GIT

  1. Secretion of saliva
    a) is stimulated by chemical stimuli in the mouth
    b) is inhibited by atropine
    c) is stimulated by increased parasympathetic activity
    d) can be affected by thoughts of food
    e) equals 5 - 6 l per 24 hours
    • a) is stimulated by chemical stimuli in the mouth
    • b) is inhibited by atropine
    • c) is stimulated by increased parasympathetic activity
    • d) can be affected by thoughts of food
  2. Rhythmic motility of the small intestine:



    B. is inhibited by adrenaline
  3. Gastric peristalsis:
    a. is inhibited by sympathetic activity
    b. occurs with a frequency of 3/min
    c. is speeded up by increased vagal activity
    d. is bigger in the antrum than in the fundus
    e. is blocked by curare
    • a. is inhibited by sympathetic activity
    • b. occurs with a frequency of 3/min
    • c. is speeded up by increased vagal activity
    • d. is bigger in the antrum than in the fundus
  4. The average production of gastric juice is:




    B. 1-3 l
  5. Secretion of gastric juice is
    a) inhibited by small amount of alcohol in the stomach
    b) started when we see food
    c) stimulated by presence in the stomach of proteins and amino acids
    d) inhibited by gastrin when pH in the stomach drops below some level
    • b) started when we see food
    • c) stimulated by presence in the stomach of proteins and amino acids
  6. Which of these substances stimulate production of gastric acid?





    • A. acetylcholine
    • c. gastrin
    • d. histamine
    • e. koffein
  7. Release of gastrin is:
    a. inhibited by the expansion of the stomach
    b. stimulated by the inreased activity of the vagus
    c. inhibited by strong acidification (<3.5) of the stomach contents
    d. stimulated by products of protein digestion
    • b. stimulated by the inreased activity of the vagus
    • c. inhibited by strong acidification (<3.5) of the stomach contents
    • d. stimulated by products of protein digestion
  8. Which of these substances stimulate the secretion of bicarbonate by the pancreas most?




    B. secretin
  9. Which one of these substances does not affect the secretion of gastric and pancreatic juice?




    C. pancreatic lipase
  10. Which one of these statements about bile is correct?




    D. 90% of bile acids that enter the intestines with bile are excreted in the feces.
  11. Cholecystokinin mostly stimulates:




    D. contractions of the gallbladder
  12. cholecystokinin:



    B. stimulates the outflow of bile from the gallbladder into the duodenum
  13. The liver synthesises and secretes (into the bloodstream):
    a. fibrinogen
    b. prothrombin
    c. chylomicrons
    d. transferrin
    e. cholecystokinin
    • a. fibrinogen
    • b. prothrombin
    • d. transferrin
  14. Which one of these statements is correct?




    E. None of the above is correct.
  15. Which one of the following statements about the small intestine is NOT correct?




    D. The extension of the intestinal wall leads to a relaxation of its smooth muscle.
  16. Which one of the following statements is not correct?



    D. Approximately 10% of water resorbed in the GIT arrise from secretions of digestive glands.
Author
Marine
ID
302258
Card Set
GIT
Description
GIT
Updated