Angiotensin-II increases the blood volume by

Angiotensin-II increases the blood volume by
by

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Angiotensin-II increases the blood volume by A. Signaling PCT to reabsorb more NaCl and water B. ... stimulating the release of ADH D. All of these
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Which one of the following is characteristic of captopril and enalapril ? (a) Competitively blocks angiotensim II at its receptor (b) Decreases angiotensin II concentration in the blood (c) Decreases rennin concentration in the blood (d) Increases sodium and decreases potassium in the blood (e) Decreases sodium and increases potassium in the urine

Description : Which one of the following is characteristic of captopril and enalapril ? (a) Competitively blocks angiotensim II at its receptor (b) Decreases angiotensin II concentration in the blood (c) Decreases ... and decreases potassium in the blood (e) Decreases sodium and increases potassium in the urine

Last Answer : Ans: B

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

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

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 stimulates ADH release. (c) An increase in glomerular blood flow stimulates formation of angiotensin II. (d) During summer when body loses lot of water by evaporation, the release of ADH is suppressed.

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.

Last Answer : (a) When someone drinks lot of water, ADH release is suppressed.

Angiotensin II causes rise in blood pressure by: A. Direct vasoconstriction B. Releasing adrenaline from adrenal medulla C. Increasing central sympathetic tone D. All of the above

Description : Angiotensin II causes rise in blood pressure by: A. Direct vasoconstriction B. Releasing adrenaline from adrenal medulla C. Increasing central sympathetic tone D. All of the above

Last Answer : D. All of the above

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

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

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

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

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

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

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

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

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.

Vasoconstrictor effect of ADH is mediated by (A) cAMP (B) cGMP (C) Protein kinase C (D) Angiotensin II

Description : Vasoconstrictor effect of ADH is mediated by (A) cAMP (B) cGMP (C) Protein kinase C (D) Angiotensin II

Last Answer : Answer : C

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

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

Last Answer : Answer : C

In the rennin-angiotensin system the primary hormone is (A) Angiotensinogen (B) Angiotensin I (C) Angiotensin II (D) Angiotensin III

Description : In the rennin-angiotensin system the primary hormone is (A) Angiotensinogen (B) Angiotensin I (C) Angiotensin II (D) Angiotensin III

Last Answer : Answer : C

Prostaglandin synfhesis is increased by activating phospholipases by (A) Mepacrine (B) Angiotensin II (C) Glucocorticoids (D) Indomenthacin

Description : Prostaglandin synfhesis is increased by activating phospholipases by (A) Mepacrine (B) Angiotensin II (C) Glucocorticoids (D) Indomenthacin

Last Answer : Answer : B

Agents that often cause vasoconstriction include all of the following except (a) Angiotensin II (b) Methysergide (c) PGF2a (d) Prostacyclin (e) Thromboxane

Description : Agents that often cause vasoconstriction include all of the following except (a) Angiotensin II (b) Methysergide (c) PGF2a (d) Prostacyclin (e) Thromboxane

Last Answer : Ans: D

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

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

Following acute haemorrhage, the following compensatory mechanisms occur: a. increased chemoreceptor discharge b. increased level of circulating angiotensin II c. vasoconstriction of renal efferent arterioles d. all above

Description : Following acute haemorrhage, the following compensatory mechanisms occur: a. increased chemoreceptor discharge b. increased level of circulating angiotensin II c. vasoconstriction of renal efferent arterioles d. all above

Last Answer : all above

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

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

Last Answer : all

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

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

Select the nonapeptide which can be generated from plasma globulin by snake venom enzymes, causes fall in BP and intense pain when applied to blister base: A. Kallidin B. Bradykinin C. Angiotensin II D. Angiotensin III

Description : Select the nonapeptide which can be generated from plasma globulin by snake venom enzymes, causes fall in BP and intense pain when applied to blister base: A. Kallidin B. Bradykinin C. Angiotensin II D. Angiotensin III

Last Answer : B. Bradykinin

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

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

Enalapril differs from captopril in that: A. It blocks angiotensin II receptors B. It does not produce cough as a side effect C. It is less liable to cause abrupt first dose hypotension D. It has a shorter duration of action

Description : Enalapril differs from captopril in that: A. It blocks angiotensin II receptors B. It does not produce cough as a side effect C. It is less liable to cause abrupt first dose hypotension D. It has a shorter duration of action

Last Answer : C. It is less liable to cause abrupt first dose hypotension

Captopril pretreatment: A. Inhibits the pressor action of angiotensin I B. Inhibits the pressor action of angiotensin II C. Potentiates the depressor action of bradykinin D. Both ‘A’ and ‘C’ are correct

Description : Captopril pretreatment: A. Inhibits the pressor action of angiotensin I B. Inhibits the pressor action of angiotensin II C. Potentiates the depressor action of bradykinin D. Both ‘A’ and ‘C’ are correct

Last Answer : D. Both ‘A’ and ‘C’ are correct

Ventricular remodeling after myocardial infarction involves the mediation of: A. Angiotensin II B. Prostaglandin C. Bradykinin D. Thromboxane A2

Description : Ventricular remodeling after myocardial infarction involves the mediation of: A. Angiotensin II B. Prostaglandin C. Bradykinin D. Thromboxane A2

Last Answer : A. Angiotensin II

Angiotensin II plays a key role in the following risk factor for ischaemic heart disease: A. Hypercholesterolemia B. Ventricular hypertrophy C. Carbohydrate intolerance D. Cardiac arrhythmia

Description : Angiotensin II plays a key role in the following risk factor for ischaemic heart disease: A. Hypercholesterolemia B. Ventricular hypertrophy C. Carbohydrate intolerance D. Cardiac arrhythmia

Last Answer : B. Ventricular hypertrophy

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

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

Under physiological conditions the rate limiting enzyme in the generation of angiotensin II is: A. Renin B. Angiotensin converting enzyme C. Aminopeptidase D. Angiotensinase

Description : Under physiological conditions the rate limiting enzyme in the generation of angiotensin II is: A. Renin B. Angiotensin converting enzyme C. Aminopeptidase D. Angiotensinase

Last Answer : A. Renin

There are no preformed stores of the following autacoid/autacoids: A. Prostaglandins B. Leukotrienes C. Angiotensin II D. All of the above

Description : There are no preformed stores of the following autacoid/autacoids: A. Prostaglandins B. Leukotrienes C. Angiotensin II D. All of the above

Last Answer : D. All of the above

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

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.

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

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

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) the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine (d) the pancreas leading to a reduction in the blood sugar levels.

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

Advantages of angiotensin converting enzyme inhibitors as antihypertensive include the following except: A. They tend to reverse left ventricular hypertrophy B. Their efficacy is not reduced by nonsteroidal antiinflammatory drugs C. They do not worsen blood lipid profile D. They do not impair work performance

Description : Advantages of angiotensin converting enzyme inhibitors as antihypertensive include the following except: A. They tend to reverse left ventricular hypertrophy B. Their efficacy is not reduced by nonsteroidal ... . They do not worsen blood lipid profile D. They do not impair work performance

Last Answer : B. Their efficacy is not reduced by nonsteroidal antiinflammatory drugs

Read the following points `:-` (i) Increase GFR (ii) Increase B.P. (iii) Decreases blood volume (iv) Increases aldosterone secretion (v) Vasoconstrict

Description : Read the following points `:-` (i) Increase GFR (ii) Increase B.P. (iii) Decreases blood volume (iv) Increases aldosterone secretion (v) Vasoconstrict

Last Answer : Read the following points `:-` (i) Increase GFR (ii) Increase B.P. (iii) Decreases blood volume (iv) ... II ? A. Two B. Three C. Four D. Five

What is the function of Renin-Angiotensin in the regulation of kidney function? -Biology

Description : What is the function of Renin-Angiotensin in the regulation of kidney function? -Biology

Last Answer : answer:

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

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

Last Answer : Assertion `:-` Feedback mechanism for regulartion of kidney involve hypothalamus & JGA. Reason `:-` ANF ... D. If both Assertion & Reason are false.

Secretion of mineralcorticoids is increased by (A) ACTH (B) Angiotensin (C) Hypokalaemia (D) Hypernatraemia

Description : Secretion of mineralcorticoids is increased by (A) ACTH (B) Angiotensin (C) Hypokalaemia (D) Hypernatraemia

Last Answer : Answer : B

In the synthesis of Angiotensin I, rennin acts on Angiotensinogen and cleaves the (A) Leucine – leucine at 10 and 11 position (B) Valine – tyrosine at 3 and 4 position (C) Isoleucine – histidine at 5 and 6 position (D) Proline – histidine at 7 and 8 position

Description : In the synthesis of Angiotensin I, rennin acts on Angiotensinogen and cleaves the (A) Leucine – leucine at 10 and 11 position (B) Valine – tyrosine at 3 and 4 position (C) Isoleucine – histidine at 5 and 6 position (D) Proline – histidine at 7 and 8 position

Last Answer : Answer : A

Which of the following statement(s) is/are true concerning the neuroendocrine responses to shock? a. Sympathetic nerve endings release epinephrine which is responsible for greater than 80% of systemic vascular resistance b. Endogenous epinephrine is the primary contributor to systemic vascular resistance c. Increased pancreatic secretion of glucagon contributes to glucose intolerance associated with injury and sepsis d. The renin-angiotensin axis further augments the sympathetic-mediated vasoconstriction

Description : Which of the following statement(s) is/are true concerning the neuroendocrine responses to shock? a. Sympathetic nerve endings release epinephrine which is responsible for greater than 80% ... injury and sepsis d. The renin-angiotensin axis further augments the sympathetic-mediated vasoconstriction

Last Answer : Answer: c, d The neuroendocrine response to shock attempts to achieve restoration of effective blood volume, mobilization of metabolic substrates, and maintenance of central ... . Angiotensin II is an extremely effective vasoconstrictor that further augments sympathetic-mediated vasoconstriction

Which of the following statements about hypertension in diabetes patients is/are correct? A. Hypertension worsens the macrovascular disease of diabetes patients. B. Hypertension accelerates the progression of diabetic nephropathy. C. Hypertension is associated with sodium retention in diabetes patients. D. Angiotensin-converting enzyme (ACE) inhibitors should be used in all patients with chronic hyperglycemia, regardless of the presence of hypertension. E. Diuretics, as single-drug therapy, are not indicated in the treatment of hypertension in diabetes patients.

Description : Which of the following statements about hypertension in diabetes patients is/are correct? A. Hypertension worsens the macrovascular disease of diabetes patients. B. Hypertension accelerates the ... single-drug therapy, are not indicated in the treatment of hypertension in diabetes patients.

Last Answer : Answer: ABCDE DISCUSSION: All of the answers listed are correct. By damaging endothelial cells, hypertension worsens macrovascular disease in all patients but especially in diabetics. Hypertension ... is not indicated because the chronic state of dehydration in such patients may become worse

Tachyphylaxis to many actions on repeated injection is a feature of the following autocoid (a) Histamine (b) 5-Hydroxytryptamine (c) Bradykinin (d) Angiotensin

Description : Tachyphylaxis to many actions on repeated injection is a feature of the following autocoid (a) Histamine (b) 5-Hydroxytryptamine (c) Bradykinin (d) Angiotensin

Last Answer : Ans: B

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

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

Last Answer : Ans: D

Which hormones do stimulate the production of pancreatic juice and bicarbonate? (a) Angiotensin and epinephrine (b) Gastrin and insulin (c) Cholecystokinin and secretin (d) Insulin and glucagon

Description : Which hormones do stimulate the production of pancreatic juice and bicarbonate? (a) Angiotensin and epinephrine (b) Gastrin and insulin (c) Cholecystokinin and secretin (d) Insulin and glucagon

Last Answer : (c) Cholecystokinin and secretin

Angiotensin converting enzyme inhibitors are contraindicated in: A. High renin hypertensives B. Diabetics C. Congestive heart failure patients D. Pregnant women

Description : Angiotensin converting enzyme inhibitors are contraindicated in: A. High renin hypertensives B. Diabetics C. Congestive heart failure patients D. Pregnant women

Last Answer : D. Pregnant women

The following type of vasodilator is not beneficial in CHF due to systolic dysfunction: A. Calcium channel blocker B. Angiotensin converting enzyme inhibitor C. Nitrate D. Hydralazine

Description : The following type of vasodilator is not beneficial in CHF due to systolic dysfunction: A. Calcium channel blocker B. Angiotensin converting enzyme inhibitor C. Nitrate D. Hydralazine

Last Answer : A. Calcium channel blocker

Choose the drug that selectively blocks AT1 subtype of angiotensin receptors: A. Ramipril B. Lovastatin C. Candesartan D. Sumatriptan

Description : Choose the drug that selectively blocks AT1 subtype of angiotensin receptors: A. Ramipril B. Lovastatin C. Candesartan D. Sumatriptan

Last Answer : C. Candesartan

Clinically, the angiotensin antagonists share the following features of angiotensin converting enzyme inhibitors except: A. Antihypertensive efficacy B. Potential to reverse left ventricular hypertrophy C. Lack of effect on carbohydrate tolerance D. Potential to induce cough in susceptible individuals

Description : Clinically, the angiotensin antagonists share the following features of angiotensin converting enzyme inhibitors except: A. Antihypertensive efficacy B. Potential to reverse left ventricular hypertrophy ... of effect on carbohydrate tolerance D. Potential to induce cough in susceptible individuals

Last Answer : D. Potential to induce cough in susceptible individuals

Which of the following statements most closely describes the current status of angiotensin converting enzyme inhibitors in congestive heart failure: A. They are the first choice drugs unless contraindicated B. They are used when diuretics alone fail C. They are a substitute for digitalis D. They are to be used as adjuncts only in resistant cases

Description : Which of the following statements most closely describes the current status of angiotensin converting enzyme inhibitors in congestive heart failure: A. They are the first choice drugs unless contraindicated B. ... substitute for digitalis D. They are to be used as adjuncts only in resistant cases

Last Answer : D. They are to be used as adjuncts only in resistant cases

Angiotensin converting enzyme inhibitors afford maximum protection against progression of heart failure when used: A. At the higher therapeutic dose range over long term B. At the maximum tolerated dose only till haemodynamic compensation is restored C. At low doses over long term D. At low doses along with diuretics/digoxi

Description : Angiotensin converting enzyme inhibitors afford maximum protection against progression of heart failure when used: A. At the higher therapeutic dose range over long term B. At the maximum tolerated dose only till ... restored C. At low doses over long term D. At low doses along with diuretics/digoxi

Last Answer : A. At the higher therapeutic dose range over long term

Angiotensin converting enzyme inhibitors reduce the following haemodynamic parameters in congestive heart failure except: A. Systemic vascular resistance B. Right atrial pressure C. Cardiac output D. Heart rate × pressure product

Description : Angiotensin converting enzyme inhibitors reduce the following haemodynamic parameters in congestive heart failure except: A. Systemic vascular resistance B. Right atrial pressure C. Cardiac output D. Heart rate × pressure product

Last Answer : C. Cardiac output

Potentiation of bradykinin appears to play a role in the following effects of angiotensin converting enzyme inhibitors except: A. Fall in BP in the short term B. Fall in BP in the long term C. Cough in susceptible individuals D. Angioedema in susceptible individuals

Description : Potentiation of bradykinin appears to play a role in the following effects of angiotensin converting enzyme inhibitors except: A. Fall in BP in the short term B. Fall in BP in the long term C. Cough in susceptible individuals D. Angioedema in susceptible individuals

Last Answer : B. Fall in BP in the long term

The following is a pressor peptide that can be generated both in circulation as well as locally in certain tissues: A. Bradykinin B. Angiotensin C. Kallidin D. Plasmin

Description : The following is a pressor peptide that can be generated both in circulation as well as locally in certain tissues: A. Bradykinin B. Angiotensin C. Kallidin D. Plasmin

Last Answer : B. Angiotensin

Sildenafil is contraindicated in patients taking the following class of drugs: A. α-adrenergic blockers B. β-adrenergic blockers C. Organic nitrates D. Angiotensin converting enzyme inhibitors

Description : Sildenafil is contraindicated in patients taking the following class of drugs: A. α-adrenergic blockers B. β-adrenergic blockers C. Organic nitrates D. Angiotensin converting enzyme inhibitors

Last Answer : C. Organic nitrates