Lab: Digestive system

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edeleon
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289919
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Lab: Digestive system
Updated:
2014-11-24 20:42:49
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digestive system lab
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Lab practical 4
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Packet from digestive system lab
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    • a) Pleural cavity
    • b) pericardial cavity
    • c) thoracic cavity
    • d) diaphragm
    • e) peritoneal cavity
    • f) abdomina cavity
    • g) Pelvic cavity
    • h) abdominopelvic cavity
  1. This is when an organ is behind the peritoneal cavity
    retroperitoneal
  2. This is when an organ is under the peritoneal membrane
    subperitoneal
  3. What are the retroperitoneal organs? (SAD PUCKER)
    • Suprarenal glands (adrenal glands)
    • Aorta
    • Duodenum
    • Pancreas
    • Uterers
    • Colon
    • Kidneys
    • Esophagus
    • Rectum
  4. Food first enters the __a__ fissure and pass by the ___b___ (space between lips/cheeks and teeth)
    • a) oral fissure
    • b) oral vestibule
  5. a) oral vestibule
  6. The oral cavity is defined by this (3 parts)
    • dental arches of upper and lower jaw
    • the hard and soft palate
    • the tongue
    • a) incisors
    • b) canine
    • c) premolars
    • d) molars
  7. This tooth are fewer and most peole have lost them by age 12 (2 names)
    • deciduous teeth or intial milk teeth
    • a) crown
    • b) root
    • c) root canal
    • d) pulp cavity
    • e) dentin
    • f) enamel
  8. What are the digestive enzymes in saliva?
    • salivary amylase
    • inactive lipase
  9. What are the 3 pairs of salivary glands to produce saliva?
    • 1. parotid gland
    • 2. submandibular gland
    • 3. sublingual glands
    • a) siblingual gland
    • b) parotid gland
    • c) submandibular gland
  10. What is the name for the wet, soft lump of food being digested by saliva
    bolus
  11. Bolus is pushed back in our mouth by the tongue toward the ___a___(throat) and swallowed into the ___b___.
    • a) pharynx
    • b) esophagus
  12. Once bolus has entered the stomach, it turns into this.
    Chyme
  13. The human stomach has these 3 regions
    • 1. fundus
    • 2. body
    • 3. antrum
    • a) Funduus
    • b) body
    • c) antrum
  14. Theses are the longitudinal ridges/folds of the stomach which covers the internal mucous membrane.
    gastric rugae
  15. gastric rugae
    • a) gastroesohageal sphincter
    • b) rugae
    • c) pyloric sphincter
  16. This junction is between the esophagus and the stomach
    gastroesophageal sphincter
  17. This junction controls the opening of the stomach into the duodenum
    pyloric sphincter
  18. What are the 3 regions of the small intestines?
    • 1. duodenum
    • 2. jejunum
    • 3. ileum
  19. Along with the liver, this part of the small intestines secretes bile and digestive enzymes
    Duodenum
  20. What does bile break up in chyme? Where is it stored?
    • Lipids into smaller drops
    • Gallbladder
    • a) bile duct
    • b) hepatopancreatic ampulla
    • a) duodenum
    • b) jejunum
    • c) ileum
  21. The splen serves both as an ___a___ and an ___b___ gland
    • a) endocrine gland
    • b) exocrine gland
  22. What is the exocrine function of the spleen?
    to secrete alkaline bicaronate ions which raises the pH of the chyme as it enters the duodenum from the acidic stoach.
  23. While this is not a digestive organ, it secretes digestive enzymes that digest food into smaller nutrient molecules
    spleen
    • a) hepatopancreatic ampulla
    • b) major duodenal papila
  24. What are the 4 lobes of the liver?
    right, left, caudate, and quadrate lobes
  25. This part of the liver anchors it to the anterior abdomina wall and the underside of the diaphragm
    falciform ligament
  26. This part of the liver is a remnant of the umbilical vein that ascended from the navel to the liver in the fetus
    ligamentum teres
    • a) right lobe
    • b) left lobe
    • c) falciform ligament
    • d) ligamentum teres
    • a) right lobe
    • b) galbladder
    • c) quadrate lobe
    • d) left lobe
    • e) caudate lobe
    • f) common bile duct
  27. This part of the small intestne helps increase surface area and forces chyme to slowly spiral and mix as it progresses through the small intestine.
    circular folds
  28. What is the "terry cloth" inside the duodenum and what does it contain?
    Villi: contains capillaries and lacteals
  29. This part of the villi in the duodenum are lymph capillaries that absorb fat from your diet. What is its name and where does it transport the fat?
    Lacteals: transports the fatty lymph up to the veins close to the neck and into the superior vena cava.
  30. What is the brush border?
    Microvilli and adjacent cells in the small intestine cells (clumnar eithelial cells)
  31. What enzymes does the bush border have?
    hydrolytic enzymes for digestion of food
  32. The small intestine joins the first part o the large intestine, called the __a__, at the ___b___ valve.
    • a) cecum
    • b) iliocecal valve
  33. This is a lymphoid organ found at the inferior end of the cecum.
    vermiform appendix
    • 1) vermiform appendix
    • 2) iliocecal valve
    • 3) ascending colon
    • 4) right colic flexure/hepatic flexure
    • 5) transverse colon
    • 6) left colic/splenic flexure
    • 7) descending colon
    • 8) sigmoid colon
    • 11) cecum
  34. This part of the anus terminates the digestive tract's inferior openin which has an __a__ sphincter (smooth muscle) and an __b__ sphincter (skeletal muscle)
    • anal canal:¬†
    • a) internal sphincter
    • b) external sphincter
  35. T or F: the main function of the large intestine is to digest and absorb nutrients from food.
    F: That is the main function of the small intestine
  36. What is the main function of the large intestine?
    to absorb water and manufacture vitamins B and K.
    • 1) appendix
    • 2) ileocecal valve
    • 3) ascending colon
    • 4) right colic (hepatic) flexure
    • 5) transverse colon
    • 6) left colic (splenic) colon
    • 7) descending colon¬†
    • 8) sigmoid colon
    • 9) epiloic appendages
    • 10) tenia coli
  37. This part of the large intestine calls the wall of the colon to pucker (a) and produces sacks called (b)
    • a) teniae coli
    • b) haustra
  38. These apendages hang on the outside of large intestine. They are fatfilled pouches.
    epiploic appendages
  39. What are the main functions of the large and small intestines?
    • large: absorbs water from feces and manufactures vit. B and K
    • small: absorbs nutrients from food
    • a) external sphincter
    • b) internal sphincter
  40. what are the parts of the peritoneal formations stabalize the intraperitoneal viscera?
    • a) lesser and greater omentum
    • b) mesentery
    • c) mesocolon (transverse and sigmoid)
    • falciform ligament of the liver
  41. What are the functions of the peritoneal formations? (3 parts)
    • 1) suspend, anchor and interconnect organs
    • 2) route blood and nerve supply to organs
    • 3) fat storage
    • a) greater omentum
    • b) lesser omentum
    • a) perietal peritoneum
    • b) greater omentum
    • c) mesentery
    • d) visceral peritoneum

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