MEDSCI 142 Digestive Systems Revision Exam Questions With Solved Solutions.
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Course
MEDSCI 142
Institution
MEDSCI 142
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...
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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