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Digestion and Absorption Test - 70

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Digestion and Absorption Test - 70
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  • Question 1
    1 / -0
    The folds of Kerckring are developed in?
  • Question 2
    1 / -0
    The outermost layer made up of a thin mesothelium (epithelium of visceral organs) is called :
    Solution
    • Serosa is the outermost layer that consists of a secretory epithelial layer and a thin connective tissue layer that reduce the friction from muscle movements.
    • Serous membranes secrete a slight amount of lubricating fluid. 
    • This layer of secretory epithelial cells in a serous membrane is called mesothelium.
    • The mucosa is the innermost layer of the digestive tract and the submucosa is a thick layer of loose connective tissue that surrounds the mucosa.


    So. the correct answer is option C.
  • Question 3
    1 / -0
    The process of digestion in human is completed in?
  • Question 4
    1 / -0
    If the pH of duodenum decreases below $$5$$, then secretion of ________ stop.
  • Question 5
    1 / -0
    Parotid salivary gland are present:
    Solution
    Salivary glands are a group of bodies that secrete saliva in our mouth. It can only be discovered in mammals. It is an exocrine gland that secretes drugs outside of the body or within a cavity of the body. Saliva includes multiple chemicals with water that regulate the pH in the mouth, including mucus, salts, antibacterial substances, enzymes and chemicals.There are three kinds of salivary glands: parotid, sublingual, and sub mandibular. Each of them is properly named after the region in the oral cavity where they are situated. The biggest salivary gland is the parotid glands. Each gland is about 6 cm long and 3-4 cm wide, and up to 30 grams can be weighed. They're within every one of our cheeks. They are present infront and below the ears. These glands secrete protein-rich fluid which is a suspension of alpha-amylase enzyme
  • Question 6
    1 / -0
    Tongue bone is ______.
    Solution
    The hyoid bone is a horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage. It is also known as lingual bone or tongue bone. It lies at the level of the base of the mandible in the front when it is at rest. The hyoid is anchored by muscles from the anterior, posterior, and inferior directions. It helps in tongue movement and swallowing. The hyoid bone provides attachment to the muscles of the floor of the mouth and the tongue above, the larynx below, and the epiglottis and pharynx behind. 
    So, the correct option is B.
  • Question 7
    1 / -0
    Mucosa forms rugae in the?
    Solution
    Answer : 

    i) In the empty state, the stomach is contracted and its mucosa and submucosa are thrown up into distinct folds called rugae.
    ii) When distended with food, the rugae are ironed out and flat.
    iii) These are the openings of gastric pits which extend into the mucosa as straight and branched tubules, forming gastric glands.

    Therefore the correct answer is option D. Stomach.

  • Question 8
    1 / -0
    The location of villi is:
    Solution
    Villi are tiny finger-like projections originating from the wall of the small intestine. They increase the surface area of absorption of digested food.
    So,  the correct answer is 'small intestine'
  • Question 9
    1 / -0
    Given the diagrammatic representation of "T.S. of Gut". Select the correct option in which labelled part and their comments are not matched correctly?

    Solution

  • Question 10
    1 / -0
    How many enzymes in the list given below infound in pancreatic juice?
    Enterokinase, Chymotrypsin, Aminopeptidase, Pepsin, Lactase, Rennin, Carboxypeptidase, Nuclease, Nucleotidase & Elastase:-
    Solution
    Trypsinogen, chymotrypsinogen, elastase, carboxypeptidase, nuclease are the enzymes secreted by the pancreas.
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