Description : Histamine H2 blockers attenuate the gastric secretory response to acetylcholine and pentagastrin as well because: A. H2 blockers block gastric mucosal cholinergic and gastrin receptors as well B. H2 ... acetylcholine and gastrin all act through the phospholipase C-IP3:DAG pathway in gastric mucosa
Last Answer : C. Acetylcholine and gastrin act partly by releasing histamine in gastric mucosa
Description : A prodrug is: A. The prototype member of a class of drugs B. The oldest member of a class of drugs C. An inactive drug that is transformed in the body to an active metabolite D. A drug that is stored in body tissues and is then gradually released in the circulation
Last Answer : C. An inactive drug that is transformed in the body to an active metabolite
Description : Choose the correct statement about allopurinol: A. It is a purine antimetabolite with antineoplastic activity B. It is a competitive inhibitor of xanthine oxidase C. It is inactive itself ... D. Both allopurinol as well as its metabolite alloxanthine are noncompetitive inhibitors of xanthine oxidase
Last Answer : B. It is a competitive inhibitor of xanthine oxidase
Description : All following are naturally occurring nucleotides except (A) Cyclic AMP (B) ATP (C) DNA (D) Inosine monophosphate
Last Answer : Answer : C
Description : Naturally occurring amino acids have (A) L-Configuration (B) D-Configuration (C) DL-Configuration (D) None of these
Last Answer : Answer : A
Description : All the following statements about acetyl CoA carboxylase are true except (A) It is required for de novo synthesis of fatty acids (B) It is required for mitochondrial elongation of fatty acids ( ... for microsomal elongation of fatty acids (D) Insulin converts its inactive form into its active form
Last Answer : Answer : B
Description : Which of the following statements is not true about diamonds? (a) It is the purest form of carbon (b) It is the hardest naturally occurring substance (c) It is a good conductor of ... diamonds can be prepared by subjecting a solution of pure carbon in iron to very high pressures and temperatures
Last Answer : Ans:(c)
Description : a naturally occurring force related to two bodies in motion is _______ force. -General Knowledge
Last Answer : A naturally occurring force related to two bodies in motion is frictional force.
Description : Q: Which is the hardest naturally occurring substance on the Earth? -General Knowledge
Last Answer : Diamond is the ans
Description : What is the mass in grams of 9.76 x 1012 atoms of naturally occurring sodium?
Last Answer : The mass is 1,62.10e-11.
Description : What naturally occurring inorganic crystalline solid is a?
Last Answer : a mineral
Description : In this case scientists have copied a type of naturally occurring genetic mutation called?
Last Answer : Feel Free to Answer
Description : What is the Naturally occurring short circular pieces of DNA?
Last Answer : Need answer
Description : The heaviest naturally occurring element is: (1) Mercury (2) Poloni (3) Thorium (4) Uranium
Last Answer : (4) Uranium Explanation: The heaviest element in terms of heaviest per a given number of atoms is the element with the highest atomic weight. This is the element with the larg st number of ... man-made. The heaviest naturally-occurring element is uranium (atomic number 92, atomic weight 238.0289).
Description : Which naturally occurring element in the rice husk makes it termite resistant?
Last Answer : Silicon
Description : Naturally occurring aluminium silicate is?
Last Answer : Mica
Description : Naturally occurring compound of Beryl- lium?
Last Answer : Emerald
Description : Which of the following is not a naturally occurring nuclear fuel? (A) Uranium-238 (B) Thorium-233 (C) Plutonium-239 (D) None of these
Last Answer : (C) Plutonium-239
Description : The number of naturally occurring ele- ments?
Last Answer : 92
Description : In making beer, in the process of ____ barley grains are steeped in water while naturally occurring enzymes digest the starch to simpler carbohydrates. a. steeping b. mashing c. maltng d. worting
Last Answer : c. maltng
Description : When the Exxon Valdez oil spill occurred, technologists "fertilized" the oil-soaked water with _____ to modify the environment and stimulate he growth of naturally occurring microorganisms. a. nitrogen sources (e.g., urea) b. phosphorus compounds c. other mineral nutrients d. A-C above are correct
Last Answer : d. A-C above are correct
Description : The five elements present in most naturally occurring proteins are : (a) C, H, O, P, and S (b) N, C, H, O, and I (c) N, S, C, H, and O (d) C, H, O, S, and I
Last Answer : N, S, C, H, and O
Description : Which of the following statements is not true about fatty acids? (a) Fatty acids are carboxylic acids with long hydrocarbon side chains. (b) The double bonds in unsaturated fatty acids are always ... contain even numbers of carbons and are unbranched. (d) Fatty acids can be saturated or unsaturated
Last Answer : The double bonds in unsaturated fatty acids are always conjugated
Description : The heaviest naturally occurring element is?
Last Answer : Uranium
Description : ________ is naturally occurring inorganic substance found deep under the surface of the earth. a) ore b)mineral c)metal d)non-metal
Last Answer : b)mineral
Description : Naturally occurring ____ play a role in food coloring. a. enzymes c. pigments b. sugars d. carbohydrates
Last Answer : c. pigments
Description : A rock is (A)a naturally occurring, hard, solid substance (B) any hard, solid substance on earth (C)an aggregate of minerals (D)only produced by cooling of magma
Last Answer : an aggregate of minerals
Description : What naturally occurring radioactive element is so common in homes that testing for its presence is often advisable?
Last Answer : ANSWER: RADON
Description : What naturally occurring radioactive substance present in indoor air is suspected as the second leading cause of lung cancer?
Description : It is a common observation that naturally occurring processes have a particular direction associated with them. For instance, heat flows from a hot body to a colder body. The property of a system ... this natural direction of events is called w) energy x) entropy y) enthalpy z) equilibrium
Last Answer : ANSWER: X -- ENTROPY
Description : The heaviest naturally occurring element is: (1) Mercury (2) Polonium (3) Thorium (4) Uranium
Description : Which of the following is not an attribute of amlodipine ? (a) High and consistent oral bioavailability (b) Large volume of distribution (c) Generation of an active metabolite (d) Long elimination half-life
Last Answer : Ans: C
Description : Cefotaxime has the following properties except (a) It is highly active against aerobic gram negative bacteria (b) It is the most active cephalosporin against Pseudomonas aeruginosa (c) It produces an active metabolite (d) It has achieved high cure rates in serious hospital acquired infections
Last Answer : Ans: B
Description : Choose the correct statement about famciclovir: A. It is active against acyclovir resistant strains of herpes simplex virus B. It does not need conversion to an active metabolite C. It is used orally to treat genital herpes simplex D. It is the drug of choice for cytomegalovirus retinitis
Last Answer : C. It is used orally to treat genital herpes simplex
Description : The high virus selectivity of acyclovir is due to: A. Its preferential uptake by virus infected cells B. Need of virus specific enzyme for its conversion to the active metabolite C. Its action on ... reverse transcriptase which does not occur in noninfected cells D. Both A' and B' are correct
Last Answer : D. Both ‘A’ and ‘B’ are correct
Description : What is true of isonicotinic acid hydrazide (INH): A. An active transport mechanism concentrates INH inside sensitive mycobacteria B. Sensitive mycobacteria generate an active metabolite of INH through a catalaseperoxidase enzyme C. The most common mechanism of INH resistance is mutation i
Last Answer : D. Both 'A' and 'B' are correct
Description : Cefotaxime has the following properties except: A. It is highly active against aerobic gram negative bacteria B. It is the most active cephalosporin against Pseudomonas aeruginosa C. It produces an active metabolite D. It has achieved high cure rates in serious hospital acquired infections
Last Answer : B. It is the most active cephalosporin against Pseudomonas aeruginosa
Description : Which of the following is not an attribute of amlodipine: A. Generation of an active metabolite B. Large volume of distribution C. High and consistent oral bioavailability D. Long elimination half life
Last Answer : A. Generation of an active metabolit
Description : The following is true of procainamide except: A. It generates an active metabolite in the body B. Its plasma half-life is longer than that of quinidine C. On long-term use, it ... erythematosus like illness D. It is effective in many cases of ventricular extrasystoles, not responding to lignocaine
Last Answer : A. Disopyramide
Description : The following is not true of morphine: A. Its 2-glucuronide metabolite is an active analgesic B. Its active metabolite penetrates blood-brain barrier better than morphine C. Its oral: parenteral activity ratio is 1:4 D. It undergoes enterohepatic cycling
Last Answer : B. Its active metabolite penetrates blood-brain barrier better than morphine
Description : In the treatment of parkinsonism, bromocriptine differs from levodopa in the following respects except: A. It does not need conversion to an active metabolite B. It has a longer duration of ... with little/antagonistic action on D1 receptors D. It does not produce behavioral/psychiatric side effect
Last Answer : D. It does not produce behavioral/psychiatric side effects
Description : The following statement is not true of carbamazepine: A. It generates an active metabolite B. Its plasma half life decreases to nearly half of the original value after chronic use C. It is being used in mania D. It is not effective in complex partial seizures
Last Answer : D. It is not effective in complex partial seizures
Description : Carbimazole differs from propylthiouracil in that: A. It is dose to dose less potent B. It has a shorter plasma half life C. It does not produce an active metabolite D. It does not inhibit peripheral conversion of thyroxine to triiodothyronine
Last Answer : D. It does not inhibit peripheral conversion of thyroxine to triiodothyronine
Description : Which of the following is a disease modifying antirheumatic drug whose active metabolite inhibits the enzyme dihydro-orotate dehydrogenase: A. Leflunomide B. Nimesulide C. Sulfasalazine D. Colchicine
Last Answer : A. Leflunomide
Description : What is true about Bt toxin? (a) Bt protein exists as active toxin in the Bacillus. (b) The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication. ... Bacillus has antitoxins. (d) The inactive protoxin gets converted into active form in the insect gut.
Last Answer : (d) The inactive protoxin gets converted into active form in the insect gut.
Description : Gastric Secretion is regulated by the hormone: (A) Glucagon (B) Gastrin (C) Epinephrin (D) ACTH
Description : Which of one of the following is not GUT hormone? (A) Motiline (B) Secretion (C) Gastrin (D) Calcitonin
Last Answer : Answer : D
Description : Biological activity of gastrin is present in the (A) Four N-terminal amino acids (B) Four C-terminal amino acids (C) Five N-terminal amino acids (D) Five C-terminal amino acids
Description : Gastrin is a polypeptide made up of (A) Five amino acids (B) Twelve amino acids (C) Seventeen amino acids (D) Twenty amino acids