Action of kinins is to (A) Increase salt excretion (B) Decrease salt retention (C) Decrease water retention (D) Increase both salt and water excretion

Action of kinins is to (A) Increase salt excretion (B) Decrease salt retention (C) Decrease water retention (D) Increase both salt and water excretion
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Choose the correct statement about osmotic diuretics: A. They are large molecular weight substances which form colloidal solution B. Their primary site of action is collecting ducts in the kidney C. They increase water excretion without increasing salt excretion D. They can lower intraocular pressure

Description : Choose the correct statement about osmotic diuretics: A. They are large molecular weight substances which form colloidal solution B. Their primary site of action is collecting ducts in the ... C. They increase water excretion without increasing salt excretion D. They can lower intraocular pressure

Last Answer : D. They can lower intraocular pressure

Diazoxide is an effective hypotensive, but is not used in the long-term treatment of hypertension because: A. It impairs glucose tolerance by inhibiting insulin release B. It inhibits uric acid excretion C. It causes marked Na+ and water retention leading to development of tolerance D. All of the above

Description : Diazoxide is an effective hypotensive, but is not used in the long-term treatment of hypertension because: A. It impairs glucose tolerance by inhibiting insulin release B. It inhibits uric acid ... causes marked Na+ and water retention leading to development of tolerance D. All of the above

Last Answer : D. All of the above

The activity of kinins is modulated by (A) Prostaglandins (B) Ca++ (C) Increased cAMP level (D) Increased cGMP level

Description : The activity of kinins is modulated by (A) Prostaglandins (B) Ca++ (C) Increased cAMP level (D) Increased cGMP level

Last Answer : Answer : A

Characteristics of Vitamin D and its metabolites include which one of the following? (a) Act to decrease serum levels of calcium (b) Activation of their Vitamin D receptors increases cellular CAMP (c) Calcitriol is the major derivative responsible for increasing intestinal absorption of phosphate (d) Metabolites of Vitamin D increase renal excretion of calcium (e) Vitamin D deficiency results in Pager’s disease

Description : Characteristics of Vitamin D and its metabolites include which one of the following? (a) Act to decrease serum levels of calcium (b) Activation of their Vitamin D receptors increases cellular CAMP ... Vitamin D increase renal excretion of calcium (e) Vitamin D deficiency results in Pager's disease

Last Answer : Ans: C

he following is true of nifedipine except: A. It can aggravate urine voiding difficulty in elderly males with prostatic hypertrophy B. It promotes Na+ retention by a renal tubular action to cause ankle oedema as side effect C. It can inhibit insulin release from pancreas D. At high doses it can paradoxically increase the frequency of angina pectori

Description : he following is true of nifedipine except: A. It can aggravate urine voiding difficulty in elderly males with prostatic hypertrophy B. It promotes Na+ retention by a renal tubular action to ... release from pancreas D. At high doses it can paradoxically increase the frequency of angina pectori

Last Answer : B. It promotes Na+ retention by a renal tubular action to cause ankle oedema as side effect

All the following are true about phenylketonuria except (A) Deficiency of phenylalanine hydroxylase (B) Mental retardation (C) Increased urinary excretion of p-hydroxyphenyl pyruvic acid (D) Decrease serotonin formation

Description : All the following are true about phenylketonuria except (A) Deficiency of phenylalanine hydroxylase (B) Mental retardation (C) Increased urinary excretion of p-hydroxyphenyl pyruvic acid (D) Decrease serotonin formation

Last Answer : Answer : C

Metabolic actions of estrogens tend to cause the following except: A. Anabolism B. Impaired glucose tolerance C. Rise in plasma LDL-cholesterol D. Salt and water retention

Description : Metabolic actions of estrogens tend to cause the following except: A. Anabolism B. Impaired glucose tolerance C. Rise in plasma LDL-cholesterol D. Salt and water retention

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The following is/are true of mesalazine: A. It exerts mainly local antiinflammatory action in the lower gut B. It is a broad spectrum antidiarrhoeal drug C. It can be administered as a retention enema D. Both 'A' and 'C

Description : The following is/are true of mesalazine: A. It exerts mainly local antiinflammatory action in the lower gut B. It is a broad spectrum antidiarrhoeal drug C. It can be administered as a retention enema D. Both 'A' and 'C

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Kinins?

Description : Kinins?

Last Answer : DefinitionKinins are proteins in the blood that affect certain muscle contractions and blood pressure (especially low blood pressure).They also:Increase blood flow throughout the bodyMake it easier for fluids to ... , eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 45.

Which of the following activates Hageman factor in blood clotting? B A. Kinins B. Negatively charged surfaces C. Complement C5a D. Positively charged collagen

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Last Answer : Negatively charged surfaces

Leaf senescence can be retarded by the application of : a. Auxins b. Gibberellins c. Kinins d. Abscicic acid

Description : Leaf senescence can be retarded by the application of : a. Auxins b. Gibberellins c. Kinins d. Abscicic acid

Last Answer : Kinins

________ can release lateral buds from apical dominance : a. Auxins b. Gibberellins c. Kinins d. None of above

Description : ________ can release lateral buds from apical dominance : a. Auxins b. Gibberellins c. Kinins d. None of above

Last Answer : Kinins

________ have ability to alter the sex of the flowers: a. Auxins b. Gibberellins c. Kinins d. None of above

Description : ________ have ability to alter the sex of the flowers: a. Auxins b. Gibberellins c. Kinins d. None of above

Last Answer : Gibberellins

Direction of plant growth is controlled by: a. Auxins b. Gibberellins c. Kinins d. All of above

Description : Direction of plant growth is controlled by: a. Auxins b. Gibberellins c. Kinins d. All of above

Last Answer : Auxins

Compounds possessing hormone like properties which have small molecular weight, are termed as : a. Auxins b. Gibberellins c. Kinins d. None of these

Description : Compounds possessing hormone like properties which have small molecular weight, are termed as : a. Auxins b. Gibberellins c. Kinins d. None of these

Last Answer : Kinins

Which of the following complications of TPN are appropriately managed with the listed treatment? a. Air embolism—place patient in reverse Trendelenburg and the left lateral decubitus position and aspirate venous air b. Hyperchloremic metabolic acidosis—give sodium and potassium as acetate salts c. Carbon dioxide retention—decrease glucose calories and replace with fat d. Line sepsis—intravenous antibiotics

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Last Answer : Answer: b, c A number of complications of TPN can occur which can be divided into three types: mechanical, metabolic, and infectious

Adverse consequences of excess mineralocorticoid action include the following except: A. Na+ and water retention B. Acidosis C. Aggravation of CHF associated myocardial fibrosis D. Rise in blood pressure

Description : Adverse consequences of excess mineralocorticoid action include the following except: A. Na+ and water retention B. Acidosis C. Aggravation of CHF associated myocardial fibrosis D. Rise in blood pressure

Last Answer : B. Acidosis

The following is not a feature of thiazide diuretics used as antihypertensive: A. They do not cause symptomatic postural hypotension B. The dose has to be titrated over a wide range according to the response C. They restore responsiveness to other antihypertensives when tolerance has developed D. They decrease renal calcium excretion which may improve calcium balance in elderly patients

Description : The following is not a feature of thiazide diuretics used as antihypertensive: A. They do not cause symptomatic postural hypotension B. The dose has to be titrated over a wide range ... has developed D. They decrease renal calcium excretion which may improve calcium balance in elderly patients

Last Answer : B. The dose has to be titrated over a wide range according to the response

The means by which one part of a partial denture framework opposes the action of the retainer in faction is:** A. Tripoding B. Reciprocation C. Stress breaking D. Indirect retention

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The action of aspirin that results in its greater efficacy as an antithrombotic (anti-platelet) drug is its ability to (a) Inhibit lipoxygenase as well as cyclooxygenase (b) Selectively inhibit cyclooxygenase I (c) Inhibit leukocyte migration (d) Promote uric acid excretion (e) Acetylate cyclooxygenase

Description : The action of aspirin that results in its greater efficacy as an antithrombotic (anti-platelet) drug is its ability to (a) Inhibit lipoxygenase as well as cyclooxygenase (b) Selectively inhibit ... I (c) Inhibit leukocyte migration (d) Promote uric acid excretion (e) Acetylate cyclooxygenase

Last Answer : Ans: E

Pharmacodynamics considers; B A. The way in which the drug affects the Body B. The effect of drug in the body and mode of action C. Drug metabolism D. Drug excretion

Description : Pharmacodynamics considers;  B A. The way in which the drug affects the Body B. The effect of drug in the body and mode of action C. Drug metabolism D. Drug excretion

Last Answer : The effect of drug in the body and mode of action

Mesna is administered with cyclophosphamide and ifosphamide to: A. Potentiate their cytotoxic action B. Retard their renal excretion C. Block their emetic action D. Ameliorate cystitis caused by them

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Last Answer : D. Ameliorate cystitis caused by them

Which of the following processes plays the major role in terminating the action of phenobarbitone: A. Biliary excretion B. Renal excretion C. Hepatic metabolism D. Redistribution

Description : Which of the following processes plays the major role in terminating the action of phenobarbitone: A. Biliary excretion B. Renal excretion C. Hepatic metabolism D. Redistribution

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5 A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of its action: A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Description : 5 A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination ... : A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Last Answer : D. Redistribution

03. What does “pharmacokinetics” include? a) Localization of drug action b) Mechanisms of drug action c) Excretion of substances d) Interaction of substances

Description : 03. What does “pharmacokinetics” include? a) Localization of drug action b) Mechanisms of drug action c) Excretion of substances d) Interaction of substances

Last Answer : c) Excretion of substances

A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of its action: A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Description : A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of ... : A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Last Answer : D. Redistribution

Pharmacokinetics is: a) The study of biological and therapeutic effects of drugs b) The study of absorption, distribution, metabolism and excretion of drugs c) The study of mechanisms of drug action d) The study of methods of new drug development

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Last Answer : b) The study of absorption, distribution, metabolism and excretion of drugs

A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of its action: A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Description : A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of ... : A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Last Answer : D. Redistribution

The sodium/potassium pump is primarily responsible for the: a) resting potential b) action potential c) excretion of salts d) contraction of muscle fibers

Description : The sodium/potassium pump is primarily responsible for the: a) resting potential b) action potential c) excretion of salts d) contraction of muscle fibers

Last Answer : ANSWER: A -- RESTING POTENTIAL

Retention of sodium in the body leads to a retention of (A) Potassium (B) Water (C) Potassium and water (D) Neither potassium nor water

Description : Retention of sodium in the body leads to a retention of (A) Potassium (B) Water (C) Potassium and water (D) Neither potassium nor water

Last Answer : Answer : B

In Addison’s disease, there is excessive retention of (A) Potassium (B) Sodium (C) Chloride (D) Water

Description : In Addison’s disease, there is excessive retention of (A) Potassium (B) Sodium (C) Chloride (D) Water

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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 hormone (ACTH) is secreted from the anterior pituitary gland b. ACTH stimulation results in elevation of serum cortisol levels for up to a week after the operation c. An increased secretion of aldosterone and ADH may contribute to postoperative fluid retention d. An increase in serum insulin and a fall in glucagon accelerate hepatic glucose production and maintain gluconeogenesis

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

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Visualization in the instructional process cannot increase (a) Interest and motivation (b) Retention and adaptation (c) Stress and boredom (d) Curiosity and concentration

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You can increase the retention of a Maryland bridge by: A. Incorporating mesh work in wax pattern B. Perforation techniques in the metal cast

Description : You can increase the retention of a Maryland bridge by: A. Incorporating mesh work in wax pattern B. Perforation techniques in the metal cast

Last Answer : A. Incorporating mesh work in wax pattern

The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. the inter occlusal distance will be physiologically acceptable after treatment B. there will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. at least two third of the original alveolar process will remain for adequate periodontal support D. the aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Description : The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. the inter occlusal distance will be physiologically ... the aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Last Answer : A. the inter occlusal distance will be physiologically acceptable after treatment

Why do you polish the teeth before seating of a partial denture: A. To smooth the rough surface B. To minimise the retention of plaque C. To increase the adoptability of occlusal rests

Description : Why do you polish the teeth before seating of a partial denture: A. To smooth the rough surface B. To minimise the retention of plaque C. To increase the adoptability of occlusal rests

Last Answer : B. To minimise the retention of plaque

The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. The inter occlusal distance will be physiologically acceptable after treatment B. There will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. At least two third of the original alveolar process will remain for adequate periodontal support D. The aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Description : The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. The inter occlusal distance will be physiologically ... . The aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Last Answer : A. The inter occlusal distance will be physiologically acceptable after treatment

Respiratory acidosis results from (A) Retention of carbon dioxide (B) Excessive elimination of carbon dioxide (C) Retention of bicarbonate (D) Excessive elimination of bicarbonate

Description : Respiratory acidosis results from (A) Retention of carbon dioxide (B) Excessive elimination of carbon dioxide (C) Retention of bicarbonate (D) Excessive elimination of bicarbonate

Last Answer : Answer : A

The most potent hormone concerned with the retention of sodium in the body is (A) Cortisone (B) Aldosterone (C) Corticosterone (D) Cortisol

Description : The most potent hormone concerned with the retention of sodium in the body is (A) Cortisone (B) Aldosterone (C) Corticosterone (D) Cortisol

Last Answer : Answer : B

The biochemical mechanism of action of digitalis is associated with (a) A decrease in calcium uptake by the sarcoplasmic reticulum (b) An increase in ATP synthesis (c) A modification of the actin molecule (d) An increase in systolic intracellular calcium levels (e) A block of sodium/calcium exchange

Description : The biochemical mechanism of action of digitalis is associated with (a) A decrease in calcium uptake by the sarcoplasmic reticulum (b) An increase in ATP synthesis (c) A modification of the actin molecule (d) An increase in systolic intracellular calcium levels (e) A block of sodium/calcium exchange

Last Answer : Ans: D

Addition of pozzolana to ordinary port land cement, causes (A) Decrease in early strength (B) Reduction in chemical action with sulphates (C) Increase in shrinkage (D) All the above

Description : Addition of pozzolana to ordinary port land cement, causes (A) Decrease in early strength (B) Reduction in chemical action with sulphates (C) Increase in shrinkage (D) All the above

Last Answer : Answer: Option D

The most important reason for the thiazides being only moderately efficacious diuretics is: A. About 9/10th of glomerular filtrate is reabsorbed proximal to their site of action B. Compensatory increase in reabsorption at sites not affected by these drugs C. They decrease glomerular filtration D. They have relatively flat dose response curve

Description : The most important reason for the thiazides being only moderately efficacious diuretics is: A. About 9/10th of glomerular filtrate is reabsorbed proximal to their site of action B. Compensatory ... these drugs C. They decrease glomerular filtration D. They have relatively flat dose response curve

Last Answer : A. About 9/10th of glomerular filtrate is reabsorbed proximal to their site of action

The electrophysiological effects of digitalis on Purkinje fibres include the following except: A. Enhancement of resting membrane potential B. Decrease in the slope of phase-0 depolarization C. Increase in the rate of phase-4 depolarization D. Abbreviation of action potential duration

Description : The electrophysiological effects of digitalis on Purkinje fibres include the following except: A. Enhancement of resting membrane potential B. Decrease in the slope of phase-0 depolarization C. Increase in the rate of phase-4 depolarization D. Abbreviation of action potential duration

Last Answer : A. Enhancement of resting membrane potential

Morphine induced constipation involves the following mechanisms except: A. Increase in tone and decrease in propulsive activity of intestinal muscles B. Antivagal action C. Spasm of gastrointestinal sphincters D. Reduction of gastrointestinal secretions

Description : Morphine induced constipation involves the following mechanisms except: A. Increase in tone and decrease in propulsive activity of intestinal muscles B. Antivagal action C. Spasm of gastrointestinal sphincters D. Reduction of gastrointestinal secretions

Last Answer : B. Antivagal action

Vasopressin (ADH) (A) Enhance facultative reabsorption of water (B) Decreases reabsorption of water (C) Increases excretion of calcium (D) Decreases excretion of calcium

Description : Vasopressin (ADH) (A) Enhance facultative reabsorption of water (B) Decreases reabsorption of water (C) Increases excretion of calcium (D) Decreases excretion of calcium

Last Answer : Answer : A

The presence of a non competitive inhibitor (A) Leads to both an increase in the Vmax of a reaction and an increase in Km (B) Leads to a decrease in the observed Vmax (C) Leads to a decrease in Km and Vmax (D) Leads to an increase in Km without affecting Vmax

Description : The presence of a non competitive inhibitor (A) Leads to both an increase in the Vmax of a reaction and an increase in Km (B) Leads to a decrease in the observed Vmax (C) Leads to a decrease in Km and Vmax (D) Leads to an increase in Km without affecting Vmax

Last Answer : Answer : B

What medication is used to increase urine excretion?

Description : What medication is used to increase urine excretion?

Last Answer : diuretic

During compensation of respiratory alkalosis, all the following changes occur except (A) Decreased secretion of hydrogen ions by renal tubules (B) Increased excretion of sodium in urine (C) Increased excretion of bicarbonate in urine (D) Increased excretion of ammonia in urine

Description : During compensation of respiratory alkalosis, all the following changes occur except (A) Decreased secretion of hydrogen ions by renal tubules (B) Increased excretion of sodium in urine (C) Increased excretion of bicarbonate in urine (D) Increased excretion of ammonia in urine

Last Answer : Answer : D

The probable metabolic defect in gents is (A) A defect in excretion of uric acid by kidney (B) An overproduction of pyrimidines (C) An overproduction of uric acid (D) Rise in calcium leading to deposition of calcium urate

Description : The probable metabolic defect in gents is (A) A defect in excretion of uric acid by kidney (B) An overproduction of pyrimidines (C) An overproduction of uric acid (D) Rise in calcium leading to deposition of calcium urate

Last Answer : Answer : C

Increased urinary excretion of orotic acid can occur in deficiency of (A) Orotate phosphoribosyl transferase (B) OMP decarboxylase (C) Mitochondrial ornithine transcarbamoylase (D) Any of the above

Description : Increased urinary excretion of orotic acid can occur in deficiency of (A) Orotate phosphoribosyl transferase (B) OMP decarboxylase (C) Mitochondrial ornithine transcarbamoylase (D) Any of the above

Last Answer : Answer : D