Anatomy & Physiology: An Integrative Approach
2nd Edition
ISBN: 9780078024283
Author: Michael McKinley Dr., Valerie O'Loughlin, Theresa Bidle
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 25, Problem 8DYKB
An increase in blood CO2 levels is followed by a(n) _____ in blood H+ levels and a(n) _____ in blood pH.
- a. decrease; decrease
- b. increase; increase
- c. decrease; increase
- d. increase; decrease
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Students have asked these similar questions
If you hold your breath for a long time, body CO2 levels are likely to ____, and the pH of body fluids is likely to ____.a. increase; increaseb. decrease; increasec. increase; decreased. decrease; decrease
Carbon dioxide (CO2) is readily soluble in water, according to the equation CO2 + H2O 2 H2C03.
Carbonic acid (H2CO3) is a weak acid. Respiring cells release CO2 into the bloodstream. What will be
the effect on pH of blood as that blood first comes in contact with respiring cells?
A. Blood pH will decrease slightly.
B. Blood pH will increase slightly.
C. Blood pH will first increase, and then it decreases as CO2 combines with hemoglobin.
D. Blood pH will first decrease, and then it increases sharply as CO2 combines with hemoglobin.
The chloride shifta. promotes the transport of CO2 in the blood.b. occurs when Cl− replaces HCO3− within red blood cells.c. maintains electrical neutrality in red blood cells and the plasma.d. All of these are correct
Chapter 25 Solutions
Anatomy & Physiology: An Integrative Approach
Ch. 25.1 - Prob. 1WDYLCh. 25.1 - Which ions are more prevalent in the intracellular...Ch. 25.1 - What is the major distinction in the chemical...Ch. 25.1 - Prob. 4WDYLCh. 25.2 - What are the two major sources of fluid intake?...Ch. 25.2 - How would you distinguish fluid deficiency from...Ch. 25.2 - Prob. 7WDYLCh. 25.2 - Which of these four hormonesangiotensin II,...Ch. 25.3 - Why do electrolytes exert a greater osmotic...Ch. 25.3 - Prob. 10WDYL
Ch. 25.4 - Prob. 11WDYLCh. 25.4 - How does the homeostatic system involving ADH...Ch. 25.4 - How does aldosterone influence the contents and...Ch. 25.4 - Prob. 14WDYLCh. 25.5 - What is meant by acid-base balance?Ch. 25.5 - How are fixed acids distinguished from volatile...Ch. 25.5 - How do the kidneys regulate fixed acids to help...Ch. 25.5 - Prob. 18WDYLCh. 25.5 - What are the three chemical buffering systems, and...Ch. 25.5 - Prob. 20WDYLCh. 25.6 - How does a compensated acid-base imbalance differ...Ch. 25.6 - Prob. 22WDYLCh. 25.6 - What is the primary cause of metabolic alkalosis?Ch. 25.6 - Prob. 24WDYLCh. 25 - Prob. 1DYKBCh. 25 - _____ 2. The fluid compartment with the largest...Ch. 25 - _____3. Which of the following would result in...Ch. 25 - _____4. If an individual has decreased saliva...Ch. 25 - _____5. Which hormone decreases total body fluid,...Ch. 25 - Which of the following describes an electrolyte?...Ch. 25 - Prob. 7DYKBCh. 25 - An increase in blood CO2 levels is followed by...Ch. 25 - Which of the following is not a chemical buffer in...Ch. 25 - The kidney can act to buffer the blood by a....Ch. 25 - List the three variables that determine the...Ch. 25 - Describe the movement of water between the...Ch. 25 - Prob. 13DYKBCh. 25 - Explain the homeostatic system involving the renin...Ch. 25 - Describe how ANP is regulated and how it opposes...Ch. 25 - Describe the functions of Na+ and how it is...Ch. 25 - Describe what occurs in the kidney to maintain...Ch. 25 - Prob. 18DYKBCh. 25 - List the three chemical buffers, and describe how...Ch. 25 - Describe respiratory acidosis and its...Ch. 25 - Maria brings her baby to the emergency room. She...Ch. 25 - Prob. 2CALCh. 25 - Prob. 3CALCh. 25 - Harold has been suffering from diabetes mellitus...Ch. 25 - Prob. 5CALCh. 25 - Morgan is a nurse at the local hospital. She...Ch. 25 - Ms. Taylor, 68 years old, has been vomiting for 2...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- In the arterial blood of a healthy person, the quantity of CO2 dissolved in solution is a. less than 0.7% of the total amount of CO2 carried b. about 7% of the total amount of CO2 carried c. about 70% of the total amount of CO2 carried d. about equal to the amount carried as carbaminohaemoblobin e. about equal to the amount carried as bicarbonatearrow_forwardWhich of these three paracrine chemicals causevasodilation?a. ATPb. adenosinec. nitric oxidearrow_forwardWhich of the following is characterized as metabolicalkalosis?a. increased pH, decreased pCO2, decreased HCO3–b. increased pH, increased pCO2, increased HCO3–c. decreased pH, decreasedpCO2, decreased HCO3–d. decreased pH, increased pCO2, increased HCO3–arrow_forward
- Bicarbonate ion concentrations in the blood are controlled through the ________.a. respiratory systemb. renal systemc. digestive systemd. metabolic rate of cellsarrow_forwardThe chloride shift occurs..... a. To help keep the bicarbonate equilibrium reaction moving from left to right at the tissues. b. to prevent an increase in blood pH c. in response to bicarbonate movement into the plasma d. to maintain charge balance.arrow_forwardAnatomy and Physiology Rebecca is found to have acidosis. She has elevated PCO2 and [HCO3]. Which of the following is false? A. her acidosis was caused from excess CO2 reacting with water to form carbonic acid B. this is a metabolic acidosis C. her blood pH is lower than normalarrow_forward
- Which of the following is consistent with respiratory alkalosis?a. an increase in alveolar ventilation during mild exerciseb. hyperventilationc. an increase in plasma HCO32d. an increase in arterial CO2e. urine pH < 5.0arrow_forwardWhich of the following statements is true for Bohr effect: a. Bohr effect describes carbon monoxide poisoning. b. Bohr effect prevents oxygen binding to hemoglobin. c. Bohr effect allows effective oxygen discharge in tissues due to higher acidity (decreased pH) than in lungs. d. Bohr effect allows effective oxygen discharge in tissues due to lower acidity (increased pH) than in lungs.arrow_forwardWhich of the following is characterized as metabolic alkalosis?a. increased pH, decreased pCO2, decreased HCO3–b. increased pH, increased pCO2, increased HCO3–c. decreased pH, decreased pCO2, decreasedHCO3–d. decreased pH, increased pCO2, increased HCO3–arrow_forward
- Which of the following statements regarding the role of the respiratory system in the acid-base status of the body is NOT TRUE? A. Non-volatile acids are excreted by ventilation B. Volatile acids are excreted by ventilation. OC. Hyperventilation can result in a respiratory alkalosis. D. Hypoventilation can result in a respiratory acidosis OE. Ventilation adjusts the PCO2-bicarbonate buffer system.arrow_forwardDuring a severe bout of pneumonia, Eduardo had difficulties breathing. His PaCO2 was elevated and he became acidotic. Describe how CO2 travels from the tissues to the lungs to be expelled from the body. In doing so, describe the various forms that CO2 takes along the way. Finally, describe how CO2 levels affect blood pH.arrow_forwardWhich of these is a true statement?a. In lung capillaries, carbon dioxide combines with water toproduce carbonic acid.b. In tissue capillaries, carbonic acid breaks down to carbondioxide and water.c. In lung capillaries, carbonic acid breaks down to carbondioxide and water.d. In tissue capillaries, carbonic acid combines with hydrogenions to form the carbonate ion.e. All of these statements are true.arrow_forward
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