EBK ANATOMY & PHYSIOLOGY
5th Edition
ISBN: 9780321888013
Author: Hoehn
Publisher: VST
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Chapter 24, Problem 10RQ
Which of the following is/are true about ADH? (a) It promotes obligatory water reabsorption, (b) it is secreted in response to an increase in extracellular fluid osmolality, (c) it causes insertion of aquaporins in the PCT, (d) it promotes Na+ reabsorption.
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NOTE! Also explain the physiological mechanisms behind these changes.
Chapter 24 Solutions
EBK ANATOMY & PHYSIOLOGY
Ch. 24 - Roger is hit in the lower back by an errant...Ch. 24 - From inside to outside, list the three layers of...Ch. 24 - The lumen of the ureter is continuous with a space...Ch. 24 - Name the tubular components of a nephron in the...Ch. 24 - What are the structural differences between...Ch. 24 - What type of capillaries are the glomerular...Ch. 24 - Extrinsic and intrinsic controls of GFR serve two...Ch. 24 - Calculate net filtration pressure given the...Ch. 24 - Which of the pressures that determine NFP is...Ch. 24 - In which part of the nephron does most...
Ch. 24 - How are primary and secondary active transport...Ch. 24 - How does the movement of Na+ drive the...Ch. 24 - List several substances that are secreted into the...Ch. 24 - Describe the special characteristics of the...Ch. 24 - Under what conditions is ADH released from the...Ch. 24 - What would you expect the normal clearance value...Ch. 24 - What are the three major nitrogenous wastes...Ch. 24 - A kidney stone blocking a ureter would interfere...Ch. 24 - What is the trigone of the bladder, and which...Ch. 24 - Name the three regions of the male urethra.Ch. 24 - How does the detrusor respond to increased firing...Ch. 24 - The lowest blood concentration of nitrogenous...Ch. 24 - The glomerular capillaries differ from other...Ch. 24 - Damage to the renal medulla would interfere first...Ch. 24 - Which is reabsorbed by the proximal convoluted...Ch. 24 - Glucose is not normally found in the urine because...Ch. 24 - Filtration at the glomerulus is inversely related...Ch. 24 - Tubular reabsorption (a) of glucose and many other...Ch. 24 - If a freshly voided urine sample contains...Ch. 24 - Conditions such as diabetes mellitus and...Ch. 24 - Which of the following is/are true about ADH? (a)...Ch. 24 - What is the importance of the perirenal fat...Ch. 24 - Trace the pathway a creatinine molecule takes from...Ch. 24 - Explain the important differences between blood...Ch. 24 - Describe the mechanisms that contribute to renal...Ch. 24 - Prob. 15RQCh. 24 - Describe what is involved in active and passive...Ch. 24 - Explain how the peritubular capillaries are...Ch. 24 - Explain the process and purpose of tubular...Ch. 24 - How does aldosterone modify the chemical...Ch. 24 - Explain why the filtrate becomes hypotonic as it...Ch. 24 - How does urinary bladder anatomy support its...Ch. 24 - Define micturition and describe the micturition...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- a)Name the two factors that trigger the release of ADH (vasopressin). b) What happens to plasma osmolarity when there is excessive water loss through sweating and it is not replaced? c) Describe the renal regulation of potassium, where is K+, what is the hormone that is responsible for the secretion of K+, the name of the cells, and the location in the nephron where the fine-tuning of K+ occurs.arrow_forwardRenal Physiology (humans) a) When blood pressure declines, granular cells produce renin, an enzyme that enters the circulatory system and cleaves angiotensinogen. b) Aldosterone acts on cells of the collecting duct to cause both sodium reabsorption into blood and potassium secretion into urine. c) The production of excess aldosterone by an adrenal tumor would indirectly lead to the hyperpolarization of excitable cardiac cells. d) Both (a) and (b) are correct and (c) is incorrect e) Statements (a), (b) and (c) are all correctarrow_forward50. During an in vitro experiment studying aldosterone secretion, an isolated adrenal gland is perfused with various concentrations of potassium and angiotensin II. Which of the following combinations of potassium and angiotensin II will cause the greatest increase in aldosterone secretion? Angiotensin II A) B) C) D) E) F) G) 1) Potassium Increased Increased Increased Normal Normal Normal Decreased Decreased Decreased increased unchanged decreased increased unchanged decreased increased unchanged decreasedarrow_forward
- 5. During an in vitro experiment studying aldosterone secretion, an isolated adrenal gland is perfused with various concentrations of potassium and angiotensin II Which of the following combinations of potassium and angiotensin II will cause the greatest increase in aldosterone secretion? Angiotensin II Potassium Increased Increased Increased Normal Normal Normal Decreased Decreased OA) OB) OC) D) DE) QF) G) H) ) Decreased increased unchanged decreased increased unchanged decreased increased unchanged decreasedarrow_forward50. During an in vitro experiment studying aldosterone secretion, an isolated adrenal gland is perfused with various concentrations of potassium and angiotensin II. Which of the following combinations of potassium and angiotensin II will cause the greatest increase in aldosterone secretion? Angiotensin II Į ( A) B) C) D) E) F) G) H) 1) Potassium Increased Increased Increased Normal Normal Normal Decreased Decreased Decreased increased unchanged decreased increased unchanged decreased increased unchanged decreasedarrow_forward(a) Identify the two reactions that allow the kidney to produce NH4+. (b) Which gluconeogenic precursor is thereby generated? Describe thepathway by which it can be converted to glucose.arrow_forward
- Which of the following factors will enhance ADH release? (a) increase in ECF volume, (b) decrease in ECF volume, (c) decrease in ECF osmolality, (d) increase in ECF osmolality.arrow_forwardRenin is secreted in response to hypovolemia or to an increase in the osmolality of the blood. Provide three possible mechanisms by which these conditions may stimulate rennin secretion. What are the consequences of increased rennin secretion that lead to increased aldosterone secretion? Present this sequence of events. Why are angiotensin converting enzyme inhibitors (ACEIs) used as a common therapy for hypertension? How do they influence blood pressure? Are plasma levels of renin elevated or depressed in a patient with Conn’s disease? Why?arrow_forwardAntidiuretic hormone (ADH) is produced in the pituitary gland and regulates the body's fluid volume and osmolality by affecting the number of active aquaporins (water channels) in the proximal tubules and the collecting duct. But what is it, above all, that drives the filtrate out of the tubules? a) Osmotic pressure formed depending on the composition of the filtrate b) Osmotic gradient in the medullary (kidney marrow) c) Hydrostatic pressure from the filtrate in tubules d) Blood pressure in the capillaryarrow_forward
- 20.) Aldosterone is a steroid hormone that cells of kidney tubules. a.) inhibits b.) stimulates synthesis of Na+/K+ pumps and Na+ channels in principalarrow_forwardWhy are renin levels increased during fluid deficit?arrow_forwardThe tubuloglomerular feedback mechanism responds to an increase in A) urine production by signaling for a decrease in urine production through the hormone ADH. B) glomerular capillary hydrostatic pressure by signaling for afferent arterioles to constrict and increase filtration rate. C) NaCl concentration in tubular fluid by signaling for afferent arteriole constriction with 4ocal chemical messengers. D) systemic blood pressure by signaling for a decrease in heart rate through blood-borne hormones.arrow_forward
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