Description : Para-amino hippurate excretion test is an indicator of (A) Glomerular filtration (B) Tubular secretion (C) Tubular reabsorption (D) Renal plasma flow
Last Answer : Answer : D
Description : Phenolsulphonephthalein excretion test is an indicator of (A) Glomerular filtration (B) Tubular secretion (C) Tubular reabsorption (D) Renal blood low
Description : Inulin clearance is a measure of (A) Glomerular filtration rate (B) Tubular secretion flow (C) Tubular reabsorption rate (D) Renal plasma flow
Last Answer : Answer : B
Description : If a drug undergoes net tubular secretion, its renal clearance will be: A. More than the glomerular filtration rate B. Equal to the glomerular filtration rate C. Less than the glomerular filtration rate D. Equal to the rate of urine formation
Last Answer : A. More than the glomerular filtration rate
Description : Renal glycosuria occurs due to (A) Increased filtration of glucose in glomeruli (B) Increased secretion of glucose by renal tubular cells (C) Decreased reabsorption of glucose by renal tubular cells (D) Increased conversion of glycogen into glucose in tubular cells
Description : The most important channel of elimination of digoxin is: A. Glomerular filtration B. Tubular secretion C. Hepatic metabolism D. Excretion in bile
Last Answer : A. Glomerular filtration
Description : Interindividual variations in equieffective doses of a drug are most marked if it is disposed by: A. Glomerular filtration B. Tubular secretion C. Both glomerular filtration and tubular secretion D. Hepatic metabolism
Last Answer : D. Hepatic metabolism
Description : Glomerular filtration of a drug is affected by its: A. Lipid solubility B. Plasma protein binding C. Degree of ionization D. Rate of tubular secretion
Last Answer : B. Plasma protein binding
Description : Urea clearance test is used to determine the (A) Glomerular filtration rate (B) Renal plasma flow (C) Ability of kidney to concentrate the urine (D) Measurement of tubular mass
Last Answer : Answer : A
Description : Which of the following factors is responsible for the formation of concentrated urine? (a) Hydrostatic pressure during glomerular filtration. (b) Low levels of antidiuretic hormone. (c) ... the medullary interstitium in the kidneys. (d) Secretion of erythropoietin by Juxtaglomerular complex.
Last Answer : (c) Maintaining hyperosmolarity towards the medullary interstitium in the kidneys.
Description : Which one of the following correctly explains the function of a specific part of the human nephron? (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the ... blood capillaries (d) Afferent arteriole : carries the blood away from the glomerulus towards renal vein.
Last Answer : (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the Bowman’s capsule
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
Description : The Tm for PAH i.e the maximal secretory capacity of the tubule for PAH can be used to gavge the (A) Extent of tubular damage FATS AND FATTY ACID METABOLISM 81 (B) Impairment of the capacity of the tubule to perform osmotic work (C) Impairment of renal plasma flow (D) Glomerular filtration rate
Description : Creatinine EDTA clearance is a test to measure (A) Renal plasma flow (B) Filtration fraction (C) Glomerular filtration rate (D) Tubular function
Last Answer : Answer : C
Description : Measurement of insulin clearance test is a measure of (A) Glomerular filtration rate (B) Filtration factor (C) Renal plasma flow (D) Tubular secretory mass
Description : The plasma half life of pencillin-G is longer in the new born because their (a) Plasma protein level is low (b) Drug metabolizing enzymes are immature (c) Glomerular filtration rate is low (d) Tubular transport mechanisms are not well developed
Last Answer : Ans: D
Description : The pharmacokinetics of drugs in the neonate differs from that in adults, because their: A. Intestinal transit is fast B. Drug metabolizing enzymes are overactive C. Tubular transport mechanisms are not well developed D. Glomerular filtration rate is high
Last Answer : C. Tubular transport mechanisms are not well developed
Description : The plasma half life of penicillin-G is longer in the new born because their: A. Plasma protein level is low B. Drug metabolizing enzymes are immature C. Glomerular filtration rate is low D. Tubular transport mechanisms are not well developed
Last Answer : D. Tubular transport mechanisms are not well developed
Description : An important finding in glycinuria is (A) Excess excretion of oxalate in the urine (B) Deficiency of enzyme glycinase (C) Significantly increased serum glycine level (D) Defect in renal tubular reabsorption of glycine
Description : Thiazide diuretics enhance K+ elimination in urine primarily by: A. Inhibiting proximal tubular K+ reabsorption B. Inhibiting Na+ K+-2Cl- cotransport in the ascending limb of loop of Henle C ... in the distal tubular fluid to exchange with interstitial K+ D. Potentiating the action of aldosterone
Last Answer : C. Increasing the availability of Na+ in the distal tubular fluid to exchange with interstitial K
Description : Measurement of inulin renal clearance is a measure for (A) Effective renal blood flow (B) Renal drug excretion rate (C) Active renal secretion (D) Glomerular filtration rate
Last Answer : (D) Glomerular filtration rate
Description : When the nurse notes that the post cardiac surgery patient demonstrates low urine output (< 25 ml/hr) with high specific gravity (> 1.025), the nurse suspects: a) Inadequate fluid volume Urine ... by high urine output with low specific gravity. d) Anuria The anuric patient does not produce urine.
Last Answer : a) Inadequate fluid volume Urine output of less than 25 ml/hr may indicate a decrease in cardiac output. A high specific gravity indicates increased concentration of solutes in the urine which occurs with inadequate fluid volume.
Description : The primary mechanism by which antidiuretic hormone reduces urine volume is: A. Decrease in glomerular filtration rate B. Decreased renal blood flow C. Decreased water permeability of descending limb of loop of Henle D. Increased water permeability of collecting duct cells
Last Answer : D. Increased water permeability of collecting duct cells
Description : ADH resposible for the reabsorption of water and reduction of urine secretion is synthesized by
Last Answer : ADH resposible for the reabsorption of water and reduction of urine secretion is synthesized by ... C. Anterior ptiuitary gland D. Hypothalamus
Description : Which regulates reabsorption of salts from Glomerular filtrate ?
Last Answer : Which regulates reabsorption of salts from Glomerular filtrate ? A. Oxytocin B. Vassopressin C. Glucocorticoides D. Mineralo corticoides
Description : Reabsorption of chloride ions from glomerular filtrate in kidney tubule occurs by
Last Answer : Reabsorption of chloride ions from glomerular filtrate in kidney tubule occurs by A. Active transport B. Diffusion C. Osmosis D. Brownian movement
Description : The hormone that promotes reabsorption of water from glomerular filtrate is
Last Answer : The hormone that promotes reabsorption of water from glomerular filtrate is A. Oxytocin B. Vasopression C. Relaxin D. Calcitonin
Description : Reabsorption of useful substances from glomerular filtrate occurs in
Last Answer : Reabsorption of useful substances from glomerular filtrate occurs in A. Collecting duct B. ... Proximal convoluted tubule D. Distal convoluted tuble
Description : The reabsorption of glucose from the glomerular filtrate is due to
Last Answer : The reabsorption of glucose from the glomerular filtrate is due to A. High osmotic pressure of ... exerted on the fluids in the loops of Henle
Last Answer : Which regulates reabsorption of salts from Glomerular filtrate ? A. Oxytocin B. Vasopressin C. Glucocorticoides D. Mineralo corticoides
Last Answer : The hormone that promotes reabsorption of water from glomerular filtrate is A. Oxytocin B. Vasopressin C. Relaxin D. Calcitonin
Last Answer : Reabsorption of useful substances from glomerular filtrate occurs in A. Collecting tube B. ... Proximal convoluted tubule D. Distal convoluted tubule
Description : Reabsorption of glucose from glomerular filtrate occurs in
Last Answer : Reabsorption of glucose from glomerular filtrate occurs in A. Collecting tube B. Loop of ... Proximal convoluted tubule D. Distal convoluted tubule
Description : ADH or vasopressin is (a) enzyme that hydrolyses peptides (b) hormone secreted by pituitary that promotes reabsorption of water from glomerular filtrate (c) hormone that promotes glycogenolysis (d) energy rich compound connected with muscle contraction.
Last Answer : (b) hormone secreted by pituitary that promotes reabsorption of water from glomerular filtrate
Description : Reabsorption of useful substances from glomerular filtrate occurs in (a) collecting tube (b) loop of Henle (c) proximal convoluted tubule (d) distal convoluted tubule.
Last Answer : (c) proximal convoluted tubule
Description : Obligatory reabsorption of water (A) Is about 50% of the total tubular reabsorption of water (B) Is increased by antidiuretic hormone (C) Occurs in distal convoluted tubules (D) Is secondary to reabsorption of solutes
Description : Renal ricket is caused by renal tubular defect (usually inherited) which interferes with reabsorption of (A) Calcium (B) Phosphorous (C) Sodium (D) Chloride
Description : Mineralocorticoids increase the tubular reabsorption of (A) Sodium and calcium (B) Sodium and potassium (C) Sodium and chloride (D) Potassium and chloride 224 MCQs IN BIOCHEMISTRY
Description : Insulin decreases (A) Glycogenesis (B) Glyolysis (C) Gluconeogenesis (D) Tubular reabsorption of glucose
Description : PTH causes all of the following except (A) Increased intestinal absorption of calcium (B) Increased intestinal absorption of phosphate (C) Increased tubular reabsorption of calcium (D) Increased tubular reabsorption of phosphate
Description : The most important effect of aldosterone is to (A) Increase the rate of tubular reabsorption of sodium (B) Decrease the rate of tubular reabsorption of potassium (C) Decrease the reabsorption of chloride (D) Decrease the renal reabsorption of sodium
Description : An inherited or acquired renal tubular defect in the reabsorption of phosphate (Vit D resistant ricket) is characterized with (A) Normal serum Phosphate (B) High serum phosphate (C ... blood phosphorous with elevated alkaline Phosphate (D) A high blood phosphorous with decreased alkaline phosphatase
Description : Phlorizin inhibits (A) Renal tubular reabsorption of glucose (B) Glycolysis (C) Gluconeogenesis (D) Glycogenolysis
Description : Tubular reabsorption of calcium is increased by (A) Cholecalciferol (B) 25-Hydroxycholecalciferol (C) Calcitriol (D) All of these
Description : Assertion `:-` Tubular is of considerable importance in Marine teleost fishes. Reason `:-` These fishes have no glomerular kidney .
Last Answer : Assertion `:-` Tubular is of considerable importance in Marine teleost fishes. Reason `:-` These fishes ... D. If both Assertion & Reason are false.