Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 19.2, Problem 4CC
If net reabsorption into peritubular capillaries occurs, then capillary hydrostatic pressure must be (greater than/less than/ equal to) the capillary colloid osmotic pressure.
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Chapter 19 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 19.1 - Ion regulation is a key feature of kidney...Ch. 19.1 - What happens to the force of cardiac contraction...Ch. 19.2 - If net filtration out of glomerular capillaries...Ch. 19.2 - If net reabsorption into peritubular capillaries...Ch. 19.3 - Name one way in which filtration and secretion are...Ch. 19.3 - A water molecule enters the renal corpuscle from...Ch. 19.3 - Prob. 7CCCh. 19.4 - Why is the osmotic pressure of plasma in efferent...Ch. 19.4 - If a hypertensive persons blood pressure is...Ch. 19.4 - If systemic blood pressure remains constant but...
Ch. 19.4 - A person with cirrhosis of the liver has...Ch. 19.7 - If plasma creatinine = 1.8 mg/100 mL plasma, urine...Ch. 19 - List and explain the significance of the five...Ch. 19 - List and explain the six major kidney functions.Ch. 19 - At any given time, what percentage of cardiac...Ch. 19 - Prob. 4RQCh. 19 - Arrange the following structures in the order that...Ch. 19 - Name the three filtration barriers that solutes...Ch. 19 - Prob. 7RQCh. 19 - What does the abbreviation GFR stand for? What is...Ch. 19 - Identify the following structures, then explain...Ch. 19 - In which segment of the nephron does most...Ch. 19 - Match each of the following substances with its...Ch. 19 - Prob. 12RQCh. 19 - Prob. 13RQCh. 19 - Prob. 14RQCh. 19 - Map the following terms. You may add terms if you...Ch. 19 - Define, compare, and contrast the items in the...Ch. 19 - What are the advantages of a kidney that filters a...Ch. 19 - Prob. 18RQCh. 19 - Diagram the micturition reflex. How is this reflex...Ch. 19 - Antimuscarinic drugs are the accepted treatment...Ch. 19 - Draw a section of renal tubule epithelium showing...Ch. 19 - Prob. 22RQCh. 19 - Read the box on hemodialysis on p. 603 and see if...Ch. 19 - Graphing question: You are given a chemical Z and...Ch. 19 - Prob. 25RQCh. 19 - Prob. 26RQCh. 19 - Dwight was competing for a spot on the Olympic...Ch. 19 - You are a physiologist taking part in an...Ch. 19 - If 140 liters of plasma are filtered in a day, and...
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- The status of the afferent arteriole during high renin activity is.... a. vasoconstricted b. vasodilatedarrow_forwardWhy does the glomerulus have a high-pressure capillary network? Explain.arrow_forwardWhen the tempreture drops for the human skin "for example if I touch something cold or ice" , vasoconstration or vasodilation occures?arrow_forward
- A patient arrives at the emergency department withdangerously low blood pressure. The patient’s blood colloid osmotic pressure is normal. How would you expectthis situation to affect the patient’s net filtration pressure?arrow_forwardWhich is TRUE of the RAAS pathway? angiotensin Il directly leads to vasoconstriction and stimulates aldosterone which promotes Na+ reabsorption at the cortical collecting duct ANP stimulates the RAAS pathway, while ADH/vasopressin inhibits the RAAS pathway increased plasma volume directly puts extra pressure on the afferent arteriole and indirectly increases pressure in the distal tubule, both of which lead to stimulation of renin release angiotensin Il promotes activation of the parasympathetic system which decreases GFR low plasma Na+ is sensed by the proximal tubule and triggers release of renin from JGA cellsarrow_forwardRenal is a process that yields relatively constant GFR with fluctuating blood pressure in the kidney, occurring through (two words) where the smooth muscle of the afferent arteriole constricts when stretched and a tubuloglomerular feedback mechanism which occurs when the are activated by rising NaCl concentrations and increased flow rates.arrow_forward
- Which of these structures is least permeable to passage of material across the filtration membrane Choose from the following: (A) arrows - fenestra of the capillary endothelium (B) arrowhead - filtration slit bridging the gap between the pedicelsarrow_forwardPredict the consequences of stenosis (narrowing) of the right renal artery, a condition that reducesblood flow into the affected kidney. In your answer, consider the blood pressure in afferent arteriolesin the right versus the left kidneys and the systemic blood pressure. What treatment could be offeredto a person with this condition?arrow_forwardWhat mechanism ensures that blood pressure at the glomerulus is higher than in a tupical capillary bed?arrow_forward
- Which condition will cause the body to activate the renin-angiotensin- aldosterone system (RAAS)? Decreased perfusion to the liver Decreased perfusion to the brain Decreased perfusion to the lungs Decreased perfusion to the kidneyarrow_forwardWhy doesn’t the blood flowing through medullary capillaries eliminate the countercurrent gradient set up by the loops of Henle?arrow_forwardWrite the formula for determining net filtration pressure in the capillaries.arrow_forward
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