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PCAT Biology Digestion
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Avg score: 52% • Most missed: “Have one way digestive tract with both a mouth and an anus”
PCAT Biology Digestion
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25 Questions

1. A large - muscular organ located in the upper abdomen - stores and partially digests food

2. Vessels of the lymphatic system

3. Food is moved down the esophagus by this rhythmic waves of involuntary muscular contraction

4. Decreased lower esophageal sphincter pressure is not always associated with the development of GERD; however - the majority of patients

5. Pseudopods surround and engulf food and enclose it in food vacuoles

6. The muscular tube leading from the mouth to the stomach

7. Have one way digestive tract with both a mouth and an anus

8. Enzymes are secreted - hydrolyzing complex nutrients into simpler molecules - which are then absorbed

9. Completes chemical digestion -divided into three section: duodenum - jejunum - and the ileum -highly adapted to absorption

10. (Insects) have a digestive system similar to that of the earthworm

11. Secreted by the glands of the stomach which protects the stomach lining from the harshly acidic juices present in the stomach

12. Can occur after spontaneous transient lower esophageal sphincter relaxations not associated with swallowing

13. Refers to a digestive process that occurs outside of the cell - within a lumen or tract

14. Refers to the enzymatic breakdown of macromolecules into smaller molecules and begins in the mouth when the salivary glands secrete saliva

15. Emulsifies fats - breaking down large globules into small droplets (contains no enzymes)

16. Begins with oral cavity and continues with the pharynx - the esophagus - stomach - small inestine - large intestive - then anus

17. Fuse with the food vacuole and release their digestive enzymes that act upon the nutrients

18. Degradation of large molecules into smaller molecules that can be absorbed into the bloodstream and used directly by cells

19. Enzymes are secreted to digest the fly and absorb the soluble end products

20. Biting and chewing action of teeth

21. Where mechanical and chemical digestion of food begins

22. Synthesized and stored in the S cells of the upper intestine -stimulates the secretion of bicarbonate-containing substances from the pancreas and inhibits gastric emptying and gastric acid production

23. Large particles of food into small particles begins by cutting and grinding in the mouth and churning in the digestive tract

24. Unable to synthesize their own nutrients

25. Produced by the pancreas for protein digestion

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