Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Textbook Question
Chapter 32.5, Problem 3CC
WHAT IF? If blood pressure in the afferent arteriole leading to a glomerulus decreased, how would the rate of blood filtration within Bowman's capsule be affected? Explain.
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19,
Which of the following would increase glomerular filtration?
Multiple Choice
constriction of efferent arteriole because it will increase blood flow to the glomerulus
constriction of afferent arteriole because it will increase blood flow to the glomerulus
increase in the osmotic pressure of blood in glomerular capillaries
increase in the hydrostatic pressure of filtrate in the glomerular capsule
This diagram illustrates which of the following
Choose from the following:
(A) secretion of hydrogen via Na+/H+ exchange ions by the proximal convoluted tubule
(B) reabsorption of bicarbonate ions by intercalated cells (A) in the collecting duct
(C) secretion of H+ by H+K+/ATPase pumps in the intercalated cells (A) in the collecting duct
(D) A and B
(E) all of the above
ch 25 act 9
please answer the questions in the picture attached
Chapter 32 Solutions
Campbell Biology in Focus
Ch. 32.1 - What properties do all types of epithelia share?Ch. 32.1 - Prob. 2CCCh. 32.2 - Prob. 1CCCh. 32.2 - Prob. 2CCCh. 32.2 - Prob. 3CCCh. 32.3 - Is it accurate to define homeostasis as a constant...Ch. 32.3 - Prob. 2CCCh. 32.3 - Prob. 3CCCh. 32.4 - What is the function of the filtration step in...Ch. 32.4 - What advantage does uric acid offer as a...
Ch. 32.4 - WHAT IF? A camel standing in the sun requires much...Ch. 32.5 - Prob. 1CCCh. 32.5 - Prob. 2CCCh. 32.5 - WHAT IF? If blood pressure in the afferent...Ch. 32 - The body tissue that consists largely of material...Ch. 32 - Prob. 2TYUCh. 32 - Which process in the nephron is least selective?...Ch. 32 - Homeostasis typically relies on negative feedback...Ch. 32 - Prob. 5TYUCh. 32 - In which of the following species should natural...Ch. 32 - Prob. 7TYUCh. 32 - Prob. 8TYUCh. 32 - Prob. 9TYUCh. 32 - Prob. 10TYUCh. 32 - Prob. 11TYUCh. 32 - SYNTHESIZE YOUR KNOWLEDGE These macaques (Macaca...
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- M6arrow_forwardASAP HELParrow_forward4. Given the net glomerular filtration pressure of 55 mm Hg, a plasma protein osmotic force (TTGC) = 12 mm Hg, and a fluid pressure in Bowman's space (PBS) = 10 mm Hg, what would be glomerular capillary blood pressure (PGC)? Would filtration be favored under these conditions? How do you know?arrow_forward
- 4) Measurements in a nephron reveal a glomerular hydrostatic pressure of 69 mm Hg, and a fluid pressure in the Bowman's capsule of 16 mm Hg. Assuming that the plasma colloid osmotic pressure is 33 mm Hg, and that essentially no plasma proteins are filtered by the glomerulus, what is the net glomerular filtration pressure in this case?arrow_forwardTubular transport maximum (Tm) is (a) the maximum rate at which a substance in the filtrate can be reabsorbed into the blood from the renal tubules (b) the most rapid rate at which urine can be transported through the ureter (c) the maximum rate at which a substance can be reabsorbed by theglomerulus (d) the maximum rate at which a substance can pass through the loop of Henle (e) the maximum amount of a substance that can be secreted into the filtratearrow_forwardNa+ ions are actively transported out of the tubules to help set up the countercurrent multiplier. Which of the following are sites of active Na+ ion transport in the nephron?arrow_forward
- Give typing answer with explanation and conclusionarrow_forward24arrow_forwardHow is the filtration that occurs in the glomerulus different from passive transport, active transport, or any form of membrane transport? 1. Filtration occurs between cells, not through them 2. Filtration only involves small substances, whereas membrane transport often deals with large substances 3. Filtration involves the movement of water, whereas passive transport doesn’t involve water movementarrow_forward
- 22 The condition interstitial cystitis is characterized by insufficient mucus production by the mucosa and submucosa of the urinary bladder. What signs and symptoms would you expect to see with interstitial cystitis? Why? 23 Predict how the functioning of the kidney might be affected if the microvilli in the proximal and distal convoluted tubules were destroyed. Explain your reasoning.arrow_forwardActivitie 3arrow_forward3. In order to maintain homeostasis (body water volume, plasma Na*) it is important to regulate Na* and water balance. First, identify the regions of the nephron that are permeable to Na* and H20. Second, tie together the epithelial transport mechanisms for Na* and H20 reabsorption and an idea of the magnitude of reabsorption from each nephron region. Hint: refer to the figure at the end of the Renal Processes lecture to help with context. 4. Review how urine is concentrated throughout the nephron (and the role of Na*, urea).arrow_forward
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