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98) Hydrogen ions in the filtrate within the collecting ducts are buffered by the presence of ________.A) phosphateB) bicarbonateC) carbon dioxideD) glutamineE) proteinsAnswer: ADiff: 6 Page Ref: 56199) In order to compensate for a hyperventilation, the ________.ADiff: 5 Page Ref: 56221
100) Which of the following is NOT a compensation that would occur in response to a metabolicacidosis?CDiff: 4 Page Ref: 562101) A patient is exhibiting several signs of acid-base imbalance. Blood tests reveal that blood pH is 7.3, and bicarbonate and carbon dioxide levels in blood are both low. What is the state of this patient?ADiff: 7 Page Ref: 562102) A patient is exhibiting several signs of acid-base imbalance. Blood tests reveal that blood pH is 7.5, and bicarbonate and carbon dioxide levels in blood are both low. What is the state of this patient?A) metabolic acidosis with respiratory compensationB) respiratory acidosis with renal compensationC) metabolic alkalosis with respiratory compensationD) respiratory alkalosis with renal compensationE) blood pH is normalAnswer: DDiff: 7 Page Ref: 56319.2 True/False Questions1) The transport of material across the gastrointestinal tract normally leads to a net gain of solutes and water by the body.Diff: 3 Page Ref: 5362) In a state of negative balance, the quantity of a substance in the plasma tends to increase.Diff: 3 Page Ref: 5363) The balance of a solute depends solely on its intake to and output from the body.Diff: 4 Page Ref: 53622
4) Consumption of salty foods without drinking water will increase plasma osmolarity and cause cells to shrink.Diff: 3 Page Ref: 5375) There is no secretion of water within the renal tubules.Diff: 3 Page Ref: 5396) In the proximal tubule, urea is the primary solute increasing the osmolarity for water reabsorption.Diff: 4 Page Ref: 5477) In both the proximal and distal tubules, the reabsorption of sodium involves the active transport of sodium across the basolateral membrane.Diff: 4 Page Ref: 5398) Near the renal pelvis, the osmolarity of the medullary interstitial fluid is 300 mOsm.