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 28RQ
Which step in vitamin D production does the kidney perform?
- converts cholecalciferol into calcidiol
- converts calcidiol into calcitriol
- stores vitamin D
- none of these
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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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- Which of the following does not contribute to the process of filtration? (a) active transport by epithelial cells lining renal tubules (b) large surface area for filtration (c) low permeability of glomerular capillaries (d) high hydrostatic blood pressure in glomerular capillaries (e) podocytesarrow_forwardWhich 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 ductarrow_forwardWhich of the following is NOT a function of the kidneysarrow_forward
- This is released from the juxtaglomerular apparatus - inulin - bicarbonate - glucose - creatinine - calcium - adenosine - chloride - renin - aldosteronearrow_forwardAre both statements correct? The kidneys control blood volume and blood pressure by regulating the volume of urine produced. The kidneys participate, with the skin and liver, in regulating vitamin D synthesis.arrow_forwardLiver failure would most directly affect which of the following factors which affect net filtration pressure in the kidney? capillary hydrostatic pressure capillary osmotic pressure capsular hydrostatic pressure capsular osmotic pressurearrow_forward
- 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 reninarrow_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_forwardwhich 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.arrow_forward
- calcitonin has what effect on the kidneys decreased glucose absorption increases glucose absorption decreases calcium reabsorption increases calcium reabsorptionarrow_forwardare the following statements true or falsearrow_forwardIn a diabetic with markedly elevated blood glucose, the glucose filtered at the glomerulus: Group of answer choices will be recovered using the countercurrent multiplier mechanism in the loop of Henle will be salvaged via reabsorption in the collecting duct so that none will be lost from the body will be recovered via secretion by the convoluted tubule will be reabsorbed by the collecting duct as a result of ADH secretion may exceed the maximum tubular reabsorption capacity and some glucose may be lost in the urinearrow_forward
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