Assertion `:-` Angiotensin II, activates the adrenall cortex to release aldosterone. Reason `:-` Aldosterone causes reabsorption of `Na^(o+)` and wate

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Assertion `:-` Angiotensin II, activates the adrenall cortex to release aldosterone. Reason `:-` ... D. If both Assertion & Reason are false.

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Description : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of `Na^(+)` and water from distal parts of the

Last Answer : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of ... D. If both Assertion & Reason are false.

Description : Angiotensin III is equipotent to angiotensin II in: A. Releasing aldosterone from adrenal cortex B. Promoting Na+ and water reabsorption by direct intrarenal action C. Causing vasoconstriction D. Contracting intestinal smooth muscle

Last Answer : A. Releasing aldosterone from adrenal cortex

Description : Bradykinin and angiotensin II have the following feature common to both: A. They both cause fall in BP B. They both are degraded by Kininase II C. Their precursor proteins are plasma α2 globulins D. They both release aldosterone from adrenal cortex

Last Answer : C. Their precursor proteins are plasma α2 globulins

Description : A fall in glomerular filtration rate (GFR) activates (a) juxtaglomerular cells to release renin (b) adrenal cortex to release aldosterone (c) adrenal medulla to release adrenaline (d) posterior pituitary to release vasopressin.

Last Answer : (a) juxtaglomerular cells to release renin

Description : 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 ... Atrial natriuretic factor causes vasoconstriction. (d) Decrease in secretion of renin by JG cells. (NEE

Last Answer : (b) Reabsorption of Na+ and water from renal tubules due to aldosterone.

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

Last Answer : Assertion `:-` Conditional reabsorption of `Na^(o+)` and water takes place in DCT. Reason `:-` ... False. D. If both Assertion & Reason are false.

Description : Aldosterone release is stimulated by (A) α2-Globulin (B) Renin (C) Angiotensin II (D) Growth hormone

Last Answer : Answer : C

Description : Actions of angiotensin II include: a. increases the release of aldosterone b. reduces renin release from the kidney c. vasodilatation d. promotes microalbuminuria

Last Answer : promotes microalbuminuria

Description : Aliskiren acts by (A) inhibiting the conversion of Angiotensin I to II (B) inhibiting the release of rennin (C) inhibiting the binding of Angiotensin II to the receptor (D) inhibiting the action of aldosterone

Last Answer : (B) inhibiting the release of rennin

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 : 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 : 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

Last Answer : C. Inducing the synthesis of Na+ K+ ATPase

Description : Methyl dopa decreases blood pressure by (A) Inhibiting the synthesis of catecholamines (B) Antagonising the action of aldosterone (C) Stimulating the release of renin (D) Inhibiting the breakdown of angiotensin

Last Answer : Answer : A

Description : Aldosterone release is stimulated by (a) Angiotensin I (b) Angiotensin (c) Angiotensin III (d) Both (b) and (c)

Last Answer : Ans: D

Description : Assertion `:-` An increase in glomerular blood pressure can activate the JG of kidney to release renin. Reason `:-` Angiotensin I is a powerful vaso c

Last Answer : Assertion `:-` An increase in glomerular blood pressure can activate the JG of kidney to release renin. ... . D. If both Assertion & Reason are false.

Description : Aldosterone secretion is controlled by: a. plasma sodium concentration b. plasma calcium concentration c. plasma potassium concentration d. angiotensin II

Last Answer : angiotensin II

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.

Description : Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule? (a) Increase in aldosterone levels (b) Increase in antidiuretic hormone levels (c) Decrease in aldosterone levels (d) Decrease in antidiuretic hormone levels

Last Answer : (a) Increase in aldosterone levels

Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? ... brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.

Last Answer : (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.

Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1 ... across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain

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Description : All the following statements about angiotensin are true except (A) Its precursor is an α2-globulin (B) Its active form is an octapeptide (C) It is a vasodilator (D) It increases the secretion of aldosterone

Last Answer : Answer : C

Description : 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

Last Answer : its secretion is stimulated by angiotensin

Description : Fight-or-flight reactions cause activation of (a) the parathyroid glands, leading to increased metabolic rate (b) the kidney, leading to suppression of renin- angiotensin-aldosterone pathway (c) ... epinephrine and norepinephrine (d) the pancreas leading to a reduction in the blood sugar levels.

Last Answer : (c) the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine

Description : Aldosterone stimulates the reabsorption of

Last Answer : Aldosterone stimulates the reabsorption of A. Keto acids B. Glucose C. `K^(+)` ions D. `Na^(+)` ions

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

Last Answer : Answer : D

Description : Increased reabsorption of water from the kidney is the major consequence of which of the following hormones? (A) Cortisol (B) Insulin (C) Vasopressin (D) Aldosterone

Last Answer : Answer : C

Description : 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

Last Answer : Answer : C

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

Last Answer : Answer : A

Description : 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

Last Answer : Answer : D

Description : Aldosterone: a. increases mRNA synthesis b. deficiency results in hypotension c. increases sodium reabsorption from sweat d. all above

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Description : 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 ... C. Enhancing salt and water reabsorption in distal tubule D. Increasing aldosterone secretion

Last Answer : A. Preventing prostaglandin mediated intrarenal haemodynamic actions

Description : Assertion `:-` Feedback mechanism for regulartion of kidney involve hypothalamus & JGA. Reason `:-` ANF mechanism check renin-angiotensin mechanism.

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Description : Which one of the following statements is correct with respect to kidney function regulation? (a) When someone drinks lot of water, ADH release is suppressed. (b) Exposure to cold temperature ... During summer when body loses lot of water by evaporation, the release of ADH is suppressed.

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Description : The following are true about the hormones secreted by the adrenal cortex: a. zona fasciculata secretes cortisol b. zona glomerulosa secretes aldosterone c. secretion of aldosterone is stimulated by ACTH d. all

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Description : Assertion : Adrenal gland have dual origin. Reason : The aderenal cortex develops from endoderm while adrenal medulla develops from mesoderm.

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Last Answer : Assertion : Adrenal cortex is called the gland for "fight, fright, and flight." Reason : The hormones ... . D. If both Assertion and Reason are false.

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Description : Reabsorption of `Na^(+)` is controlled by

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Description : Wate are good recipes for high blood pressure food that do not need salt?

Last Answer : If you have high blood pressure you can still eat some foods with salt in them, you just have to lower the amount of salt that you use in your foods. Such as stay away from foods such as pretzles.

Description : Angiotensin II: a. is an octapeptide b. is produced mainly in the lungs c. causes thirst d. all

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