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6. Which of the following has its uptake from the digestive tract closely regulated:

  • vitamin c
  • carbohydrate
  • iron
  • fats

7. Water is absorbed AGAINST its strongest concentration gradient in ...

  • the mouth
  • the small intestine
  • The large intestine
  • the stomach

8. Which of these is a synapse?

  • all of the above
  • the junction between a neurone and a gland
  • the junction between a neurone and another neurone
  • the junction between a neurone and a muscle

9. Which of the following is NOT true of Gastrin?

  • Increases gastrointestinal motility
  • Decreases gastric acid production
  • Promotes the growth of gastro-intestinal mucosa
  • Increases gastric enzyme secretion

10. Why do smells sometimes alter our moods?

  • because sensory input from olfaction is routed through the limbic system
  • because smells act as neurotransmitters and alter brain chemistry
  • because smells are satisfying our sense of hunger
  • smells do not alter mood

11. Blood from the capillaries in the wall of the small intestine drain into.

  • The Renal Vein
  • The Femoral Vein
  • The Hepatic Portal Vein
  • The Subclavian Vein

12. Into which part of the intestine does the liver and pancreas drain?

  • Jejunum
  • Colon
  • duodenum
  • Ileum

13. At rest the plasma membrane of neurones is

  • Equally permeable to Sodium and Potassium
  • More permeable to Potassium than to Sodium.
  • Impermeable to Sodium and Potassium
  • More permeable to Sodium than to Potassium

14. Into which part of the intestine does the liver and pancreas drain?

  • jejunum
  • duodenum
  • ileum
  • colon

15. Bile Salts are absorbed primarily in ...

  • The Ileum
  • The Duodenum
  • The Jejunum
  • The Caecum

16. Gustatory cells are stimulated by;

  • photons of light
  • substances in solution
  • stretch
  • movement of otoliths

17. After the peak of the action potential, membrane potential is returned towards its resting potential by

  • An increase in chloride permeability.
  • An increase in potassium permeability.
  • An increase in sodium permeability.
  • All of the above.

18. Enzymes and bile are carried by the pancreatic duct and bile duct into the;

  • jejunum
  • duodenum
  • ileum
  • large intestine

19. Which of the following is NOT a part of the small intestine?

  • Caecum
  • Duodenum
  • Ileum
  • Jejunum

20. Equilibrium receptors are located in the;

  • inner ear
  • ossicles
  • externalear
  • middle ear