LooseLeaf for Human Anatomy
5th Edition
ISBN: 9781259285271
Author: Michael McKinley Dr., Valerie O'Loughlin, Elizabeth Pennefather-O'Brien
Publisher: McGraw-Hill Education
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Chapter 27, Problem 3CR
Summary Introduction
To determine:
The flow of blood into and out of the kidney and mention the structures that carry oxygenated and deoxygenated blood. List the structures that help in the reabsorption of materials and gas exchange.
Introduction:
Kidneys are paired bean-shaped organs present in the left and right retroperitoneal space. The kidney contains millions of nephrons. The nephron is the filtration unit of the kidney.
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Explain the role of renin-angiotensin - aldosterone pathway in restoring blood pressure and fluid balance. Include the stimulus for release, the pathway that is involved, and the physiological effects of angiotensin II and aldosterone.
Answer should include:
Identify stimulus/change that starts the pathway (i.e. Identify the direction of change IN BP or circulating fluid status)
What happens in the juxtaglomerular cells? Clue: what stimulus causes the release of renin?
Explain action of renin - what protein does it act on? What is it converted to?
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What are the actions of angiotensin 2? Clue: stimulates adrenal context to produce what? And what effect does angiotensin 2 have on blood vessels?
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How is BP restored ? Explain how this relates to equation for BP ( BP= CO x TPR)
Chapter 27 Solutions
LooseLeaf for Human Anatomy
Ch. 27 - What organs make up the urinary tract, and what is...Ch. 27 - Describe the mechanisms by which the kidneys...Ch. 27 - Prob. 3WYLCh. 27 - Prob. 4WYLCh. 27 - Prob. 5WYLCh. 27 - Prob. 6WYLCh. 27 - Prob. 7WYLCh. 27 - Prob. 8WYLCh. 27 - Prob. 9WYLCh. 27 - Prob. 10WYL
Ch. 27 - Prob. 11WYLCh. 27 - Prob. 12WYLCh. 27 - Prob. 13WYLCh. 27 - Prob. 14WYLCh. 27 - Prob. 15WYLCh. 27 - Prob. 16WYLCh. 27 - Prob. 17WYLCh. 27 - Match each numbered item with the most closely...Ch. 27 - Prob. 1MCCh. 27 - Prob. 2MCCh. 27 - Prob. 3MCCh. 27 - Prob. 4MCCh. 27 - The arteries located at the corticomedullary...Ch. 27 - Prob. 6MCCh. 27 - Prob. 7MCCh. 27 - Prob. 8MCCh. 27 - Reabsorption is the movement of fluid and solutes...Ch. 27 - The micturition reflex controls a. urine...Ch. 27 - Prob. 1CRCh. 27 - Describe the connective tissue coverings that...Ch. 27 - Prob. 3CRCh. 27 - Prob. 4CRCh. 27 - Prob. 5CRCh. 27 - Prob. 6CRCh. 27 - What prevents urine stored in the urinary bladder...Ch. 27 - Prob. 8CRCh. 27 - Trace the course of fluid movement, beginning with...Ch. 27 - What is the cause of a urinary tract infection?...Ch. 27 - Prob. 1DCRCh. 27 - Males who suffer from either benign prostatic...
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- 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 ductarrow_forwardWhy is excretion important in order to achieve osmotic balance?arrow_forwardDescribe (and label on a diagram) the structures of a nephron (including associated blood vessels) and give the functions of each structure.arrow_forward
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