Bio 223 Lecture 03

41 Questions | Total Attempts: 76

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Bio 223 Lecture 03

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Questions and Answers
  • 1. 
    The three stages of cellular respiration in order:
    • A. 

      Glycolysis, Electron Transport Chain, Kreb’s Cycle

    • B. 

      Electron Transport Chain, Kreb’s Cycle, Glycolysis

    • C. 

      Glycolysis, Kreb’s Cycle, Electron Transport Chain

    • D. 

      Kreb’s cycle, Glycolysis, Electron Transport Chain

  • 2. 
    The body needs oxygen, water, and nutrients in order to do the following:
    • A. 

      Form new body components

    • B. 

      Provide energy

    • C. 

      Assist in physiological functions/processes

    • D. 

      All of the above

  • 3. 
    This basic carbohydrate cannot be broken into smaller compounds 
    • A. 

      Monosaccharides

    • B. 

      Glucose

    • C. 

      Polysaccharides

    • D. 

      Triglycerides

  • 4. 
    The preferred form of sugar for the body
    • A. 

      Polysaccharides

    • B. 

      Glucose

    • C. 

      Monosaccharides

    • D. 

      Triglyceride

  • 5. 
    Where is the surplus glucose that is converted to glycogen stored?
    • A. 

      Liver and pancreas

    • B. 

      Muscles and bones

    • C. 

      Liver and small intestine

    • D. 

      Liver and muscles

  • 6. 
    Which of the following lipids is the most abundant?
    • A. 

      Triglycerides

    • B. 

      Polysaccharides

    • C. 

      Steroids

    • D. 

      Phospholipids

  • 7. 
    Where are excess lipids stored?
    • A. 

      Muscles and bones

    • B. 

      Liver

    • C. 

      Muscles and liver

    • D. 

      Adipose tissue

  • 8. 
    Which of the following fatty acids does your body need, but doesn’t make?
    • A. 

      Omega-3 and Omega-6

    • B. 

      Omega-4 and Omega-6

    • C. 

      Omega-18 and Omega-6

    • D. 

      Omega-3 and Omega-5

  • 9. 
    Proteins are made up of how many amino acids?
    • A. 

      20

    • B. 

      16

    • C. 

      4

    • D. 

      3

  • 10. 
    Which organ can convert excess amino acids into triglycerides?
    • A. 

      Pancreas

    • B. 

      Spleen

    • C. 

      Stomach

    • D. 

      Liver

  • 11. 
    How are large surpluses of amino acids lost?
    • A. 

      Through sweat

    • B. 

      Through energy

    • C. 

      In our urine

    • D. 

      When we breathe out

  • 12. 
    All of the following are macrominerals, EXCEPT:
    • A. 

      Calcium

    • B. 

      Phosphorus

    • C. 

      Iron

    • D. 

      Sulfur

  • 13. 
    All of the following are microminerals, EXCEPT:
    • A. 

      Iodine

    • B. 

      Chlorine

    • C. 

      Cobalt

    • D. 

      Zinc

  • 14. 
    Vitamins provide energy to the body 
    • A. 

      True

    • B. 

      False

  • 15. 
    All of the following are excreted through our urine, EXCEPT:
    • A. 

      Excess Minerals

    • B. 

      Excess Water Soluble Vitamins

    • C. 

      Excess Amino acids

    • D. 

      Hormones

  • 16. 
    Which of the following are fat soluble vitamins?
    • A. 

      A, D, C, K

    • B. 

      B, C, D, K

    • C. 

      Folic acid and Biotin

    • D. 

      A, D, E, K

  • 17. 
    Which of the following are water soluble vitamins?
    • A. 

      Pantothenic acid, folic acid, biotin

    • B. 

      B, C, E, K

    • C. 

      A, D, E, K

    • D. 

      B, C, K, Biotin

  • 18. 
    To a certain degree, all of the following take place in the mouth, EXCEPT:
    • A. 

      Mechanical digestion

    • B. 

      Chemical digestion

    • C. 

      Absorption

    • D. 

      Enzymatic digestion

  • 19. 
    The lining of your esophagus is:
    • A. 

      Skeletal muscle

    • B. 

      Smooth muscle

    • C. 

      Striated muscle (not smooth)

    • D. 

      Cardiac muscle

  • 20. 
    The esophageal phase:
    • A. 

      Begins as the contraction of pharyngeal muscles forces the bolts through the entrance to the esophagus

    • B. 

      Where the chemical digestion of food takes place

    • C. 

      Where the mechanical digestion of food takes place

    • D. 

      Is innervated by cranial nerve V3

  • 21. 
    All of the following takes place in the stomach, EXCEPT:
    • A. 

      Storage

    • B. 

      Movements are innervated by Vagus Nerve (X)

    • C. 

      Mechanical breakdown of food before it moves to small intestine

    • D. 

      Most of the absorption of nutrients and water

  • 22. 
    Th inner surface of the stomach is derived from what embryonic germ layer?
    • A. 

      Ectoderm

    • B. 

      Endoderm

    • C. 

      Mesoderm

    • D. 

      Neural crest

  • 23. 
    What is the internal region of the stomach that is the most direct path between cardiac and pyloric sphincters? This region also allows passage of water into the small intestine.
    • A. 

      Cardiac canal

    • B. 

      Parietal canal

    • C. 

      Pyloric canal

    • D. 

      Gastric canal

  • 24. 
    What percent of absorption of nutrients and water takes place in the small intestine?
    • A. 

      90%

    • B. 

      50%

    • C. 

      80%

    • D. 

      40%

  • 25. 
    Secrete hormones that regulate tomach functions such as peristalsis, other secretions, etc.
    • A. 

      Entroendocrine cells

    • B. 

      Gastrin

    • C. 

      Zymogenic cells

    • D. 

      Mucous

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