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MEDSCI 142 Digestive Systems Revision Exam Questions With Solved Solutions.
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The entire digestive tract is how long? - Answer 5m What are the 2 large glands associated with the digestive tract? - Answer Liver and Pancreas What is the main function of the teeth? - Answer Grinding and chewing food The layer of tooth containing rods of calcium phosphate and c...

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  • October 28, 2024
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  • 2024/2025
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MEDSCI 142 Digestive Systems Revision
Exam Questions With Solved Solutions.
The entire digestive tract is how long? - Answer 5m



What are the 2 large glands associated with the digestive tract? - Answer Liver and Pancreas



What is the main function of the teeth? - Answer Grinding and chewing food



The layer of tooth containing rods of calcium phosphate and carbonate with no cells is the? - Answer
Enamel



Do we feel sensation in the enamel of teeth? - Answer No, this is in the pulp



The layer of the tooth deep to the enamel which is similar to bone but STILL no cells is called? - Answer
Dentin



What are the cells of teeth called? - Answer Odontoblasts



The soft tissue of teeth containing cells, blood vessels, nerves and lymphatics is called? - Answer Pulp



The calcified connective tissue covering the root of the tooth is called? - Answer Cementum



The area of collagen fibres linking bone of the socket to cementum and having a rapid turnover is called?
- Answer Periodontal ligament



The main functions of the tongue are? - Answer Moving food around in mouth and speech



How many sets of muscle are there in the tongue? What are they? - Answer 3 ; Horizontal, Vertical and
Transverse

, The papillae giving the tongue its "rough" texture are termed? Whereabouts in the tongue are they? -
Answer Filiform papillae ; roughly in the middle



The papillae at the front of the tongue are the? What do they contain? - Answer Fungiform papillae ;
taste buds



The papillae towards the back of the tongue are called? What do they contain? - Answer Circumvallate
papillae ; taste buds



The bundles of afferent nerves in the taste buds are where? What do they sense, and what are the 5
taste sensations? - Answer Gustatory pore ; sense chemical composition of saliva/food mix ; sweet,
salty, sour, bitter and umami



What is the main function of the salivary glands? - Answer Keep mouth moist and healthy



The 3 pairs of salivary glands are? Roughly where are they and what do they contribute to saliva? -
Answer Parotid, under ears and serous contribution ; Submandibular, under mandible and serous plus
mucous ; Sublingual, below tongue and mucous contribution



What kind of stimulation do the salivary glands respond to? - Answer Parasympathetic



What are the 3 components of saliva? - Answer Water, mucus and enzymes



What are the enzymes present in saliva? What do they break down? - Answer Amylase, starchy
components of food ; Lysozyme, antibacterial



The serosa of MOST of the digestive tract is the? Describe its 2 parts? - Answer Peritoneum ; visceral
and parietal



What is an organ if it is classed as "intraperitoneal"? - Answer Completely wrapped in peritoneum

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