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
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 : 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
Description : Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other? (a) Aldosterone Atrial Natriuretic Factor (b) Relaxin Inhibin (c) Parathormone Calcitonin (d) Insulin Glucagon
Last Answer : (b) Relaxin Inhibin
Description : Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the ... sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.
Last Answer : (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle
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 : 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
Description : Which of the following is true about Atrial Natriuretic Factor (ANF)?
Last Answer : Which of the following is true about Atrial Natriuretic Factor (ANF)? A. An increase in blood volume and B. ... ANF acts as a check on RAAS D. 1 and3
Description : Cyclic GMP acts as the second messenger for (A) Nerve growth factor (B) Atrial natriuretic factor (C) Epinephrine (D) Norepinephrine
Last Answer : Answer : B
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 : 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 : 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 : 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
Description : Triamterene differs from spironolactone in that: A. It has greater natriuretic action B. Its K+ retaining action is not dependent on presence of aldosterone C. It acts from the luminal membrane side of the distal tubular cells D. Both ‘B’ and ‘C’ are correct
Last Answer : D. Both ‘B’ and ‘C’ are correct
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 : In the autonomic regulation of blood pressure (a) Cardiac output is maintained constant at the expense of other hemodynamic variables (b) Elevation of blood pressure results in elevated ... the sensitivity of the sensory baroreceptor nerve endings might cause an increase in sympathetic discharge
Last Answer : Ans: D
Description : Thiazide diuretics inhibit (A) Carbonic anhydrase (B) Aldosterone secretion (C) ADH secretion (D) Sodium reabsorption in distal tubules
Last Answer : Answer : D
Description : Diabetes insipidus results from (A) Decreased insulin secretion (B) Decreased ADH secretion (C) Decreased aldosterone secretion (D) Unresponsiveness of osmoreceptors
Description : A 55-year-old male undergoes a total abdominal colectomy. Which of the following statement(s) is/are true concerning the hormonal response to the surgical procedure? a. Adrenocorticotropic ... in serum insulin and a fall in glucagon accelerate hepatic glucose production and maintain gluconeogenesis
Last Answer : Answer: a, c One of the earliest consequence of a surgical procedure is the rise in levels of circulating cortisol that occur in response to a sudden outpouring of ACTH ... hepatic glucose production, and, with other hormones (epinephrine and glucocorticoids), gluconeogenesis is maintained
Description : Assertion `:-` An increase in body fluid volume activate osmoreceptors , which stimulate the hypothelamus to release ADH. Reason `:-` ADH facilitates
Last Answer : Assertion `:-` An increase in body fluid volume activate osmoreceptors , which stimulate the hypothelamus ... . If both Assertion & Reason are false.
Description : Which of the following sequence is correct? (i) An increase in body fluid volume `rarr` switch off the osmoreceptors `rarr` suppresses the ADH Release
Last Answer : Which of the following sequence is correct? (i) An increase in body fluid volume `rarr` switch off the ... ii, iii and iv D. iii, iv and ii
Description : if you suspect atrial flutter : Consider digoxin if not already in use because it frequently increases the conduction ratio and decreases the ventricular rate. , Avoid adrenergic and ... to the muscle decrease blood supply to the muscle the heart trying to beat fast ______________________________
Last Answer : decrease O2 supply to the muscle
Description : Which ONE of the following is true concerning Antidiuretic hormone(ADH)? 1) Carbamazepine potentiates it's release 2) Ethanol potentiates it's release 3) It circulates in the blood bound to neurohypophysin 4) It is a cyclic octapeptide 5) It is synthesised in the posterior pituitary
Last Answer : Answers-1 ADH is a nonapeptide manufactured in the paraventricular and supra-optic nuclei of the hypothalamus and released from the posterior pituitary. It acts on the collecting ducts improving ... agents such as thiazides and SSRIs may potentiate its release. Ethanol usually inhibits release.
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.
Description : Which is an example of negative feedback? A) Nursing action stimulates the hypothalamus to release oxytocin that triggers mammary gland milk production. B) When the blood becomes dilute, ADH ... produce sperm or eggs. E) TRH stimulates the anterior pituitary to release thyroid-stimulating hormone.
Last Answer : B) When the blood becomes dilute, ADH is no longer released from the hypothalamus
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
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
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 : An increase in the osmolality of extracellular compartment will (A) Inhibit ADH secretion (B) Stimulate ADH secretion (C) Cause no change in ADH secretion (D) Stimulate the volume and osmoreceptor and inhibit ADH secretion
Description : patient with rhumatic heart disease and had mitral valve stenosis Mitral vave diameter less than 1 mm In order to maintain COP what will happen : Left atrial hypertrophy and decrease ... dilatation with decrease pressure of contraction d- ventricle dilatation with decrease pressure of contraction .
Last Answer : Dilatation in the atrium with chamber hypertrophy
Description : Read statement A-D `:- ` (A) When some one drinks lot of water, ADH release is decreased. (B) Exposure to cold temperature suppress ADH release (C ) C
Last Answer : Read statement A-D `:- ` (A) When some one drinks lot of water, ADH release is decreased. (B) Exposure to cold ... B. A and B C. C and D D. B and D
Description : How does excessive salts intake affect the release of ADH from pituitary gland?
Last Answer : Need answer
Description : Which hormone will stimulate the release of milk from the mother's mammary glands when a baby is nursing? A) oxytocin B) prolactin C) ADH D) HGH E) epinephrine
Last Answer : A) oxytocin
Description : ADH test is based on the measurement of (A) Specific gravity of urine (B) Concentration of urea in urine (C) Concentration of urea in blood (D) Volume of urine in ml/minute
Last Answer : A
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
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_____.
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
Description : Which hormone will decrease blood glucose levels? A) thyroxin B) aldosterone C) cortisol D) insulin E) glucagon
Last Answer : D) insulin
Description : Assertion `:-` An increase in blood flow to the atria of heart can cause the release of ANF. Reason `:-` ANF can cause vasodilation and decrease the B
Last Answer : Assertion `:-` An increase in blood flow to the atria of heart can cause the release of ANF. ... False. D. If both Assertion & Reason are false.
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.
Description : Activation of endothelin receptor ETA, leads to (a) Vasoconstriction (b) Bronchoconstriction (c) Aldosterone release (d) All of the above
Description : Aldosterone release is stimulated by (a) Angiotensin I (b) Angiotensin (c) Angiotensin III (d) Both (b) and (c)
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 : 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
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 : Stimulation of the cholinergic pathway results in: a. ciliary muscle contraction b. a decrease in atrial contractility c. gall bladder contraction d. all above
Last Answer : all above
Description : What is the usual response to digoxin in a patient of atrial fibrillation: A. Restoration of normal sinus rhythm B. Conversion of atrial fibrillation to atrial flutter C. Increase in ... decrease in ventricular rate D. Decrease in atrial fibrillation frequency, but increase in ventricular rate
Last Answer : C. Increase in atrial fibrillation frequency, but decrease in ventricular rate