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

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

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.

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

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

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.

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

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

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

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

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

The following factors enhance renin release from the kidney except: A. Fall in blood pressure B. Reduction in blood volume C. Enhanced sympathetic activity D. Volume overload

Description : The following factors enhance renin release from the kidney except: A. Fall in blood pressure B. Reduction in blood volume C. Enhanced sympathetic activity D. Volume overload

Last Answer : D. Volume overload

All of the following contribute to the antihypertensive action of propranolol except: A. Direct vasodilatation B. Decreased renin release from kidney C. Adaptation of blood vessels to reduced cardiac output D. Less noradrenaline release from sympathetic nerve endings

Description : All of the following contribute to the antihypertensive action of propranolol except: A. Direct vasodilatation B. Decreased renin release from kidney C. Adaptation of blood vessels to reduced cardiac output D. Less noradrenaline release from sympathetic nerve endings

Last Answer : A. Direct vasodilatation

All of the following contribute to the antihypertensive action of propranolol except: A. Direct vasodilatation B. Decreased renin release from kidney C. Adaptation of blood vessels to reduced cardiac output D. Less noradrenaline release from sympathetic nerve endings

Description : All of the following contribute to the antihypertensive action of propranolol except: A. Direct vasodilatation B. Decreased renin release from kidney C. Adaptation of blood vessels to reduced cardiac output D. Less noradrenaline release from sympathetic nerve endings

Last Answer : A. Direct vasodilatation

The following action of adrenaline is not mediated by β receptors: A. Dilatation of blood vessels B. Dilatation of pupil C. Bronchodilation D. Renin release from kidney

Description : The following action of adrenaline is not mediated by β receptors: A. Dilatation of blood vessels B. Dilatation of pupil C. Bronchodilation D. Renin release from kidney

Last Answer : B. Dilatation of pupil

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

Which one of the following statement is correct respect to kidney function regulation

Description : Which one of the following statement is correct respect to kidney function regulation

Last Answer : Which one of the following statement is correct respect to kidney function regulation A. When ... evaporation, the release of ADH is suppressed.

Which one of the following statement is correct respect to kidney function regulation

Description : Which one of the following statement is correct respect to kidney function regulation

Last Answer : Which one of the following statement is correct respect to kidney function regulation A. ... blood flow stimulates formation of Angiotensin II.

Which one of the following is NOT a function of kidney - (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4)Regulation of osmotic pressures of the blood

Description : Which one of the following is NOT a function of kidney - (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4)Regulation of osmotic pressures of the blood

Last Answer : (3) Production of antibodies Explanation: Kidneys are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid-base balance, and ... diverted to the urinary bladder whereas the antibodies are produced by antigens in the cell.

Which of the following is NOT a function of the kidney? a) excretion of urea b) regulation of fluids and electrolytes c) elimination of toxic substances d) defecation

Description : Which of the following is NOT a function of the kidney? a) excretion of urea b) regulation of fluids and electrolytes c) elimination of toxic substances d) defecation

Last Answer : ANSWER: D -- DEFECATION

Which one of the following is NOT a function of kidney ? (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4) Regulation of osmotic pressures of the blood

Description : Which one of the following is NOT a function of kidney ? (1) Regulation of blood pH (2) Removal of metabolic wastes from the body (3) Production of antibodies (4) Regulation of osmotic pressures of the blood 

Last Answer : Production of antibodies

Which of the following statements is correct in relation to the endocrine system? (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones. (b) Releasing and inhibitory hormones are produced by the pituitary gland. (c) Adenohypophysis is under direct neural regulation of the hypothalamus. (d) Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.

Description : Which of the following statements is correct in relation to the endocrine system? (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as ... in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.

Last Answer : (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones.

In which the following condition can activate the JG cells to release renin `:-`

Description : In which the following condition can activate the JG cells to release renin `:-`

Last Answer : In which the following condition can activate the JG cells to release renin `:-` A. More `Na^(+ ... C. High glomerular blood pressure D. Fall in GFR

Renin is released by

Description : Renin is released by

Last Answer : Renin is released by A. Cortical nephrons B. Collecting duct C. Juxtaglomerular appratus D. Pelvis

Fall of GFR activate JG cells to release renin which converts angiotensinogen into____. Angiotensinogen-II is a powerfull_____. Causes increase in glo

Description : Fall of GFR activate JG cells to release renin which converts angiotensinogen into____. Angiotensinogen-II is a powerfull_____. Causes increase in glo

Last Answer : Fall of GFR activate JG cells to release renin which converts angiotensinogen into____. ... glomerular blood pressure. Causes increase in_____.

Fall of GFR activate JG cells to release renin which converts angiotensinogen into____. Angiotensinogen-II is a powerfull_____. Causes increase in glo

Description : Fall of GFR activate JG cells to release renin which converts angiotensinogen into____. Angiotensinogen-II is a powerfull_____. Causes increase in glo

Last Answer : Fall of GFR activate JG cells to release renin which converts angiotensinogen into____. ... glomerular blood pressure. Causes increase in_____.

A: Atrial naturiuretic factor is released by wall of atria. R: It inhibits the release of renin from juxta glomerular apparatus.

Description : A: Atrial naturiuretic factor is released by wall of atria. R: It inhibits the release of renin from juxta glomerular apparatus.

Last Answer : A: Atrial naturiuretic factor is released by wall of atria. R: It inhibits the release of renin ... false D. If both Assertion and Reason are false

Renin is secreted by

Description : Renin is secreted by

Last Answer : Renin is secreted by A. Cells of stomach B. Cells of intestine C. Cortical cells of kidney D. Cells of juxtaglomerular apparatus of kidney

What is the source of renin?

Description : What is the source of renin?

Last Answer : Feel Free to Answer

Renin?

Description : Renin?

Last Answer : DefinitionRenin is a protein (enzyme) released by special kidney cells when you have decreased salt (sodium levels) or low blood volume.Renin also plays a role in the release of aldosterone, a ... health care provider gently inserts a needle into the vein. The blood collects into an airtight via

Renin converts casein to paracasein in presence of (A) Ca++ (B) Mg++ (C) Na+ (D) K+

Description : Renin converts casein to paracasein in presence of (A) Ca++ (B) Mg++ (C) Na+ (D) K+

Last Answer : Answer : A

A 35 year old male presents with weakness and tiredness. He is noted to be hyertensive. Electrolytes show a hypokalaemia and a hypomagnesaemia. What investigation would you select for this patient? 1) Colonoscopy 2) Plasma renin toaldosterone ratio 3) Serum amylase 4) Serum calcium 5) Oral glucose tolerance test

Description : A 35 year old male presents with weakness and tiredness. He is noted to be hyertensive. Electrolytes show a hypokalaemia and a hypomagnesaemia. What investigation would you select for this patient? ... Plasma renin toaldosterone ratio 3) Serum amylase 4) Serum calcium 5) Oral glucose tolerance test

Last Answer : Answers-2 The hypokalaemic hypertension with hypomagnesaemia suggests primary hyperaldosteronism. The most reliable assessment for this would be renin to aldosterone ratio.

Which one of the following is secreted by Pancreas and regulates the amount of sugar in the body? (a) Renin (b) Creatin (c) Vitamin (d) Insulin

Description : Which one of the following is secreted by Pancreas and regulates the amount of sugar in the body? (a) Renin (b) Creatin (c) Vitamin (d) Insulin

Last Answer : Ans:(d)

Which enzyme is present in all members of the animal kingdom except Protozoa? (1) Insulin (2) Pepsin (3) Renin (4) Amylase

Description : Which enzyme is present in all members of the animal kingdom except Protozoa? (1) Insulin (2) Pepsin (3) Renin (4) Amylase

Last Answer : (4) Amylase Explanation: Digestion in Protozoa is carried on by several enzymes such as peptidase, proteinase, lipase, etc. For example, Insulin has important role in the glucose uptake of protozoa. ... is due to the absence of amylase that protozoa such as amoeba cannot digest fats and starch.

An example of hormone is – (1) Cytosine (2) Renin (3) Oxytocin (4) Peprin

Description : An example of hormone is – (1) Cytosine (2) Renin (3) Oxytocin (4) Peprin

Last Answer : (3) Oxytocin Explanation: Oxytocin is an hormone that is normally produced in the hypothalamus and stored in the posterior pituitary gland. It plays a role in social bonding, sexual ... stretching of the cervix and uterus during labor and with stimulation of the nipples from breastfeeding.

Which enzyme is present in all members of the animal kingdom except Protozoa? (1) Insulin (2) Pepsin (3) Renin (4) Amylase

Description : Which enzyme is present in all members of the animal kingdom except Protozoa? (1) Insulin (2) Pepsin (3) Renin (4) Amylase

Last Answer : (4) Amylase Explanation: Protozoa lack amylase which is required for the digestion of facts and starch.

The enzyme that is present in the saliva of man is - (1) Pepsin (2) Renin (3) Amylase (4) Trypsin

Description : The enzyme that is present in the saliva of man is - (1) Pepsin (2) Renin (3) Amylase (4) Trypsin

Last Answer : (3) Amylase Explanation: Amylase is an enzyme that catalyses the breakdown of starch into sugars. Amylase is present in human saliva, where it begins the chemical process of digestion. Foods ... bacteria also produce amylase. As diastase, amylase was the first enzyme to be discovered and isolated.

Which one of the following is not a digestive enzyme? (1) Pepsin (2) Renin (3) Insulin (4) Amylopsin

Description : Which one of the following is not a digestive enzyme? (1) Pepsin (2) Renin (3) Insulin (4) Amylopsin

Last Answer : (3) Insulin Explanation: Insulin is a peptide hormone, produced by beta cells of the pancreas, and is central to regulating carbohydrate and fat metabolism in the body. Insulin causes cells in ... and skeletal muscles, glucose is stored as glycogen, and in adipocytes it is stored as triglycerides.

J. B. Sumner isolated first enzyme from Jackbeans as- (1) amylase (2) trypsin (3) urease (4) renin

Description : J. B. Sumner isolated first enzyme from Jackbeans as- (1) amylase (2) trypsin (3) urease (4) renin

Last Answer : (3) urease Explanation: James Batcheller Sumner (November 19, 1887 – August 12, 1955) was an American chemist. He discovered that enzymes can be crystallized.

Which human hormone is called love hormone? A. Oxytocin (Answer) B. Melatonin C. Adrenalin D. Renin

Description : Which human hormone is called love hormone? A. Oxytocin (Answer) B. Melatonin C. Adrenalin D. Renin

Last Answer : A. Oxytocin (Answer)

The hormone that stimulates the stomach to secrete gastric juice is (a) enterokinase (b) enterogastrone (c) gastrin (d) renin

Description : The hormone that stimulates the stomach to secrete gastric juice is (a) enterokinase (b) enterogastrone (c) gastrin (d) renin

Last Answer : (c) gastrin

Which of the following does not favour the formation of large quantities of dilute urine? (a) Renin (b) Atrial-natriuretic factor (c) Alcohol (d) Caffeine

Description : Which of the following does not favour the formation of large quantities of dilute urine? (a) Renin (b) Atrial-natriuretic factor (c) Alcohol (d) Caffeine

Last Answer : (a) Renin

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.

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

A decrease in blood pressure/volume will not cause the release of (a) atrial natriuretic factor (b) aldosterone (c) ADH (d) renin.

Description : A decrease in blood pressure/volume will not cause the release of (a) atrial natriuretic factor (b) aldosterone (c) ADH (d) renin.

Last Answer : (a) atrial natriuretic factor

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

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.

The following antihypertensive drug tends to lower plasma renin activity: A. Clonidine B. Hydralazine C. Nifedipine D. Captopril

Description : The following antihypertensive drug tends to lower plasma renin activity: A. Clonidine B. Hydralazine C. Nifedipine D. Captopril

Last Answer : A. Clonidine

Methyldopa differs from clonidine in the following respect: A. It is less likely to cause rebound hypertension on sudden discontinuation B. It does not reduce plasma renin activity C. It has a central as well as peripheral site of antihypertensive action D. It does not produce central side effect

Description : Methyldopa differs from clonidine in the following respect: A. It is less likely to cause rebound hypertension on sudden discontinuation B. It does not reduce plasma renin activity C. It has a central as well as peripheral site of antihypertensive action D. It does not produce central side effect

Last Answer : A. It is less likely to cause rebound hypertension on sudden discontinuation

Captopril produces greater fall in blood pressure in: A. Diuretic treated patients B. Patients having low plasma renin activity C. Sodium replete normotensive individuals D. Untreated CHF patient

Description : Captopril produces greater fall in blood pressure in: A. Diuretic treated patients B. Patients having low plasma renin activity C. Sodium replete normotensive individuals D. Untreated CHF patient

Last Answer : A. Diuretic treated patients

A decrease in blood pressure / volume will not cause the release of : (1) Atrial natriuretic factor(2) Aldosterone (3) ADH (4) Renin

Description : A decrease in blood pressure / volume will not cause the release of : (1) Atrial natriuretic factor(2) Aldosterone (3) ADH (4) Renin

Last Answer : (1) Atrial natriuretic factor

One of the following act upon milk protein (a) Renin (b) Rennin (c) Casein (d) None

Description : One of the following act upon milk protein (a) Renin (b) Rennin (c) Casein (d) None

Last Answer : (b) Rennin

Which enzyme digests plant protein (a) Pepsin (b) Erepsin (c) Renin (d) All these

Description : Which enzyme digests plant protein (a) Pepsin (b) Erepsin (c) Renin (d) All these

Last Answer : (a) Pepsin