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Digestion and Absorption Test - 54

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Digestion and Absorption Test - 54
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  • Question 1
    1 / -0
    Narrow distal part of stomach is
    Solution
    • The pylorus is a narrow cone-shaped constriction present at the end of the stomach and the beginning of the small intestine.
    • It contains two region antrum which connects the parts of the stomach and pyloric canal that  connects the stomach to the small intestine.
    • The main function of the pylorus (valve) is to prevent intestinal contents from reentering the stomach when the small intestine contracts to limit the passage of large food particles or undigested material into the intestine.
    Thus, the correct answer is option D.
  • Question 2
    1 / -0
    Submucosa is the thickest in
  • Question 3
    1 / -0
    Saliva is produced by
  • Question 4
    1 / -0
    Which of the following is absorbed in ileum?
    Solution
    Substance
    		                                Absorbed in
     Fats                                 Duodenum
     Bile Salts
    		                                 Ileum
     Vitamin K
    		                                Jejunum
     Glucose
    		                    Membrane of small intestine
      Hence, Option B is correct.
  • Question 5
    1 / -0
    Cholecystokinin and secretin are secreted by 
    Solution
    C. Duodenum.
    Solution: Secretin, a digestive hormone emitted by that wall of the duodenum that manages gastric acid secretion and pH levels of the duodenum. Cholecystokinin, formerly called pancreozymin, a digestive hormone released with secretin when food from the stomach reaches the first part of the duodenum.
  • Question 6
    1 / -0
    Water is largely absorbed in ______.
  • Question 7
    1 / -0
    A salivary gland is________________
    Solution
    • The sublingual gland is one of the three salivary glands present. They are located beneath the mucous membrane of the floor of the mouth. The other salivary glands are the parotid and the submandibular glands. 
    • Brunner's glands are present in the duodenum of the small intestine and helps in the release of mucous and proteolytic enzymes. Lacrimal glands are exocrine glands that supply tears to the corner of the eye. 
    • Adrenal glands are endocrine glands present above the kidneys that are involved in the production of a large number of different hormones. So, the correct answer is 'sublingual gland'.
  • Question 8
    1 / -0
    Base of tongue is sensitive to taste
    Solution
    Tastes like sweet, salt, sour, bitter are sensed by all the sides of the tongue but the back of the tongue is very sensitive to bitter tastes.
    So the correct option is 'Bitter.'
  • Question 9
    1 / -0
    Proteolytic enzymes do not corrode lining of alimentary canal is ________.
  • Question 10
    1 / -0
    Caecum is large for digestion of cellulose with the help of symbiotic bacteria in
    Solution
    B. Rabbit.
    Solution: Rabbits are herbivores so that they need to derive nutrition from the large amounts of cellulose in their diet. They have a special mechanism for digesting cellulose. Rabbits harbour microbes in the cecum that release the enzyme cellulase to break down cellulose. The cecum produces nutrient-rich cecotropes that are later passed through the anus and consumed by the rabbit. The cecum contains microorganisms that can cleave the glycosidic bond and break down the cellulose through hindgut fermentation. The resulting food is then excreted via nutrient-rich droppings. The rabbits then re-ingest the droppings, a behaviour referred to as coprophagy.
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