Heading 1NormalDivePhase INo Spacing3. When our tissues are burning metabolic fuel they produce protons and carbondioxide. The enzymecarbonic anhydrase uses water to convert most of the carbondioxide into carbonic acid.Heading 2i) Describe the change of the blood carbondioxide concentration of the swimmer from Phase I to theend of Phase II (do NOT explain the other phases)?ii) How does this change of the blood carbondioxide concentration impact on the pH of the blood ofthe swimmer from Phase I to the end of Phase II (do NOT explain the other phases)?25 metres head under waterPhase IITitleiii) explain the chemical reasoning behind the impact on pH from Phase I to the end of Phase II (doNOT explain the other phases).StylesPane25 metres head above waterPhase IIIi) The blood carbon dioxide concentration of the swimmer will decrease from theDicta

The bicarbonate (HCO3-) buffer system maintains blood pH and CO2 concentration. The bicarbonate…

Answered: 3. When our tissues are burning…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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1. A woman who had been vomiting for 3 days was taken to the emergency department at University of Chicago by her family. The following blood measurements were obtained: pH = 7.6; PCO2 = 48 mmHg; and HCO3- = 37 mEq/L. A) Name the acid-base disorder you suspect that she has? And explain why you have selected this acid- base disorder. B) Provide a physiologic explanation for Gastrointestinal, Respiratory, and Renal changes that are taking place to either cause or compensate for the acid-base disorder.
Which statement BEST distinguishes metabolic acidosis from respiratory acidosis ? Metabolic acidosis occurs due to changes in blood glucose as opposed to changes in PO2 and PCO2 . Metabolic acidosis is a disturbance in blood pH caused by something other than an abnormal PCO2 . PCO 4s Metabolic acidosis occurs due to changes in PO2 as opposed to Metabolic acidosis occurs due to changes in bicarbonate as opposed to PCO2
19. In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO2 decrease of 10 mm Hg below 40 mm Hg will be associated with which of the following changes?a. [HCO3-] decreases by approximately 10 mEq/L. b. [HCO3-] decreases by approximately 5 mEq/L. c. [HCO3-] decreases by approximately 2 mEq/L. d. [HCO3-] decreases by approximately 1 mEq/L.
3. As part of a physiology experiment, Hardy Breath, an anatomy and physiology student, is asked to breathe through a 3-foot long glass tube. What effect does this action have on his blood pH, urine pH, and respiratory rate?
23. If a healthy person is given an infusion of hypertonic saline (3% NaCl), which of the following findings in plasma is most likely? OA) Plasma [ADH(vasopressin)] pg/mL 10 B) 5-E 0- DK 300 C 280 290 Plasma osmolality (mOsmol/L) O Control before infusion C) B 310 D) OE)
When bacteria such as E. coli are starved to a sufficient extent, they become nonmotile. However, when such bacteria are placed in an acidic solution, they resume swimming. Explain
Give an example of respiratory alkalosis and one of metabolicacidosis. In each case, explain how your example illustrates thattype of acid–base disturbance.
17. In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO2 rise of 10 mm Hg will be associated with which of the following changes?a. [HCO3-] rises by approximately 10 mEq/L. b. [HCO3-] rises by approximately 5 mEq/L. c. [HCO3-] rises by approximately 2 mEq/L. d. [HCO3-] rises by approximately 1 mEq/L.
1. Why is it important to drink water immediately after taking aspirin? How is the stomach wall affected? Write an equation for the reaction that occurs when aspirin is hydrolyzed in the body.
36. What are the two main functions of the loop of Henle? ----------------- A. Create a low salt concentration in the medulla and reabsorb some salt and water B. Create a high salt concentration in the medulla and reabsorb water C. Create a high salt concentration in the renal cortex and reabsorb some salt and water D. Filter cellular wastes from blood in the capillaries and reabsorb some salt and water E. All are correct depends on the segment of the loop of Henle
1) A diver decides to take a balloon with him on a scuba diving excursion to a depth of 10m. The size (volume) of the balloon would _____. A) remain the same throughout the dive B) decrease on the way down and return to its original size on the way back up C) increase on the way down and shrink back to its original size on the way back up 2) How does the size of the air bladder compare between freshwater and salt water fish? A) freshwater fish have larger air bladders because they need to be less dense B) freshwater fish have smaller air bladders because they need to be less dense C) saltwater fish have larger air bladders because they need to be less dense D) freshwater and salt water fish have the same size air bladders because the air bladders play no role in osmoregulation or maintaining salt balance 2) Physoclistous fish fill their air bladders by _____. A) going to the surface and gulping air B) using the carbon dioxide that they produce through aerobic metabolism C)…

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