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
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
Last Answer : Answer : D
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
Description : Parathyroid hormone: a. is a peptide hormone b. is released in response to hypocalcaemia c. increases phosphate reabsorption in the kidneys d. increases calcium excretion in the kidneys
Last Answer : is released in response to hypocalcaemia
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 : The following are true about the antidiuretic hormone: a. it is produced by the anterior pituitary gland b. it reduces the cardiac output c. it increases the renal absorption of sodium d. it decreases the release of ACTH
Last Answer : it increases the renal absorption of sodium
Description : Which statement is NOT correct about PTH? A) When calcium level rises, PTH secretion is inhibited. B) When calcium level lowers, PTH secretion is stimulated. C) PTH has the opposite effect of ... . D) PTH stimulates calcium absorption from the gut. E) PTH decreases the activity of osteoclasts.
Last Answer : E) PTH decreases the activity of osteoclasts.
Description : Clavulanic acid is combined with amoxicillin because (a) It kills bacteria that are not killed by-moxicillin (b) It reduces renal clearance of amoxicillin (c) It counteracts the adverse effects of amoxicillin (d) It inhibits beta lactamases that destroy amoxicillin
Last Answer : Ans: D
Description : The hormone that increases the blood calcium level and decreases its excretion by kidneys is :
Last Answer : The hormone that increases the blood calcium level and decreases its excretion by kidneys is : A. insulin B. thyroxine C. calcitonin D. parathormone
Description : Serum biochemistry of a 60 year old man revealed calcium of 1.98 mmol/l and phosphate of 0.55 mmol/l with an alkaline phosphatase of 450 IU/l.Which among the following mosts suits ... biochemistry? 1) Osteoporosis 2) Osteomalacia 3) Pagets Disease 4) Secondary Hyperparathyroidism 5) Renal failure
Last Answer : Answers-2 Osteomalacia is associated with low calcium and phosphate with raised alkaline phosphatase. Serum biochemistry is normal in osteoporosis. Pagets disease is associated with normal ... renal failure when tertiary hyperparathyroidism sets in there is low calcium with raised phosphate.
Description : Thiazide diuretics and furosemide have directionally opposite effect on the net renal excretion of the following substance: A. Uric acid B. Calcium C. Magnesium D. Bicarbonate
Last Answer : B. Calcium
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
Description : The following are true about erythromycin: a. it can be used to treat chlamydial infection effectively b. it decreases the renal excretion of cyclosporin c. it causes cholestasis d. all above
Last Answer : all above
Description : A high concentration of PTH in blood causes (A) Increase in plasma calcium and inorganic phosphorous (B) Decrease in plasma calcium and inorganic phosphorous (C) Increase in plasma calcium ... in plasma inorganic phosphorous (D) Decrease in plasma calcium and increase in plasma inorganic phosphorous
Last Answer : Answer : C
Description : Secretion of PTH is regulated by (A) Hypothalamus (B) Anterior pituitary (C) Feedback effect of plasma PTH (D) Feedback effect of plasma calcium
Description : Aldosterone increases Na+ reabsorption and K+ excretion in the renal collecting duct cells by: A. Inducing synthesis of Na+K+ATPase B. Inducing synthesis of amiloride sensitive Na+ channels C. Translocating Na+ channels from cytosolic site to luminal membrane D. All of the above
Last Answer : D. All of the above
Description : Among the following, a test of Glomerular function is (A) Urea clearance (B) PSP excretion test (C) PAH clearance (D) Hippuric acid excretion test
Description : Filtration fraction can be calculated from (A) Standard urea clearance and PSP excretion (B) Maximum urea clearance and PSP excretion (C) Maximum urea clearance and PAH clearance (D) Inulin clearance and PAH clearance
Description : Among the following, a test of tubular function is (A) Creatinine clearance (B) Inulin clearance (C) PAH clearance (D) PSP excretion test
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
Description : Para-amino hippurate excretion test is an indicator of (A) Glomerular filtration (B) Tubular secretion (C) Tubular reabsorption (D) Renal plasma flow
Description : Phenolsulphonephthalein excretion test is an indicator of (A) Glomerular filtration (B) Tubular secretion (C) Tubular reabsorption (D) Renal blood low
Description : Excretion of phenolsulphanpthalein (PSP) reflects (A) Glomerulonephritis (B) Maximaltabular excretory capacity (C) Filtration factor (D) Renal plasma flow
Last Answer : Answer : B
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 : A 73 year old male presented with an acute attack of gout in his left knee. What is the most likely underlying metabolic cause? 1) decreased renal excretion of uric acid 2) endogenous overproduction of uric acid 3) excessive dietary purine intake 4) lactic acidosis 5) starvation
Last Answer : Answers-1 The aetiology of gout can broadly be divided into cases where there is underexcretion of urate via the kidney (90%) or endogenous overproduction of uric acid (10%) although in practical ... diuretic use. Excessive dietary intake of purines is unlikely to be the main cause in this case.
Description : Inulin clearance is a measure of (A) Glomerular filtration rate (B) Tubular secretion flow (C) Tubular reabsorption rate (D) Renal plasma flow
Description : Creatinine EDTA clearance is a test to measure (A) Renal plasma flow (B) Filtration fraction (C) Glomerular filtration rate (D) Tubular function
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 : 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
Description : Pentosuria is a rare hereditary disease is characterized by increased urinary excretion of (A) L-xylulose (B) Xylitol (C) Xylulose 5-phosphate (D) Ribose 5-phosphate
Description : Amiloride has the following effect on urinary cation excretion: A. Decreases both K+ and H+ ion excretion B. Decreases K+ excretion but increases H+ ion excretion C. Increases K+ but decreases Na+ excretion D. Decreases both Na+ and K+ excretion
Last Answer : A. Decreases both K+ and H+ ion excretion
Description : Hydrocortisone exerts the following actions: A. Increases both K+ and Ca2+ excretion B. Decreases both K+ and Ca2+ excretion C. Decreases K+ but increases Ca2+ excretion D. Increases K+ but decreases Ca2+ excretion
Last Answer : A. Increases both K+ and Ca2+ excretion
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 : Volumetric efficiency of a compressor without clearance volume A. Increases with increase in compression ratio B. Decreases wit increase in compression ratio C. Not dependent upon compression ratio D. Unpredictable
Last Answer : ANSWER : C
Description : Which one of the following statement is not correct for the volumetric efficiency of a reciprocating air compressor? A. It decreases with increase in ambient temperature B. It increases with ... It increases with decrease in clearance ratio D. It decreases with increases in delivery pressure
Last Answer : ANSWER : A
Description : Which one of the following statements are correct for reciprocating air compressor? A. Its volumetric efficiency increases with increasing clearance ratio B. Its volumetric efficiency increases ... ratio D. Its volumetric efficiency decreases with increasing clearance ratio and pressure ratio
Last Answer : ANSWER : D
Description : In a reciprocating air compressor the compressor work per kg of air A. Increases as clearance volume increases B. Decreases as clearance volume increases C. Is independent of clearance volume D. Increases with clearance volume only of multistage compressor
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
Description : The normal route of calcium excretion is (A) Kidney (B) Kidney and Liver (C) Kidney and Intestine (D) Kidney, Intestine and Pancreas
Description : Which one of the following statements in regard to the excretion by the human kidneys is correct? (a) Descending limb of loop of Henle is impermeable to water. (b) Distal convoluted tubule is ... reabsorbed by the renal tubules. (d) Ascending limb of loop of Henle is impermeable to electrolytes.
Last Answer : (c) Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules.
Description : 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
Last Answer : D. Ameliorate cystitis caused by them
Description : Clavulanic acid is combined with amoxicillin because: A. It kills bacteria that are not killed by amoxicillin B. It retards renal excretion of amoxicillin C. It counteracts the adverse effects of amoxicillin D. It inhibits beta lactamases that destroy amoxicillin
Last Answer : D. It inhibits beta lactamases that destroy amoxicillin
Description : Renal excretion of lithium is reduced by: A. Furosemide B. Hydrochlorothiazide C. Indomethacin D. All of the above
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
Last Answer : B. Renal excretion
Description : Select the β adrenergic blocker that is primarily eliminated unchanged by renal excretion: A. Propranolol B. Metoprolol C. Esmolol D. Atenolol
Last Answer : D. Atenolol
Description : Select the β adrenergic blocker that is primarily eliminated unchanged by renal excretion: A. Propranolol B. Metoprolol C. Esmolol D. Atenolol Select the β adrenergic blocker that is primarily eliminated unchanged by renal excretion: A. Propranolol B. Metoprolol C. Esmolol D. Atenolol
Description : Back-trapping in a distillation column (A) Increases tray efficiency (B) Decreases tray efficiency (C) Reduces pressure drop (D) Is desirable, as it provides improved vapour-liquid contact
Last Answer : (B) Decreases tray efficiency
Description : . In evaporators, lowering the feed temperature (A) Increases the heating area required (B) Reduces the economy (C) Both (A) and (B) (D) Decreases the heating area required
Last Answer : (C) Both (A) and (B)
Description : Increase in ash content of blast furnace coke (A) Reduces its consumption in the furnace (B) Increases its consumption in the furnace (C) Does not affect its consumption in the furnace (D) Decreases its hardness and abrasion resistance
Last Answer : (B) Increases its consumption in the furnace
Description : High sulphur content in a fuel __________ of the flue gases. (A) Decreases the dew point (B) Increases the dew point (C) Reduces the combustion efficiency by limiting the permissible temperature reduction (D) Both (B) and (C)
Last Answer : (D) Both (B) and (C)