Description : All of the following statements about cholecystokinin pancreozymin are true except (A) It is secreted by mucosa of small intestine (B) It stimulates secretion of pancreatic juice rich in enzymes (C) It stimulates contraction of gall bladder (D) It inhibits gastric motility
Last Answer : Answer : D
Description : How does the pancreatic juice participate in the digestion of proteins? What are the involved enzymes?
Last Answer : The pancreas secretes trypsinogen that, undergoing action of the enzyme enterokinase secreted by the duodenum, is transformed into trypsin. Trypsin in its turn catalyzes the activation of pancreatic ... activated by trypsin) helped by the enzyme aminopeptidase made in the intestinal mucous membrane.
Description : Cyanide poisoning causes death in seconds because - (1) It denatures enzymes of the heart/muscle (2) It breaks the electron transport chain (3) It causes Lysis of red blood cells (4) It causes cardiac arrest
Last Answer : (4) It causes cardiac arrest Explanation: Cyanide poisoning occurs on exposure to a com-pound that produces cyanide ions when dissolved in water. The cyanide ion halts cellular respiration by inhibiting ... coma with seizures, apnea, and cardiac arrest, with death following in a matter of seconds.
Description : Cyanide poisoning causes death in seconds because (1) It denatures enzymes of the heart/muscle (2) It breaks the electron transport chain (3) It causes Lysis of red blood cells. (4) It causes cardiac arrest
Last Answer : It causes cardiac arrest
Description : What substances are contained in gastric juice ? What are their functions ? -Science
Last Answer : The gastric juice contains three substances; hydrochloric acid, the enzyme pepsin and mucus. Functions: (a) Hydrochloric acid: It makes the medium of gastric juice acidic so that the enzyme pepsin ... Mucus: The mucus helps to protect the stomach wall from its own secretions of hydrochloric acid.
Description : Which organ that secrete gastric juice?
Last Answer : The pancreas
Description : What is another name for gastric juice ?
Last Answer : Another name for gastric juice is digestive juice.
Description : Assertion `:` Gastric glands occur throughout the alimentary canal. Reason `:` Gastric juice inhibits movement of food through the alimentary canal
Last Answer : Assertion `:` Gastric glands occur throughout the alimentary canal. Reason `:` Gastric juice inhibits ... D. If both Assertion & Reason are false.
Description : Ph of gastric juice is
Last Answer : Ph of gastric juice is A. 2 B. 4 C. 6 D. 8
Description : Gastric juice of infants contains
Last Answer : Gastric juice of infants contains A. nuclease, pepsinogen, lipase B. pepsinogen, lipase, rennin ... rennin, pepsinogen D. maltase, pepsinogen, rennin
Last Answer : Gastric juice of infants contains A. amylase, rennin, pepsinogen B. maltase, pepsinogen, rennin ... pepsinogen, lipase D. pepsinogen, lipase, rennin
Description : Assertion: Gastrectomy can lead to iron-deficiency or anaemia. Reason: HCl of gastric juice converts `Fe^(3+)` into `Fe^(2+)` which makes iron absorba
Last Answer : Assertion: Gastrectomy can lead to iron-deficiency or anaemia. Reason: HCl of gastric juice converts `Fe^ ... `Fe^(2+)` which makes iron absorbabale.
Description : What is the pH in gastric juice?
Last Answer : This pH level is approx. 2.
Description : The pH of gastric juice of infants is (A) 2.0 (B) 4.0 (C) 4.5 (D) 5.0
Description : The Instrinisic Factor (HCl and mucoproteins) present in the gastric juice help in the absorption of (A) Vitamin B2 (B) Tocopherols (C) Folic acid (D) Vitmain B12
Description : A digestive secretion that does not contain any digestive enzyme is (A) Saliva (B) Gastric juice (C) Pancreatic juice (D) Bile
Description : The pH of gastric juice become low in (A) Hemolytic anemia (B) Pernicious anemia (C) Both (A) and (B) (D) None of these
Last Answer : Answer : B
Description : Secretin causes all of the following except (A) Secretion of pancreatic juice (B) Secretion of bile (C) Inhibition of gastric secretion (D) Stimulation of intestinal motility
Description : The acid present in gastric juice is – (1) Hydrochloric (2) Nitric (3) Sulphuric (4) Ascorbic
Last Answer : (1) Hydrochloric Explanation: Gastric glands within the stomach produce secretions called gastric juice. Hydrochloric acid (HCl) converts pepsinogen to pepsin hich breaks down proteins to peptides.
Description : The pH of gastric juice released during digestion is a) Less than seven b) More than seven c) Equal to seven d) Equal to zero
Last Answer : a) Less than seven
Description : The hormone that stimulates the stomach to secrete gastric juice is (a) enterokinase (b) enterogastrone (c) gastrin (d) renin
Last Answer : (c) gastrin
Description : Secretion of gastric juice is stopped by (a) gastrin (b) pancreozymin (c) cholecystokinin (d) enterogastrone
Last Answer : (d) enterogastrone.
Description : Which of the following is the function of enterogastrone? (a) It inhibits the secretion of gastric juice. (b) It stimulates the secretion of digestive juices in the stomach. (c) It stimulates the flow of pancreatic juice. (d) It regulates the flow of bile.
Last Answer : (a) It inhibits the secretion of gastric juice.
Description : What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor? (a) In the absence of HCl secretion, inactive pepsinogen is not converted into the active ... c) Gastric juice will be deficient in chymosin. (d) Gastric juice will be deficient in pepsinogen.
Last Answer : (a) In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
Description : Gastric juice of infants contains (a) pepsinogen, lipase, rennin (b) amylase, rennin, pepsinogen (c) maltase, pepsinogen, rennin (d) nuclease, pepsinogen, lipase
Last Answer : (a) pepsinogen, lipase, rennin
Description : Secretin stimulates production of (a) saliva (b) gastric juice (c) bile (d) pancreatic juice.
Last Answer : (d) pancreatic juice.
Description : The primary mechanism by which prostaglandins promote ulcer healing is: A. Inhibition of gastric acid secretion B. Augmentation of bicarbonate buffered mucus layer covering gastroduodenal mucosa C. Increased bicarbonate secretion in gastric juice D. Increased turnover of gastric mucosal cell
Last Answer : B. Augmentation of bicarbonate buffered mucus layer covering gastroduodenal mucosa
Description : The following class of gastric antisecretory drug also reduce gastric motility and have primary effect on juice volume, with less marked effect on acid and pepsin A. Histamine H2 blockers B. Anticholinergics C. Proton pump inhibitors D. Prostaglandins
Last Answer : B. Anticholinergics
Description : Omeprazole exerts practically no other action except inhibition of gastric acid secretion because: A. It transforms into the active cationic forms only in the acidic pH of the gastric juice B. Its ... forms are unable to diffuse out from the gastric parietal cell canaliculi D. All of the above
Last Answer : D. All of the above
Description : Weakly acidic drugs: A. Are bound primarily to α1 acid glycoprotein in plasma B. Are excreted faster in alkaline urine C. Are highly ionized in the gastric juice D. Do not cross blood-brain barrier
Last Answer : B. Are excreted faster in alkaline urine
Description : A good source of lipase is (a) Saliva (b) Bile (c) Gastric juice (d) Pancreatic juice .
Last Answer : (d) Pancreatic juice .
Description : Gastric juice includes (a) HCI (b) Pepsin (c) Rennin (d) All
Last Answer : (d) All
Description : The acid present in gastric juice is (1) Hydrochloric (2) Nitric (3) Sulphuric (4) Ascorbic
Last Answer : Hydrochloric
Description : Assertion: Bile is not a true digestive juice Reason: Bile lacks digestive enzymes.
Last Answer : Assertion: Bile is not a true digestive juice Reason: Bile lacks digestive enzymes. A. If both Assertion ... D. If both Assertion & Reason are false.
Description : The fruit when kept is open, tastes bitter after 2 hours because of (A) Loss of water from juice (B) Decreased concentration of fructose in juice (C) Fermentation by yeast (D) Contamination by bacterial enzymes
Description : Besides the pancreatic juice in the intestine there is the releasing of the enteric juice that contains digestive enzymes too. What are these enzymes and which type of molecule do each of these enzymes break?
Last Answer : The enteric juice is secreted by the small intestine mucosa. The enzymes of the enteric juice and their respective functions are described as follows: Enterokinase: enzyme that activates ... Enzymes that break nucleotides into its components (nitrogen-containing bases, phosphates and pentoses).
Description : Which enzymes are contained in pancre- atic juice?
Last Answer : Trypsin; Amylase & Lipase
Description : Pick out the wrong statement. (A) Wine, rum & Vodka are prepared by the formulation of fruit juice, sugar beet & rye respectively (B) Protein catalysts are called enzymes (C) The rate ... concentration of reactants at high concentration of enzymes (D) Total sugar content in molasses is about 10%
Last Answer : (D) Total sugar content in molasses is about 10%
Description : Streptomycin sulfate is not absorbed orally because it is (a) Degraded by gastrointestinal enzymes (b) Destroyed by gastric acid (c) Highly ionized at a wide range of pH values (d) Insoluble in water
Last Answer : Ans: C
Description : Streptomycin sulfate is not absorbed orally because it is: A. Degraded by gastrointestinal enzymes B. Destroyed by gastric acid C. Highly ionized at a wide range of pH values D. Insoluble in water
Last Answer : C. Highly ionized at a wide range of pH values
Description : Which are enzymes of gastric gland (a) Trypsin and rennin (b) Pepsin and rennin (c) Lipase and trypsin (d) Vessopressin and lipase
Last Answer : (b) Pepsin and rennin
Description : The distinctive feature of nimesulide is: A. It does not inhibit prostaglandin synthesis B. It does not cause gastric irritation C. It is usually well tolerated by aspirin intolerant asthma patients D. It is not bound to plasma proteins
Last Answer : C. It is usually well tolerated by aspirin intolerant asthma patients
Description : $ Enzymes are special types of proteins. ! Those substances which interfere with the action of enzymes are called inhibitors.
Last Answer : $ Enzymes are special types of proteins. ! Those substances which interfere with the action of enzymes are ... wrong D. If both As and R are wrong.
Description : Isoenzymes can be characterized by (A) Proteins lacking enzymatic activity that are necessary for the activation of enzymes (B) Proteolytic enzymes activated by hydrolysis (C) Enzymes with identical primary structure (D) Similar enzymes that catalyse different reaction
Description : Dietary fibre denotes (A) Undigested proteins (B) Plant cell components that cannot be digested by own enzymes (C) All plant cell wall components (D) All non digestible water insoluble polysaccharide
Description : The digestability of certain denatured proteins by proteolytic enzymes (A) Decreases (B) Increases (C) Normal (D) None of these
Last Answer : Answer : A
Description : For biosynthesis of proteins (A) Amino acids only are required (B) Amino acids and nucleic acids only are required (C) Amino acid, nucleic acids and ATP only are required (D) Amino acids, nucleic acids, ATP, GTP, enzymes and activators are required
Description : Pyrenoids are the centers for formation of: (a) Proteins (b) enzymes (c) Fat (d) Starch
Last Answer : Ans. ((d))