Digestion

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ambirc
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136124
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Digestion
Updated:
2012-02-18 12:28:24
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Digestion
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A&P 102 at Ivytech community college
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  1. Which Cells of the gastric mucosa secrete rennin?
    Chief Cells
  2. During the processs of mastication, the muscles which move the jaws to casuse the grinding and crushing actions of the teeth include all ofthe following except
    A. temporalis
    B. masseter
    C. Lateral pterygoid
    D. Buccinator
    E. medical pterygoid
    D. Buccinator
    (this multiple choice question has been scrambled)
  3. Which of the following is not a lobe of the liver
    A. Faciform
    B. caudate
    C. right
    D. quadrate
    E. left
    A. Faciform
    (this multiple choice question has been scrambled)
  4. The arrival of Chyme containing a mixture of fats, carbohydrate, and protiens into the duodenum over a period of time would cause
    an increase in the secretin from the duodennum
  5. Substances which are placed in the mouth, travel through the gastric tract, and excreted out the anus are substances that are considereed tobe external to the body...True or False
    True
  6. Sympathetic stimulations of the gastronintestinal tract will speed up peristalisis and increas gastric scretions...ture or False
    True
  7. The prinicpal pigment in bile is a breakdown products of red blood cells...True or False
    True
  8. Which of the following is not considered an accessory organ of the digestive system?
    A. salivary glads
    B. stomach
    C. pancrease
    D. liver
    B. stomach
    (this multiple choice question has been scrambled)
  9. Which of the following is the mesentery that extends as a thin sheet of connective tissue from the stomach to the liver?
    A. mesocolon
    B. greater omentum
    C. lesser omentum
    D. ventral mesentery
    C. lesser omentum
    (this multiple choice question has been scrambled)
  10. The opening form the oral cavity to the throat (phaynx) is known as the fauces.
    True
  11. Which of the following statements concerning the tongue is false?
    A. The tongue occupies parts of both the oral cavity and oropharynx
    B. The tongue is composed of 80% smooth muscle and 20% elastic fibers
    C. The tongue contains glands that secrete a portion of the saliva
    B. The tongue is composed of 80% smooth muscle and 20% elastic fibers
    (this multiple choice question has been scrambled)
  12. How many baby teeth are formed
    20
  13. Dentin, cementum, and enamel are living connective tissues with cells embedded in a calcified matrix, and thus, they can repair themselves
    False
  14. Which of the following componets of saliva begins starch digestion in the mouth?
    A. amylase
    B. lyozme
    C. mucus
    D. lipase
    A. amylase
    (this multiple choice question has been scrambled)
  15. When the salivatory nuclei in the brainstem receive neural input from the touch and taste receptors in the mouth, salvation is increased
    True
  16. Is the statement true or False regarding the GI Tract
    The esphagus is lined with stratified squamous epilthelium
    True
  17. Is the statement true or False regarding the GI Tract
    The muscle layer of the upper esphagus contain skeltal muscle
    True
  18. Is the statement true or False regarding the GI Tract
    The lower esphageal spincter is a very thick band of smooth muscle
    False
  19. Is the statement true or False regarding the GI Tract
    The esophogeal glands secrete lubricating mucus
    True
  20. In the esophagus, a reflex response called peristalis ocvcurs when a bolus of food stimulates the stretch receptors. Which of the following is not part of this response
    A. The longitudinalmuscle behind the bolus contracts
    B. The longitudinal muscle in front of the bolus contracts
    C. The circular mucle in front of the bolus reflexes
    D. - the circular muscle behind the bolus contracts
    A. The longitudinalmuscle behind the bolus contracts
    (this multiple choice question has been scrambled)
  21. Pariteal cells use the enzyme carbonic anhydrase to form the H+ ions in the hydrocholic acid that they secrete
    True
  22. Which of the following substances secreed by the cells of the stomach walll is essential for the absorbtion of vitamin B12 by the small instestine?
    A. renin
    B. Pepsinogen
    C. Hydochloric acid
    D. intrinsic factor
    D. intrinsic factor
    (this multiple choice question has been scrambled)
  23. The liver secrete 1000 ML of bile per day into the duodenum
    False
  24. Which of the following is not retroperitoneal?
    A. Duodenum
    B. Ileum
    C. Pancreas
    D. Ascending colon
    B. Ileum
    (this multiple choice question has been scrambled)
  25. Which of the following is not an enzyme that digest proteins in the small intestine.
    A. Maltase
    B. Dipeptidase
    C. Carboxypeptidase
    D. Aminopeptidase
    A. Maltase
    (this multiple choice question has been scrambled)
  26. Which of the following does not occur within the large intestine
    A, Sysnthesis of Vitamin K
    B. Secretion of mucus
    C. Absorbtion of water and electrolytes
    D. Digestion of Cellulose by digestive enzymes
    D. Digestion of Cellulose by digestive enzymes
  27. The tooth type puncutes and shreds food
    A. Bicuspids
    B. Premolars
    C. Incisors
    D. Canines
    E. Molars
    D. Canines
    (this multiple choice question has been scrambled)
  28. This type of salavary gland produces amylase, a substantial volume of saliva, an overlies the masseter muscle
    A. Parotid
    B. Submandibular
    C. Intrinsic
    D. Sublingual
    E. Esophageal
    A Parotid
  29. This gastric secretion breaks protiens down into smaller polypeptide chains.
    A. Renin
    B. Intrinsic Factor
    C. Lipase
    D. Pepsin
    E. Gastin
    D. Pepsin
    (this multiple choice question has been scrambled)
  30. This hormone, produced in the gastric phase, stimulates pepsinogen and HCL production
    A. Secretin
    B. Insulin
    C. Cholecystokinin (CCK)
    D. Gastric inhibitory peoptide
    E. Gastin
    E. Gastin
    (this multiple choice question has been scrambled)
  31. The function of Bile is
    emulsifies fats
  32. All of the following are functions of Cholecytokinin (CCK) except:
    A. stimulates gall bladder contractions
    B. Promotes scretion fo pancreatic enzymes
    C.increase gastice HCL production
    D. induces the movement of bile into the common bile duct.
    causes the hepatopancreatic sphincter to relax
    increase gastice HCL production
  33. This brush border enzyme activates other enyzmes
    A. Enterokinase
    B. Pepsin
    C. Lipase
    D. Lactase
    E. Trypsin
    A. Enterokinase
    (this multiple choice question has been scrambled)
  34. These intestinal structures containlymphocyte follicles to attack pathogens
    A. Islets of Langerhans
    B. Paneth Cells
    C. Cypts of Lieberkuhn
    D. Brunner Glands
    E. Peyer Patches
    E. Peyer Patches
    (this multiple choice question has been scrambled)
  35. If an older person is having diarrhea and gas when they drink much milk, what enzyme are they not producing
    A. Lactase
    B. Rennin
    C. Gastric Lipase
    D. Carboxypeptidease
    E. Maltase
    A. Lactase
    (this multiple choice question has been scrambled)
  36. This brush border enyzme will complete polypeptide digestion
    A. Chymotrypsin
    B. Trypsin
    C. Carboxypeptidease
    D. Sucrase
    E. Pepsin
    C. Carboxypeptidease
    (this multiple choice question has been scrambled)

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