Chapter 16

Which of the following is true about villi? (a) They are small finger like folding in small intestine. (b) They are supplied with network of capillaries. (c) They are supplied with large lymph vessel called lacteals. (d) All the above

Goblet cells are an example of (a) Multicellular gland (b) Unicellular gland (c) Alveolar gland (d) Tubular gland

Select the incorrect statement from the following. (a) Mucosal epithelium has goblet cells which secrete mucous that helps in lubrication. (b) Mucosa form gastric gland in stomach and crypts of Lieberkuhn in Intestine. (c) All the four histological layers shows modification in different parts of alimentary canal. (d) Muscularis layer is formed by outer circular and inner longitudinal muscle layer.

Which of the following are digestive glands associated with alimentary canal? (a) Salivary gland (b) Liver (c) Pancreas (d) All of these

How many salivary glands are present in the human body? (a) 3 (b) 4 (c) 5 (d) 6

The following are salivary glands, except (a) Parotid (b) Sub-maxillary/sub-mandibular (c) Sub-lingual (d) Brunner gland

The gland which is situated below the tongue is (a) Parotid (b) Sub-maxillary (c) Sub-lingual (d) Sub-mandibular

Select the incorrect match: Position \(\quad\) Gland (a) Cheeks Parotid (b) Lower jaw Sub-maxillary/sub-mandibular (c) Below tongue Sub-lingual (d) Pineal gland Dorsal side of mid brain

Which is the largest gland of our body? (a) Parotid (b) Pancreas (c) Liver (d) Adrenal

What is the approximate weight of an adult human liver? (a) \(1.2-1.5 \mathrm{~kg}\) (b) 2.5-3.5 kg (c) 0.5-1.0 kg (d) 200 grams

Liver is situated in (a) Thoracic cavity (b) Abdominal Cavity (c) Pelvic cavity (d) Cranial cavity

Liver is majorly divided into how many lobes? (a) 1 (b) 2 (c) 3 (d) 4

Each lobule in liver is covered by a thin connective tissue sheath called (a) Hepatic Fascia (b) Glisson's Capsule (c) Falciform ligament (d) Coronary ligament

Structural and functional unit of liver is (a) Cystic duct (b) Hepatocyte (c) Hepatic lobules (d) Kupffer cells

The function of gall bladder is (a) Storage of bile (b) Concentration of bile (c) Both (a) and (b) (d) Formation of bile

Common bile duct is formed by the joining of (a) Hepatic ducts (b) Cystic duct (c) Duct of Wirsung (d) Both (a) and (b)

Cystic duct is located in (a) Urinary bladder (b) Gall Bladder (c) Liver (d) Pancreas

Bile is secreted by (a) Glisson's Capsule (b) Gall bladder (c) Hepatic Cells (d) Kupffer cells

The bile duct and pancreatic duct opens together into the duodenum as hepato- pancreatic duct which is guarded by sphincter called (a) Sphincter of Boyden (b) Hepato pancreatic ampulla (c) Sphincter of Oddi (d) Cardiac Sphincter

Pancreas secretes (a) Insulin (b) Glucagon (c) Enzymes (d) All of these

Mixed Gland (endocrine \(+\) exocrine) is obtained from (a) Liver (b) Parotid (c) Pancreas (d) Adrenal

The major function performed by buccal cavity is (a) Mastication of food (b) Facilitation of swallowing (c) Both (a) and (b) (d) None of these

The bolus formed in buccal cavity conveyed into pharynx and then esophagus by the process is called (a) Peristalsis (b) Emesis (c) Deglutition/swallowing (d) Dysagglutination

The bolus formed in buccal cavity conveyed into pharynx and then esophagus by the process is called (a) Peristalsis (b) Emesis (c) Deglutition/swallowing (d) Dysagglutination

Saliva contains (a) Salivary amylase / Ptyalin (b) Electrolyte \(\left(\mathrm{Na}^{+}, \mathrm{K}^{+}, \mathrm{Cl}^{-}, \mathrm{HCO}^{3-}\right.\) etc. \()\) (c) Lysozyme (d) All of these

Lysozyme (a) Anti-viral agent (b) Anti-bacterial agent (c) Acts on lipid (d) Acts on carbohydrates

Lysozyme (a) Cellular barrier (b) Cytokine barrier (c) Physiological barrier (d) Physical barrier

Salivary amylase acts on (a) Slightly basic pH (b) Highly acidic pH (c) Slightly acidic pH (d) Highly basic \(\mathrm{pH}\)

Gastric glands are situated in (a) Sub-mucosa (b) Mucosa (c) Muscularis (d) Serosa

Match the column: A \(\quad \mathrm{B}\) A. Mucus neck cells 1\. HCI B. Peptic or Chief cells 2\. Intrinsic factor C. Parietal/Oxyntic cells 3\. Pepsinogen 4\. Mucus (a) \(\mathrm{A} \rightarrow 4, \mathrm{~B} \rightarrow 3, \mathrm{C} \rightarrow 1,2\) (b) \(\mathrm{A} \rightarrow 1,4, \mathrm{~B} \rightarrow 2, \mathrm{C} \rightarrow 3\) (c) \(\mathrm{A} \rightarrow 4, \mathrm{~B} \rightarrow 1,3, \mathrm{C} \rightarrow 2\) (d) \(\mathrm{A} \rightarrow 4, \mathrm{~B} \rightarrow 2,3, \mathrm{C} \rightarrow 1\)

Which is required for the absorption of Vitamin \(\mathrm{B}_{12}\) ? (a) \(\mathrm{HCl}\) (b) Pepsin (c) Intrinsic factor (d) Amylase

The stomach stores food for (a) \(1 \mathrm{hr}\) (b) \(2-3 \mathrm{hr}\) (c) 4-5 hrs (d) \(30 \mathrm{~min}\)

Digestion of carbohydrates starts from (a) Buccal cavity (b) Stomach (c) Small intestine (d) Large intestine

Digestion of carbohydrates starts from (a) Buccal cavity (b) Stomach (c) Small intestine (d) Large intestine

Protection of mucosal epithelium from highly concentrated HCl in stomach is performed by A. \(\mathrm{HCO}_{3}-\) Ion B. Mucus C. Pepsin D. Intrinsic factor (a) A and C only (b) B only (c) A and B only (d) A, B and C only

Optimal \(\mathrm{pH}\) for pepsin is (a) \(6.8\) (b) \(1.8\) (c) \(3.8\) (d) \(6.0\)

Optimal \(\mathrm{pH}\) for pepsin is (a) \(6.8\) (b) \(1.8\) (c) \(3.8\) (d) \(6.0\)

Which of the following is released in small intestine? (a) Bile juice (b) Pancreatic juice (c) Intestinal juice (d) All of these

Bile and pancreatic juice is released in small intestine by (a) Cystic duct (b) Bile duct (c) Pancreatic duct (d) Hepatic-pancreatic duct

Select from the following the total number of enzyme secreted by the pancrease. Trypsinogen, Amylase, Lipase, Pepsinogen, Prorennin, Maltase, Sucrase, Chymotrypsinogen, Procarboxypeptidase, Nucleases (a) 4 (b) 5 (c) 6 (d) 7

Trypsinogen is activated by (a) Enterokinase (b) Chymotrypsin (c) Rennin (d) Acidic pH

Which enzyme activates other enzymes in pancreatic juice? (a) Enterokinase (b) Chymotrypsin (c) Trypsin (d) Lipase

Enterokinase is secreted by (a) Mouth (b) Stomach (c) Small intestine (d) Large intestine

Bile juice contains all except (a) Bilirubin and bili-verdin (b) Bile salts and cholesterol (c) Phospholipids (d) Enzymes

Which of the following is incorrect about bile? (a) It contains bilirubin and biliverdin which are waste products. (b) Bile salts in it helps in the emulsification of fats. (c) Bile also activates lipases. (d) Bile contain digestive enzymes.

Intestinal juice or succus entericus is formed by the secretion of (a) Goblet cells (b) Brush border cells lining mucosa (c) Both (a) and (b) (d) None

Enzymes like dipeptidases, lipases, nucleosidases, nucleotidases, maltase and sucrase are present in (a) Bile juice (b) Gastric juice (c) Pancreatic juice (d) Succus entericus

Brunner's gland (a) Is situated in mucosal layer (b) Is present in sub-mucosal layer (c) Secretes HCI (d) Helps in the activation of gastric enzyme

Select the incorrect from the following: (b) Starch \(\stackrel{\text { Amylase }}{\longrightarrow}\) Disaccharides (c) Fats Iipases \(\longrightarrow\) Diglycerides \(\rightarrow\) Monoglycerides (d) Nucleotides \(\stackrel{\text { Nuclease }}{\longrightarrow}\) Nucleosides

Select the incorrect statement from the following: (a) Succus entericus act on end products produced by pancreatic enzyme. (b) Final steps of digestion occur far away from the mucosal epithelial cells of the intestine. (c) The breakdown of biomacromolecule generally occurs in the duodenum region of small intestine. (d) Simple substance forms after digestion is absorbed mainly by jejunum and ileum.