Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 25, Problem 45CTQ
If you want the kidney to excrete more Na+ in the urine, what do you want the blood flow to do?
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you want the kidney to excrete more Na+ in the urine,what do you want the blood flow to do?
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If urine/filtrate is hyperosmotic to the interstitial fluid, fluid would go from the interstitial fluid to the urine/filtrate. How does this conserve water? Wouldn’t this NOT conserve water but rather increase the amount of water that is excreted via urine?
Chapter 25 Solutions
Anatomy & Physiology
Ch. 25 - Diabetes insipidus or diabetes mellitus would most...Ch. 25 - The color of urine is determined mainly by...Ch. 25 - Production of less than 50 mL/day of urine is...Ch. 25 - Peristaltic contractions occur in the ________....Ch. 25 - Somatic motor neurons must be ________ to relax...Ch. 25 - Which pan of the urinaiy system is not completely...Ch. 25 - The renal pyramids are separated from each other...Ch. 25 - The primary structure found within the medulla is...Ch. 25 - The right kidney is slightly lower because...Ch. 25 - Blood filtrate is captured in the lumen of the...
Ch. 25 - What are the names of the capillaries following...Ch. 25 - The functional unit of the kidney is called...Ch. 25 - ________ pressure must be greater on the capillary...Ch. 25 - Production of urine to modify plasma makeup is the...Ch. 25 - Systemic blood pressure must stay above 60 so that...Ch. 25 - Aquaporin channels are only found in the...Ch. 25 - Most absorption and secretion occurs in this part...Ch. 25 - The fine tuning of water recovery or disposal...Ch. 25 - Vasodilation of blood vessels to the kidneys is...Ch. 25 - When blood pressure increases, blood vessels...Ch. 25 - Which of these three paracrine chemicals cause...Ch. 25 - What hormone directly opposes the actions of...Ch. 25 - Which of these is a vasoconstrictor? nitric oxide...Ch. 25 - What signal causes the heart to secrete atrial...Ch. 25 - Which of these beverages does not have a diuretic...Ch. 25 - Progesterone can bind to receptors for which...Ch. 25 - Renin is released in response to ________....Ch. 25 - Which step in vitamin D production does the kidney...Ch. 25 - Which hormone does the kidney produce that...Ch. 25 - If there were no aquaporin channels in the...Ch. 25 - What is suggested by the presence of white blood...Ch. 25 - Both diabetes mellitus and diabetes insipidus...Ch. 25 - Why are females more likely to contract bladder...Ch. 25 - Describe how forceful urination is accomplished.Ch. 25 - What anatomical structures provide protection to...Ch. 25 - How does the renal poital system differ from the...Ch. 25 - Name the structures found in the renal hilum.Ch. 25 - Which structures make up the renal corpuscle?Ch. 25 - What are the major structures comprising the...Ch. 25 - Give the formula for net filtration pressure.Ch. 25 - Name at least five symptoms of kidney failure.Ch. 25 - Which vessels and what pail of the nephron are...Ch. 25 - Give the approximate osmolarity of fluid in the...Ch. 25 - Explain what happens to Na+ concentration in the...Ch. 25 - If you want the kidney to excrete more Na+ in the...Ch. 25 - What organs produce which hormones or enzymes in...Ch. 25 - PTH affects absorption and reabsorption of what?Ch. 25 - Why is ADH also called vasopressin?Ch. 25 - How can glucose be a diuretic?Ch. 25 - How does lack of protein in the blood cause edema?Ch. 25 - Which three electrolytes are most closely...
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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 kidney stone blocking a ureter would interfere with urine flow to which organ? Why would the pain occur in waves?arrow_forwardDrugs that increase urine flow (diuretic drugs) are often employed in the treatment of hypertension (high blood pressure) or other disease states. Three physiological categories of such drugs are ones that (i) function as loop diuretics, (ii) inhibit the action of aldosterone, and (iii) block Na+ channels in the collecting ducts. Explain why each of these categories would be expected to increase Na+ excretion and urine flow.arrow_forwardWhy is excretion important in order to achieve osmotic balance?arrow_forward
- Pressure in the renal artery is 100 mm Hg and the pressure in the renal vein is 50 mm Hg. The resistance of the afferent arteriole equals 0.5 mm Hg•min/L and the resistance of the efferent arteriole equals 0.5 mm Hg•min/L. What is the pressure in the glomerulus?arrow_forwardWhat is the difference between the glomerular capillaries and the peritubular capillaries? How do these relate to afferent and efferent arterioles? Why do the efferent arterioles have oxygenated blood? (The answer isn’t “they are called arterioles, therefore they have oxygenated blood.)arrow_forwardExplain in your own words when Renin release is stimulated by the kidneyarrow_forward
- From the previous question, In which section of the kidney tubules does this potassium movement occur? Is that movement passive or active?arrow_forwardIs this following statement correct? In the kidney, vasoconstriction of the afferent arteriole increases glomerular filtration rate, because hydrostatic pressure in the glomerular capillaries increases (much like putting your thumb over the end of a garden hose increases the pressure and causes the water to exit the hose with greater velocity and travel a greater distance).arrow_forwardIf blood pressure drops in a patient in shock as a resultof a severe injury, how would you expect urine volume to change? Why?arrow_forward
- 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?arrow_forwardTwo physiology students are having a disagreement about renal function. Student X says that the kidneys work harder when you eat a high salt diet while student Z says that they work harder when you drink lots of water. Who is right, and why?arrow_forwardWhat is unique about blood flow out of the glomerular capillaries (Hint: what vessel drains them)? How does this help to explain why the pressure in the glomerular capillaries is higher than other capillaries?arrow_forward
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