Description : Typical results of beta-receptor activation include which one of the following? (a) Hypoglycemia (b) Lipolysis (c) Glycogen synthesis (d) Decreased skeletal muscle tremor (e) Decreased rennin secretion
Last Answer : Ans: B
Description : All of the following are true regarding platelet-activating factor (PAF) EXCEPT: C A. Induces platelet aggregation B. Stimulates platelet secretion C. It is a preformed molecule present in various cells D. None of these
Last Answer : It is a preformed molecule present in various cells
Description : Rennin acts on
Last Answer : Rennin acts on A. Milk changing casein into calcium paracaseinate at 7.2-8.2 Ph B. Proteins ... Milk, changing into calsium paracaseinate at 1-3 pH
Description : How many enzymes are active in given enzymes ? Trypsin, Chymotrypsinogen, Pro carboxypeptidase, Pepsinogen, Rennin
Last Answer : How many enzymes are active in given enzymes ? Trypsin, Chymotrypsinogen, Pro carboxypeptidase, Pepsinogen, Rennin A. 1 B. 2 C. 3 D. 4
Description : What is common amylase, rennin and trypsin ?
Last Answer : What is common amylase, rennin and trypsin ? A. They are produce in stomach B. These act at ... all are protein D. These all are proteolytic enzymes
Description : In the synthesis of Angiotensin I, rennin acts on Angiotensinogen and cleaves the (A) Leucine – leucine at 10 and 11 position (B) Valine – tyrosine at 3 and 4 position (C) Isoleucine – histidine at 5 and 6 position (D) Proline – histidine at 7 and 8 position
Last Answer : Answer : A
Description : In the rennin-angiotensin system the primary hormone is (A) Angiotensinogen (B) Angiotensin I (C) Angiotensin II (D) Angiotensin III
Last Answer : Answer : C
Description : The milk protein in the stomach of the infants is digested by (A) Pepsin (B) Trypsin (C) Chymotrypsin (D) Rennin
Last Answer : Answer : D
Description : Rennin acts on casein of milk in infants in presence of (A) Mg++ (B) Zn++ (C) Co++ (D) Ca++
Description : The zymogen from trypsinogen of pancreatic juice is converted to active trypsin by (A) Peisin (B) Enterocrinin (C) Enterokinase (D) Rennin
Description : The milk protein in the stomach in an adult is digested by (A) Pepsin (B) Rennin (C) HCl (D) Chymotrypsinogen
Description : The optimal pH for the enzyme rennin is (A) 2.0 (B) 4.0 (C) 8.0 (D) 6.0
Last Answer : Answer : B
Description : Which one of the following is characteristic of captopril and enalapril ? (a) Competitively blocks angiotensim II at its receptor (b) Decreases angiotensin II concentration in the blood (c) Decreases ... and decreases potassium in the blood (e) Decreases sodium and increases potassium in the urine
Description : If the stomach did not produce any hydrochloric acid, which enzyme will not function? (1) Ptyalin (2) Rennin (3) Pepsin (4) Lipase
Last Answer : (3) Pepsin Explanation: Hydrochloric acid converts pepsinogen into an enzyme called pepsin. When food enters the stomach, hydrochloric acid production increases and the pH may fall to as low as 1 or 2, a very acidic condition.
Description : Which of the following enzymes aids in coagulation of blood? (1) Tryptase (2) Pepsin (3) Rennin (4) Amylase
Last Answer : (3) Rennin Explanation: Amylase converts starch and glycogen into simple sugars. Pepsin is a digestive enzyme. Rennin, the active part of prorennin helps in coagulation of blood.
Description : Match the items given in column I with those in column II and choose the correct option. Column I Column II A. Rennin (i) Vitamin B12 B. Enterokinase (ii) Facilitated transport C. Oxyntic cells (iii)Milk proteins D. Fructose (iv) ... ii (c) A-iv, B-iii, C-ii, D-i (d) A-iii, B-iv, C-i, D-ii
Last Answer : (d) A-iii, B-iv, C-i, D-ii
Description : Which of the following is correct pairing of site of action and substrate of rennin? (a) Mouth - Starch (b) Small intestine - Protein (c) Stomach - Casein (d) Stomach - Fat
Last Answer : (c) Stomach - Casein
Description : Choose the correct enzyme - substrate pair. (a) Carbohydrate - Lipase (b) Maltase - Lactose (c) Rennin - Casein (d) Protein - Amylase
Last Answer : (c) Rennin - Casein
Description : What is common among amylase, rennin and trypsin? (a) These are produced in stomach. (b) These act at a pH lower than 7. (c) These all are proteins. (d) These all are proteolytic enzymes.
Last Answer : (c) These all are proteins.
Description : n mammals milk is digested by the action of (a) rennin (b) amylase (c) intestinal bacteria (d) invertase.
Last Answer : (a) rennin
Description : The initial step in the digestion of milk in humans is carried out by (a) lipase (b) trypsin (c) rennin (d) pepsin.
Last Answer : (c) rennin
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 : Which of the following options best represents the enzyme composition of pancreatic juice? (a) Amylase, Pepsin, Trypsinogen, Maltase (b) Peptidase, Amylase, Pepsin, Rennin (c) Lipase, Amylase, Trypsinogen, Procarbo- xypeptidase (d) Amylase, Peptidase, Trypsinogen, Rennin
Last Answer : (c) Lipase, Amylase, Trypsinogen, Procarbo- xypeptidase
Description : Aliskiren acts by (A) inhibiting the conversion of Angiotensin I to II (B) inhibiting the release of rennin (C) inhibiting the binding of Angiotensin II to the receptor (D) inhibiting the action of aldosterone
Last Answer : (B) inhibiting the release of rennin
Description : Which of the following options best represents the enzyme composition of pancreatic juice ? (1) amylase, pepsin, trypsinogen, maltase (2) peptidase, amylase, pepsin, rennin (3) lipase, amylase, trypsinogen, procarboxypeptidase (4) amylase, peptidase, trypsinogen, rennin
Last Answer : (3) lipase, amylase, trypsinogen, procarboxypeptidase
Description : One of the following is not a protein digesting (a) Pepsin (b) Rennin (c) Ptyalin (d) Air
Last Answer : (c) Ptyalin
Description : One of the following act upon milk protein (a) Renin (b) Rennin (c) Casein (d) None
Last Answer : (b) Rennin
Description : What is common among amylase, rennin and trypsin (a) All are protein (b) These are all proteolytic enzyme (c) These are produced in stomach (d) These act at a pH lower than 7
Last Answer : (a) All are protein
Description : Which of the following set is required for digestion of protein (a) Rennin, lipase, pepsinogen (b) Rennin, pepsin, trypsin (c) Pepsin, trypsin, erepsin (d) Trypsin, chymotrypsin, rennin
Last Answer : (c) Pepsin, trypsin, erepsin
Description : Rennin is a (a) Salivary product (b) Gastric product (c) Pancreatic product (d) All these
Last Answer : (b) Gastric product
Description : Milk protein is acted upon by which of the following (a) Rennin (b) Casein (c) Pepsin (d) Caseinogen
Last Answer : (a) Rennin
Description : Gastric juice includes (a) HCI (b) Pepsin (c) Rennin (d) All
Last Answer : (d) All
Description : By consumption of milk and milk products some human beings develop intestinal gas and diarrhoea due to absence of which enzyme (a) Lactase (b) Galactase (c) Protease (d) Rennin
Last Answer : (a) Lactase
Description : Rennin is also known as (a) Chymosin (b) Zymosin (c) Both (d) None
Last Answer : (a) Chymosin
Description : Which of the following belongs to the class of pepsin and trypsin (C.P.M.T.84) (a) Rennin (b) protein (c) Thyroxin (d) Secretin
Description : Which of the following converts peptones, proteoses and polypeptides into amino acids : (a) Amylase (b) Trypsin (c) Lipase (d) Rennin
Last Answer : (b) Trypsin
Description : Emulsified fat is acted upon by : (a) Lipase (b) Amylase (c) Rennin (d) Pepsin
Last Answer : (a) Lipase
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
Last Answer : Rennin
Description : The enzyme that coagulates milk into curd is (1) Rennin (2) Pepsin (3) Resin (4) Citrate
Description : All the following statements about FSH are true except (A) It is a tropic hormone secreted by anterior pituitary (B) Its secretion is increased by gonadotropin releasing hormone (C) It acts on Sertoli cells (D) It increases the synthesis of testosterone
Description : All the following statements about thyrotropin releasing hormone are true except (A) It is secreted by hypothalamus (B) It is a pentapeptide (C) It increases the secretion of TSH (D) Its secretion is inhibited by high level of T3 and T4 in blood
Description : All the following statements about angiotensin are true except (A) Its precursor is an α2-globulin (B) Its active form is an octapeptide (C) It is a vasodilator (D) It increases the secretion of aldosterone
Description : All of the following statements about pancreatic somatostain are true except (A) It is secreted by δ cells of islets of Langerhans (B) It stimulates the secretion of gastrin (C) It inhibits the secretion of secretin (D) It inhibits the secretion of cholecystokininpancreozymin
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
Description : Which of the following statement(s) is/are true concerning the neuroendocrine responses to shock? a. Sympathetic nerve endings release epinephrine which is responsible for greater than 80% ... injury and sepsis d. The renin-angiotensin axis further augments the sympathetic-mediated vasoconstriction
Last Answer : Answer: c, d The neuroendocrine response to shock attempts to achieve restoration of effective blood volume, mobilization of metabolic substrates, and maintenance of central ... . Angiotensin II is an extremely effective vasoconstrictor that further augments sympathetic-mediated vasoconstriction
Description : The first line of host defense is the barrier presented to the external environment. Which of the following statement(s) is/are true concerning host barriers? a. Sebaceous glands secrete ... of the upper gastrointestinal tract d. Gut peristalsis serves to prevent microbial adherence and invasion
Last Answer : Answer: b, c, d The skin, mucus membranes, and epithelial layers of various organs of the body constitute effective physical barriers against microbial invasion. In certain portions of the ... very low pH within the stomach and gut peristalsis both serve to prevent microbial adherence and invasion
Description : A 55-year-old male undergoes a total abdominal colectomy. Which of the following statement(s) is/are true concerning the hormonal response to the surgical procedure? a. Adrenocorticotropic ... in serum insulin and a fall in glucagon accelerate hepatic glucose production and maintain gluconeogenesis
Last Answer : Answer: a, c One of the earliest consequence of a surgical procedure is the rise in levels of circulating cortisol that occur in response to a sudden outpouring of ACTH ... hepatic glucose production, and, with other hormones (epinephrine and glucocorticoids), gluconeogenesis is maintained
Description : The transport of proteins out of the cell is termed exocytosis. Which of the following statement(s) is/are true concerning this process? a. Secretory vesicles fuse with the plasma membrane b. ... or a neurotransmitter d. A decrease in cytoplasmic calcium occurs as part of the secretion process
Last Answer : Answer: a, b, c Transport vesicles that bud off the Golgi network carry both material to be secreted from the cell and protein destined to become components of the plasma ... but may also involve generation of diacylglycerol or production of cyclic AMP which activate kinases or phosphatases