The following occur in the proximal tubules of the nephron: a. reabsorption of all glucose b. reabsorption of most water c. secretion of bicarbonate d. active reabsorption of sodium

The following occur in the proximal tubules of the nephron:
a. reabsorption of all glucose
b. reabsorption of most water
c. secretion of bicarbonate
d. active reabsorption of sodium
by

1 Answer

Answer :

active reabsorption of sodium
by

Related questions

The part of nephron involved in active reabsorption of sodium is (a) distal convoluted tubule (b) proximal convoluted tubule (c) Bowman’s capsule (d) descending limb of Henle’s loop.

Description : The part of nephron involved in active reabsorption of sodium is (a) distal convoluted tubule (b) proximal convoluted tubule (c) Bowman’s capsule (d) descending limb of Henle’s loop.

Last Answer : (b) proximal convoluted tubule

The following are true about aldosterone: a. it is secreted by the adrenal medulla b. its secretion is stimulated by decreased blood volume c. it stimulates active reabsorption of sodium in the distal renal tubules. d. it causes increased secretion of potassium by the distal renal tubules.

Description : The following are true about aldosterone: a. it is secreted by the adrenal medulla b. its secretion is stimulated by decreased blood volume c. it stimulates active reabsorption of sodium in the distal renal tubules. d. it causes increased secretion of potassium by the distal renal tubules.

Last Answer : it causes increased secretion of potassium by the distal renal tubules.

Furosemide inhibits reabsorption of sodium and chloride in (A) Proximal convoluted tubules (B) Loop of Henle (C) Distal convoluted tubules (D) Collecting ducts

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Last Answer : Answer : B

Aldosterone increases reabsorption of sodium in (A) Proximal convoluted tubules (B) Ascending limb of loop of Henle (C) Descending limb of loop of Henle (D) Distal convoluted tubules

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Last Answer : Answer : D

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

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Proximal and distal convoluted tubules are parts of (a) seminiferous tubules (b) nephron (c) oviduct (d) vas deferens

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Thiazide diuretics inhibit (A) Carbonic anhydrase (B) Aldosterone secretion (C) ADH secretion (D) Sodium reabsorption in distal tubules

Description : Thiazide diuretics inhibit (A) Carbonic anhydrase (B) Aldosterone secretion (C) ADH secretion (D) Sodium reabsorption in distal tubules

Last Answer : Answer : D

Match the source gland with its respective hormone and function and select the correct option. Source Hormone Function gland (a) Anterior Oxytocin Contraction of uterus pituitary muscles during child birth (b) Posterior Vasopressin Stimulates pituitary reabsorption of water in the distal tubules in the nephron (c) Corpus Estrogen Supports pregnancy luteum (d) Thyroid Thyroxine Regulates blood calcium level

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Antidiuretic hormone: a. decreases the osmolarity of urine b. decreases the volume of urine c. increases the reabsorption of water in the proximal tubules d. is synthesized in the posterior pituitary gland

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Last Answer : decreases the volume of urine

Which part of the nephron in human kidney, serves the function of reabsorption of certain substances? (a) Glomerulus (b) Bowmans Capsule (c) Tubules (d) collecting duct

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True statements about aldosterone include: a. secretion is mainly under the control of adrenocorticotrophic (ACTH) hormone secretion b. increases hepatic gluconeogenesis c. its secretion is stimulated by angiotensin d. in the kidney, mainly acts on the proximal convoluted tubules

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Inhibition of carbonic anhydrase results in (a) Abolition of NaHCO3 reabsorption in proximal tubule (b) Enhanced of NaHCO3 reabsorption in proximal tubule (c) Enhanced NAHCO3 secretion in distal tubule (d) None of the above

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Last Answer : Ans: A

Antidiuretic hormone (A) Is secreted by hypothalamus (B) Secretion is increased when osmolality of plasma decreases (C) Increases obligatory reabsorption of water (D) Acts on distal convoluted tubules and collecting ducts

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Last Answer : Answer : D

Antidiuretic hormone (ADH) - (1) inhibits the secretion of growth hormone by the pituitary (2) inhibits the rate of heart beat (3) causes the muscular walls of the arterioles to contract that simulates the reabsorption of water from the kidney tubules (4) causes an increase in the blood pressure

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Which of the following would help in prevention of diuresis? (a) More water reabsorption due to undersecretion of ADH. (b) Reabsorption of Na+ and water from renal tubules due to aldosterone. (c) Atrial natriuretic factor causes vasoconstriction. (d) Decrease in secretion of renin by JG cells. (NEE

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In a normal nephron: a. the descending loop of Henle is impermeable to water b. anti-diuretic hormone (ADH) increases the permeability of collecting ducts to water c. all the filtered glucose is re-absorbed in the proximal tubule d. nearly all the filtered protein is reabsorbed in the proximal convoluted tubule

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In mammals, the primary function of the loop of Henle is: a) reabsorption of water b) water secretion c) ammonia secretion d) bicarbonate reabsorption

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Reabsorption of useful substances back into the blood from the filtrate in a nephron occurs in or In which part of kidney, Glucose and amino acids are

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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

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The maximum amount of electrolytes and water (70 – 80 percent) from the glomerular filtrate is reabsorbed in which part of the nephron? (a) Ascending limb of loop of Henle (b) Distal convoluted tubule (c) Proximal convoluted tubule (d) Descending limb of loop of Henle

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Removal of proximal convoluted tubule from the nephron will be result in

Description : Removal of proximal convoluted tubule from the nephron will be result in

Last Answer : Removal of proximal convoluted tubule from the nephron will be result in A. More concentrated urine B. ... C. No urine formation D. More diluted urine

Removal of proximal convoluted tubule from the nephron will be result in

Description : Removal of proximal convoluted tubule from the nephron will be result in

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Brush border is characteristic of (a) neck of nephron (b) collecting tube (c) proximal convoluted tubule (d) all of these.

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Removal of proximal convoluted tubule from the nephron will result in (a) no change in quality and quantity of urine (b) no urine formation (c) more diluted urine (d) more concentrated urine.

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Cuboidal epithelium with brush border of microvilli is found in (a) lining of intestine (b) ducts of salivary glands (c) proximal convoluted tubule of nephron (d) Eustachian tube

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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 Bowman’s capsule (b) Henle’s loop : most reabsorption of the major substances from the glomerular filtrate (c) Distal convoluted tubule : reabsorption of K+ ions into the surrounding blood capillaries (d) Afferent arteriole : carries the blood away from the glomerulus towards renal vein.

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What structure is between the proximal and distal convoluted tubules?

Description : What structure is between the proximal and distal convoluted tubules?

Last Answer : Need answer

Bowman’s glands are located in the (a) anterior pituitary (b) female reproductive system of cockroach (c) olfactory epithelium of our nose (d) proximal end of uriniferous tubules.

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he dominant pharmacokinetic feature of penicillin G is: A. It is equally distributed extra- and intracellularly B. It is rapidly secreted by proximal renal tubules C. It has low oral bioavailability due to high first pass metabolism in liver D. It does not cross blood–CSF barrier even when meninges are inflamed

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Assertion `:-` Proximal convoluted tubule is lined by brush-bordered cuboidal epithelium. Reason `:-` PCT is main site of selective reabsorption of us

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Last Answer : Assertion `:-` Proximal convoluted tubule is lined by brush-bordered cuboidal epithelium. Reason `:-` ... D. If both Assertion & Reason are false.

Reabsorption of useful substances from glomerular filtrate occurs in (a) collecting tube (b) loop of Henle (c) proximal convoluted tubule (d) distal convoluted tubule.

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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

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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. Increasing the availability of Na+ in the distal tubular fluid to exchange with interstitial K+ D. Potentiating the action of aldosterone

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Mineralocorticoids increase the tubular secretion of (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate

Description : Mineralocorticoids increase the tubular secretion of (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate

Last Answer : Answer : B

Choose the antiulcer drug that inhibits gastric acid secretion, stimulates gastric mucus and bicarbonate secretion and has cytoprotective action on gastric mucosa: A. Misoprostol B. Sucralfate C. Carbenoxolone sodium D. Colloidal bismuth subcitrate

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Assertion `:-` Nearly 99 percent of the filtrate has to be reabsorbed by the renal tubules. Reason `:-` Glucose is reabsorbed by active mechanism is P

Description : Assertion `:-` Nearly 99 percent of the filtrate has to be reabsorbed by the renal tubules. Reason `:-` Glucose is reabsorbed by active mechanism is P

Last Answer : Assertion `:-` Nearly 99 percent of the filtrate has to be reabsorbed by the renal tubules. Reason ` ... . D. If both Assertion & Reason are false.

Water reabsorption in the distal parts of kidney tubules is regulated by

Description : Water reabsorption in the distal parts of kidney tubules is regulated by

Last Answer : Water reabsorption in the distal parts of kidney tubules is regulated by A. STH B. TSH C. ADH D. MSH

Water reabsorption in the distal parts of kidney tubules is regulated by

Description : Water reabsorption in the distal parts of kidney tubules is regulated by

Last Answer : Water reabsorption in the distal parts of kidney tubules is regulated by A. STH B. TSH C. ADH D. MSH

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 : 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

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Aldosterone enhances Na+ reabsorption in renal tubules by: A. Stimulating carbonic anhydrase B. Activating Na+ K+ ATPase C. Inducing the synthesis of Na+ K+ ATPase D. Inducing renal prostaglandin synthesis

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06. A hydrophilic medicinal agent has the following property: a) Low ability to penetrate through the cell membrane lipids b) Penetrate through membranes by means of endocytosis c) Easy permeation through the blood-brain barrier d) High reabsorption in renal tubules

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All the following statements about renal tubular acidosis are correct except (A) Renal tubules may be unable to reabsorb bicarbonate (B) Renal tubules may be unable to secrete hydrogen ions (C) Plasma chloride is elevated (D) Anion gap is decreased

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The following diuretic acts on the luminal membrane of distal tubule and collecting ducts to inhibit electrogenic Na+ reabsorption so that K+ excretion is diminished and bicarbonate excretion is enhanced: A. Xipamide B. Isosorbide C. Triamterene D. Spironolactone

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Last Answer : C. Triamterene

The success of oral rehydration therapy of diarrhoea depends upon the following process in the intestinal mucosa: A. Sodium pump mediated Na+ absorption B. Glucose coupled Na+ absorption C. Bicarbonate coupled Na+ absorption D. Passive Na+ diffusion secondary to nutrient absorption

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Last Answer : B. Glucose coupled Na+ absorption

The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function? (A) (B) (C) (D) Tissue Location Function (a) (B) Glandular Intestine Secretion epithelium (b) (C) Collagen Cartilage Attach skeletal fibres muscles to bones(c) (D) Smooth Heart Heart muscle contraction tissue (d) (A) Columnar Nephron Secretion epithelium and absorption

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Assertion `:-` Conditional reabsorption of `Na^(o+)` and water takes place in DCT. Reason `:-` DCT is also capacble of selective secretion of hydrogen

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ADH resposible for the reabsorption of water and reduction of urine secretion is synthesized by

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

Increased reabsorption of water from the kidney is the major consequence of the secretion of the hormone? (A) Cortisol (B) Insulin (C) Vasopressin (D) Aldosterone

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Nonsteroidal antiinflammatory drugs reduce the diuretic action of furosemide by: A. Preventing prostaglandin mediated intrarenal haemodynamic actions B. Blocking the action in ascending limb of loop of Henle. C. Enhancing salt and water reabsorption in distal tubule D. Increasing aldosterone secretion

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Last Answer : A. Preventing prostaglandin mediated intrarenal haemodynamic actions

Hypolipidemic drugs reduce serum cholesterol and triacylglycerol. The effect of clofibrate is attributed to (A) Block in absorption from G.I.T. (B) Decrease in secretion of triacylglycerol and cholesterol containing VLDL by liver (C) Block in the reabsorption of bile acids (D) Decreased synthesis of cholesterol

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Last Answer : Answer : B