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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