Lecture test _4.txt

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Lecture test _4.txt
2010-12-07 20:06:32
lecture test

digestive system
Show Answers:

  1. What is another word for the chemical breakdown of food?
  2. What is the enzyme that breaks down food in the mouth?
    Salivary Amylase
  3. What mechanically breaksdown food in the mouth?
    Your teeth
  4. How old are you when you get your first tooth?
    4 to 6 months
  5. How old are you when you get your first set of teeth?
    2 years old
  6. How many teeth are your first set of teeth?
    20 - 10 on bottom, 10 on top - deciduous teeth, Baby's, milk, primary teeth.
  7. How old are you when you get your first loose tooth?
    5 years old
  8. How many teeth do you end up with as an adult?
    32 - 16 on bottom, 16 on top.
  9. What is the bulk of the tooth made of, that is a bone like material?
  10. What is the average amount of calcium needed to keep your dentin production up?
    10mg per deciliter of blood
  11. What is the outer-coating of the tooth below the gum line?
  12. What is the outer-coating of the tooth above the gum line?
  13. Drinking 8 ounces of drinking water is enough of what to keep up your enamel?
  14. What is the hollow space inside your tooth that have blood vessels and nerves?
    Pulp cavitity
  15. What is another name for your gums?
  16. Gingivitis is known as what?
    Inflammation of the gums
  17. What is another name for cavities?
    Dental caries
  18. What is the bacteria that causes cavities?
    Streptococcus mutans
  19. What are some of the causes of cavities (6)?
    • lack of proper brushing
    • lack of proper flossing
    • lack of going to the dentist
    • tartar build up
    • Build up of plaque
    • genetics
  20. How can you prevent/treat cavities?
    • Brush more often
    • Floss more often
    • Go to dentist 2 times per year
    • Reduce tartar
    • Reduce plaque
    • Reduce carbohydrates
  21. What is the virus that causes the mumps?
    Epidemic parotidis
  22. How many salivary glands do you have?
  23. What are the largest of your salivary glands called and where are they located?
    Parotids, in the jaw bone
  24. That is the name of vaccine that prevents the mumps?
    MMR - Measles, Mumps and Rubella
  25. Inflammation of the testicles is known as what?
  26. Inflammation of the ovaries is known as what?
  27. The throat begins at what part in the back of the mouth?
  28. The throat also known as what?
  29. What is an involuntary, smooth muscle averging 9 inches in length?
  30. True or False: Your tonsils or Adenoids can grow back if some of the tissue is left after surgery.
  31. At the end of the esophagus, opening the stomach what is the name of the value?
    Cadiac Sphinter valve
  32. At the closing of the stomach, opening the small intestine what is the name of the valve?
    Pyloric Sphinter valve
  33. What gives your stomach more surface area?
  34. Narrowing of the pyloric sphinter Valve is know as what?
    pyloric stenosis
  35. What is the average PH of Hcl inside the stomach?
  36. What is the amount of time for food to go from mouth to anus?
    24 hours
  37. What is the average amount of time for the stomach to empty?
    4 hours
  38. What is the name of the enzyme that is secreted by the stomach?
  39. What does pepsin digest?
  40. Name 3 funtions of Hcl
    • Activates pepsin
    • inactivates salivary amylase
    • breaks down foreign debris
  41. What is the function of the small intestine?
    to absorb nutrients
  42. How long is the small intestine?
    15 to 20 feet
  43. What is the first section of the small intestine called?
  44. How long is the duodenum and what shape does it form?
    10 to 12 inches, a c shape
  45. This organ is a reservoir for bile and secretes it thru the cystic duct.
  46. This organ secretes bile thru the hepatic duct.
  47. This organ is a 2 fold organ, secreting enzymes and hormones.
  48. As an Exocrine organ the pancreas secretes 3 enzymes what are they?
    lipase, amylase, trypsin
  49. As an Endocrine organ the pancreas secretes 2 hormones what are they?
    • glocogon, produced by the alpha cells of the islands of langherhans
    • insulin, produced by the beta cells of the islands of langherhans
  50. What is the name of the 2nd portion of the small intestine?
    jejunum - has the most villi
  51. What is the 3rd section of the small intestine?
  52. Name the valve between the small intestine and the colon.
    Ilio-cecal sphinter valve
  53. This organ is located between the small intestine and the colon, can be removed with surgery and you don't need it to live.
  54. What is the function and average length of the large intestine?
    Absorption of water, elemenation and storage of feces. avg 5ft in length.
  55. Starting on the right side of your body, with the first portion of the large intestine, name the 5 different parts.
    • 1. ascending
    • 2. transverse
    • 3. descending
    • 4. sidmoid
    • 5. rectum
  56. Name some of the causes of constipation
    • reduced perstalsis in colon
    • dehydration
    • genetics
    • toxins
    • stress
  57. Name some of the causes of diarrhea
    • increased perstalsis in the colon
    • stress
    • allergies
    • antibiotics
    • genetics
    • toxins
    • too much liquids