What are the hormone/s that affect the following in the formation of urine (a) Increases surface area in capillaries to elevate GFR (b) Inhibits phosphate reabsorption in PCT
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Q: determine
A:
What are the hormone/s that affect the following in the formation of urine
(a) Increases surface area in capillaries to elevate GFR
(b) Inhibits phosphate reabsorption in PCT
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Solved in 2 steps
- Fatty tissue holds the kidneys in place. Extremely rapid weight loss may cause this tissue to shrink so that the kidneys slip from their normal position. On rare occasions, the slippage can put a kink in one or both ureters and block urine flow. Suggest what might then happen to the kidneys.Which of the following does not contribute to the high salt concentration in the interstitial fluid of the kidney medulla? (a) active transport of sodium from the upper part of the ascending limb (b) diffusion of salt from the ascending limb of the loop of Henle (c) reabsorption of salt from various regions of Bowmans capsule (d) counterflow of fluid through the two limbs of the loop of Henle (e) diffusion of urea out of the collecting ductWhat are the hormone/s that affect the following in the formation of urine(a) Reabsorption of more water due to rise in osmotic level from reabsorbed Na (b) Increases permeability of water in the latter DCT & collecting duct (c)
- How does the secretion of ADH affect urine volume and urine concentration? What factors increase the release of ADH from the posterior pituitary gland? How would you alter the secretion of aldosterone and ADH to reabsorb more sodium without reabsorbing large quantities of water from the filtrate?A 37-year-old man has hypertension caused by aldosterone-secreting neoplasm. Which of the following is the likely effect on renal function? A) Decreased reabsorption of phosphate by distal tubule (B). Decreased secretion of H+ by collecting duct by collecting duct (C) Decreased secretion of K+ by collecting duct (D) Increased reabsorption of Na+ by the collecting duct (E) Increased reabsorption of Na+ by the proximal tubuleIs the following table correct? Please explain further what will happen to urine concentration and volume when a person is exercising or has diabetes mellitus.
- Indicate which of the following is (are) being described: angiotensisn II, aldosterone and/or ADH increases blood pressure by direct vasoconstriction (2 answers) stimulates insertion of aquaporins into the collecting duct (1) increases the secretion of the other two (1) acts on the principal cells of the nephron (2 answers) increases Na+ reabsorption by the kidney (1) has its production directly blocked by ACE inhibitors (1) increases water reabsorption by acting on kidney collecting duct (1)The hormone which has the opposite effect of aldosterone is: O ANF which decreases Na+ reabsorption in the proximal tubule ANF which increases Na+ reabsorption in the proximal tubule ANF which increases Na+ reabsorption in the distal tubule ANF which decreases Na+ reabsorption in the distal tubulewhich of the following apply to high levels of ADH release? choose all that apply: Aquaporins, much water reabsorption, small volume of concentrated urine, Little water reabsorption, large volume of dilute urine.
- Which correctly describes the mechanism of action of the loop diuretics? O They create a very hyperosmotic urine O They disrupt the concentration gradient in the renal medullary fluid O They disrupt the action of ADH on collecting duct epithelial cells O They directly block aldosterone from binding to its receptors O They lower blood pressure by promoting secretion of reninThe major action of ADH in the kidneys is to:a. increase water absorption by the proximal convoluted tubule.b. increase glomerular filtration rate.c. increase water reabsorption by the collecting duct.d. increase potassium’s excretion.The voiding reflex allows the sensation of the urge to urinated but prevents uncontrol urination by A stimulating parasympathetic stimulation of the detrusor muscle B inhibiting somatic nerves to the external urethral sphincter inhibiting parasympathetic stimulation of the detrusor muscle D inhibiting sympathetic stimulation of the internal urethral sphincter E) stimulating somatic nerves to the external urethral sphincter