue

    • C. 

      Liver, skeletal muscle and adipose

  • 28. 
    Cholesterol is the structural basis for:
    • A. 

      Bile salts and steroid hormones

    • B. 

      Bile salts, steroid hormones, vitamin D & plasma membranes

    • C. 

      Bile salts, vitamin D and red meats

  • 29. 
    What percentage of cholesterol is synthesized in liver from acetyl CoA?
  • 30. 
    What transports triglycerides and cholesterol in blood?
  • 31. 
    True or False? Lipoproteins vary by their lipid protein concentration.
    • A. 

      True

    • B. 

      False

  • 32. 
    Check all that apply. Which are examples of lipoproteins?
    • A. 

      Triglycerides

    • B. 

      Phospholipids

    • C. 

      Cholesterol

    • D. 

      Protein

    • E. 

      Glucagon

  • 33. 
    True or False. In lipoproteins the lower the percentage of lipid, the higher the density
    • A. 

      True

    • B. 

      False

  • 34. 
    What transports triglycerides from liver to adipose?
    • A. 

      Low density lipoproteins

    • B. 

      High density lipoproteins

    • C. 

      Very low density lipoproteins

  • 35. 
    Which is cholesterol rich?
    • A. 

      Low density lipoproteins

    • B. 

      High density lipoproteins

    • C. 

      Very low density lipoproteins

  • 36. 
    Which transports excess cholesterol to liver and provides cholesterol to steroid producing organs?
    • A. 

      Low density lipoproteins

    • B. 

      High density lipoproteins

    • C. 

      Very low density lipoproteins

  • 37. 
    Which cholesterol is destined for degradation (bile salts)?
    • A. 

      Low density lipoproteins

    • B. 

      High density lipoproteins

    • C. 

      Very low density lipoproteins

  • 38. 
    Which cholesterol is deposited into arterial walls?
    • A. 

      Low density lipoproteins

    • B. 

      High density lipoproteins

    • C. 

      Very low density lipoproteins

  • 39. 
    The conversion of glucose to pyruvic acid is:
    • A. 

      Glycogenesis

    • B. 

      Glycogenolysis

    • C. 

      Glycolysis

    • D. 

      Gluconeogenesis

  • 40. 
    Polymerization of glucose to form glycogen is:
    • A. 

      Glycolysis

    • B. 

      Glycogenolysis

    • C. 

      Gluconeogenesis

    • D. 

      Glycogenesis

  • 41. 
    Hydrolysis of glycogen to glucose monomers is:
    • A. 

      Glycolysis

    • B. 

      Glycogenesis

    • C. 

      Gluconeogenesis

    • D. 

      Glycogenolysis

  • 42. 
    Formation of glucose from noncarbohydrate precursors is:
    • A. 

      Gluconeogenesis

    • B. 

      Glycogenolysis

    • C. 

      Glycogenesis

    • D. 

      Glycolysis

  • 43. 
    Complete breakdown of pyruvic acid to CO2, yielding small amounts of ATP and reduced coenzymes is:
    • A. 

      Transamination

    • B. 

      Krebs cycle

    • C. 

      Electron transport chain

    • D. 

      Deamination

  • 44. 
    Transfer of an amine group from an amino acid to ketoglutaric acid, thereby transforming ketoglutaric acid to glutamic acid is:
    • A. 

      Deamination

    • B. 

      Krebs cycle

    • C. 

      Transamination

    • D. 

      Electron transport chain

  • 45. 
    Removal of an amine group from glutamic acid as ammonia and regenerating ketoglutaric acid (NH3 is converted to urea by the liver) is:
    • A. 

      Transamination

    • B. 

      Deamination

    • C. 

      Krebs cycle

    • D. 

      Electron cellular transport chain

  • 46. 
    Skeletal muscle (resting) Fuel Stores Glycogen, Preferred Fuel is______________?
    • A. 

      Glucose

    • B. 

      Amino acid

    • C. 

      Fatty acid

  • 47. 
    Skeletal Muscle (during exertion) No Fuel Stores, Preferred Fuel is_______________ and Fuel Sources Exported is Lactate
    • A. 

      Glucose

    • B. 

      Glycogen

    • C. 

      Fatty acids

  • 48. 
    Heart Muscle No Fuel Stores, Preferred Fuel is _________________?
    • A. 

      Glycogen

    • B. 

      Glucose

    • C. 

      Fatty acids

  • 49. 
    Adipose Tissue Fuel Stores is Triglycerides, Preferred Fuel is ______________, Fuel Sources Exported are fatty acids and glycerol.
    • A. 

      Glucose

    • B. 

      Glycogen

    • C. 

      Fatty acids

  • 50. 
    What has glycogen and triglycerides as Fuel Stores; Amino acids, glucose and fatty acids as Preferred Fuel; and Fatty acids, glucose and ketone bodies as Fuel Sources Exported?
    • A. 

      Liver

    • B. 

      Pancreas

    • C. 

      Gallbladder