bio lec final pt.1

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Author:
rosalesdee
ID:
121864
Filename:
bio lec final pt.1
Updated:
2011-12-08 11:27:17
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bio final
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part 1 of final
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  1. first to respond to an infection?
    polymorphonuclear; neutraphil
  2. responsible fro specific immunity to specific pathogens?
    • B-cells
    • T-cells
  3. lessens allergic reaction by phagocytizing antigen antibody complex?
    eocinaphil
  4. release histamine and heparin?
    basophil
  5. phagocytize pathogens old cells debrie?
    • macrophages
    • neutraphil
  6. swelling of a wound site is the result of secretion of?
    histamine
  7. lungs excrete? CO2 and influence the level of wich ion?
    alveoli surfactant keeps cells moist for efficient diffusion of CO2 and O2
  8. which are the 4 common pathogens?
    • dead & dying cells
    • Bacteria
    • viruses
    • fungi
    • pathogens
    • cancer
    • prions=weird proteins=mad cow disease
    • manmade chemicals
    • plastic
    • hydrcarbons (phatalates)
  9. bile is produced by? and stored by?
    • liver
    • gall bladder
  10. wich structure absorbs the majority of the nutrients?
    small intestine; duodenum, jejunum, ileum
  11. the majority of digestion is completed in the?
    duodenum and jejunum
  12. saliva contains ? enzyme that digest starch amylose?
    amylase; cuts amylose into maltose (disacharide)
  13. the ring of smooth muscle that opens and closes the opening of the stomach is called the ?
    sphincter
  14. the epithelium of the stomach secretes?
    gastrin
  15. enzymes secreted the stomach digest?
    pepsin in the stomach digest protein
  16. the first part of the small intestine is called?
    duodenum
  17. which important oil is found in fish?
    omega 3 fatty acid
  18. vili are most important because vili?
    allows for more surface are, more efficient absorption
  19. bile salts accelerate the digestion of?
    • fats
    • lipids
  20. a diet high in fiber can lower the chances of?
    colon cancer
  21. high stomach acidity increases?
    pepsinogen into pepsin; cuts more protein
  22. the primary function of the large intestine is?
    • recycles water
    • concentrates waste
    • holds bacteria; normal flora
  23. the pancreas secretes 4 enzymes that digest?
    • enzymes are proteins
    • protease; trypsin, chymotrypsin, carbohypeptidase
    • lipase
    • carbohydrase
    • nuclease
  24. the hormones that the pancreas produces are?
    • insulin: lower blood glucose levels
    • glucagon: cuts glycogen, raises glucose in response to activity
  25. the 7 functions of the liver include?
    • makes bile
    • detox blood
    • stores iron
    • plasma protein
    • forms cholesterol
    • makes urea
    • stores glycogen
  26. ducts from the pancreas and liver enter the?
    • duodenum
    • bile ducts
  27. the element speciafically associated with muscle contraction is?
    calcium
  28. the energy source for muscles to slide past each other in muscles is?
    ATP
  29. muscle is uninucleated, nonstriated, and located in the walls of internal organs and blood vessels?
    smooth muscle
  30. muscle fibers that are striated voluntary are?
    skeletal muscle
  31. muscle fibers that are striated with intercalated disks are?
    cardiac muscle

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