Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 37, Problem 6TY
Summary Introduction
Introduction:
The antidiuretic hormone is involved in the amount of water management inside the body. This hormone is secreted by the hypothalamus and pituitary gland found above the kidneys. The epithelial cell of the collecting duct is very permeable which helps in the retaining of water and is regulated by ADH. The presence If ADH inside the blood increases the number of water channels termed as aquaporins.
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Students have asked these similar questions
In the presence of anti-diuretic hormone (ADH), which of the following does NOT
occur?
OAquaporins will be present ONLY in the apical membrane of the collecting duct
ADH will bind to an ADH receptor, which is a metabotropic receptor
O Adenylate cyclase will be activated, producing CAMP
OWater flows down its concentration gradient, from high to low solute
concentrations
OAll of the above would occur
Which of the following is an accurate statement about vasopressin?
Multiple Choice
It is the endogenic form of ADH.
It contains ADH and oxytocin in a ratio of 10:1.
It is metabolized and excreted by the liver and kidneys.
It is administered intranasally to stabilize patients' fluid balance.
What is the consequence of antidiuretic hormone binding to specific receptors on the collecting ducts?
Group of answer choices
It causes the insertion of aquaporins into tubular membrane
It causes a decrease in the binding affinity of aquaporins
It leads to dehydration
It causes a decrease in water reabsorption
need ans ASAP please
Chapter 37 Solutions
Principles of Biology
Ch. 37.1 - Prob. 1TYKCh. 37.1 - Which statement is false? Water is an inorganic...Ch. 37.2 - Prob. 1CCCh. 37.2 - Prob. 1TYKCh. 37.3 - Prob. 1CCCh. 37.3 - Are the transport processes shown here, including...Ch. 37.3 - Prob. 2CCCh. 37.3 - Prob. 1TYKCh. 37.3 - Prob. 2TYKCh. 37.3 - Prob. 3TYK
Ch. 37.4 - During the absorptive state, an animal is fasting....Ch. 37.4 - Gluconeogenesis occurs when the liver synthesizes...Ch. 37.5 - Prob. 1CCCh. 37.5 - Prob. 1BCCh. 37.5 - Insulin primarily regulates blood glucose...Ch. 37.5 - Prob. 2CCCh. 37.5 - Prob. 2TYKCh. 37.6 - Prob. 1CCCh. 37.6 - Prob. 2CCCh. 37.6 - Prob. 1TYKCh. 37.6 - Prob. 2TYKCh. 37.7 - Prob. 1BCCh. 37.7 - Prob. 1TYKCh. 37.7 - Prob. 2TYKCh. 37.8 - Note that modem medical technology is using a...Ch. 37.8 - Prob. 1TYKCh. 37.8 - Hemodialysis is the treatment of choice for people...Ch. 37 - Prob. 1TYCh. 37 - Prob. 2TYCh. 37 - Prob. 3TYCh. 37 - Prob. 4TYCh. 37 - Prob. 5TYCh. 37 - Prob. 6TYCh. 37 - Prob. 7TYCh. 37 - Prob. 8TYCh. 37 - In the mammalian kidney, filtration is driven by...Ch. 37 - Which of the following cause(s) an increase in Na+...Ch. 37 - Prob. 1CCQCh. 37 - List and define the major processes involved in...Ch. 37 - Prob. 3CCQCh. 37 - Discuss the major ways in which glucose...Ch. 37 - Briefly discuss the parts mid functions of the...
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- Reabsorption depends on _________. a. osmosis across the nephron wall b. active transport of sodium across the nephron wall c. a steep solute concentration gradient d. all of the abovearrow_forwardA 65-year-old male patient is prescribed an ACE ( Angiotensin-converting enzyme) inhibitor (Benazepril ) for the treatment of hypertension. Which statement below is incorrect? Angiotensin II causes constriction of the vessels and triggers the release of aldosterone. ACE Inhibitors prevent Angiotensinogen I from converting to Angiotensin II. Kidneys will excrete water and potassium. This medication will lower SVR (systemic vascular resistance) and blood pressure.arrow_forwardAll of the followings are correct about Atrial natriuretic factor, except ------------------. It is secreted by stretch receptors in the atria It inhibits ADH secretion It increases urine volume It reduces blood pressure It decreases GFRarrow_forward
- Under circumstances of having low blood pressure , how does the sympathetic nervous system decrease glomerular filtration rate ? stimulates constriction of the efferent arteriole only stimulates relaxation of the mesangial cells stimulates secretion of erythropoietin stimulates constriction of both the afferent and efferent arteriolesarrow_forwardA patient has essential hypertension, and with a healthy lifestyle and medication, he is able to maintain normal blood pressure on a single antihypertensive medication. The medication he takes is called an angiotensin converting enzyme inhibitor, or ACE inhibitor, which blocks the activation of angiotensin II. Describe at least two mechanisms by which angiotensin II targets the kidneys to increase extracellular fluid volume and, therefore, increase blood pressure.arrow_forwardThe secretion of organic anions------------------. is driven by the sodium gradient established by the apical membrane Na+ /K + pump They are taken from the cell into the tubule in exchange for di/tricarboxylates. they are removed across apical membrane via cation antiporter all of the above None of the abovearrow_forward
- Which of the following are an effect of angiotensin II production? Select all that apply. Group of answer choices ADH release Rise in blood pressure Aldosterone release Vasodilationarrow_forwardOne model of the glomerular membrane is a microporous membrane in which right cylindrical pores penetrate all the way through the membrane. Assume that the pores have a length of 50 nm and a radius of 3.5 nm. The viscosity of plasma is 0.002 Pa s. The average hydrostatic pressure in the glomerulus is 60 mm Hg, hydrostatic pressure in Bowman's space is 20 mm Hg and the average oncotic pressure of glomerular capillary blood is 28 mm Hg. A. Calculate the flow through a single pore assuming laminar flow (use the Poiseuille flow equation) B. How many pores would there have to be to produce a normal GFR? C. If the total aggregate area of the kidneys for filtration is 1.5 m2, what is the density of the pores (number of pores per unit area)? D. What fraction of the area is present as pores?arrow_forwardWhich of the followings is correct about chloride reabsorption from the loop of Henle? Cl – is reabsorbed through the chloride channels of cells of the thick segment of loop of Henle Cl – is reabsorbed through paracellular gaps of the thick segment of loop of Henle Cl– is reabsorbed through Na–K–2Cl cotransporter in the basolateral membrane of the thick segment of loop of Henle All of the above is are correct None of the above is correctarrow_forward
- The secretion of organic anions------------------. is driven by the sodium gradient established by the apical membrane Na+ /K + pump is from the blood into the tubule cells in exchange for di/tricarboxylates. they are removed across apical membrane via anions symporter all of the above None of the abovearrow_forwardYou suspect a person is suffering from a central diabetes insipidus. When untreated and reasonably hydrated, their urine concentration should be . After injection of a synthetic ADH/vasopressin urine concentration should dilute; become concentrated concentrated; remain unchanged concentrated; become dilute dilute; remain unchangedarrow_forwardAntidiuretic hormone promotes the retention of water by stimulatingA. The active transport of waterB. The active transport of chlorideC. The active transport of sodiumD. The permeability of the collecting duct to waterarrow_forward
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