Connect Access Card for Anatomy & Physiology
2nd Edition
ISBN: 9781259133008
Author: Michael McKinley, 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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when carbon dioxide accumulates in extracellular fluids, the pH___.
a: rises
B: falls
c: is unchanged
d: sometimes rises, sometimes falls
The carbonic acid equilibrium is shown below. Exhalation of CO2 by the lungs causes this equilibrium to shift to the ______, which causes the pH of the blood to _______.
H+ + HCO3- <=> H2CO3 <=> H2O + CO2
a) left; increase
b) left; decrease
c) right; decrease
d) right; increase
An increase in blood PH will ?
a. Increase hemoglobin saturation
B. Decrease hemoglobin saturation
C. Decrease heart rate
D. Decrease respiratory rate
Chapter 25 Solutions
Connect Access Card for Anatomy & Physiology
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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- Anatomy 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_forwardWith the Bohr effect, more oxygen is released because a(n)____. a) increase in pH(alkalosis) strengthens the hemoglobin-oxygen bond b) increase in pH(alkalosis) weakens the hemoglobin-oxygen bond c) decrease in pH (acidosis) weakens the hemoglobin-oxygen bond d) decrease in pH (acidosis) strengthens the hemoglobin-oxygen bondarrow_forwardWhy do you think this change in levels occurs about the oxygen levels as blood passes through the lungs? ?arrow_forward
- The 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_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_forwardIf a person has low blood pressure, what are some ways the body can compensate? A. Decrease ADH, Increase Aldosterone, Increase blood volume through activating thirst B. Increase in ADH, Increase in Aldosterone, Increase in thirst C. Decrease in ADH, Decrease in Aldosterone, Increase in thirst D. Increase ADH, Decrease Aldosterone, Decrease in thirst sensationarrow_forward
- Which 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_forwardIf you lacked vasopressin, how would your drinking change, if at all? a. Your drinking would not change. b. You would drink less. c. You would drink more.arrow_forwardWhich conditions would curve A most likely resemble? A. An individual with chronic obstructive pulmonary disease B. Increased H+ content C, Low temperatures D. An individual during moderate exercise E. CO2 poisoningarrow_forward
- In a patient with Cushing's syndrome, you would expect to find: a) Hyperkalemia b) Hypoglycemia c) Hyponatremia d) Hypertensionarrow_forwardMountain climbers may have difficulty at high elevations becausea. the partial pressure of oxygen is lower at higher elevations.b. more CO2 occurs at higher altitudes.c. the concentration of all elements of the air is lower at higher elevations.d. cooler temperatures restrict the metabolic activity of oxygen at high elevations.arrow_forwardSelect all the ways that other organs help to maintain blood pH during exercise, when the bloods buffer system can be overwhelmed. a) Kidneys add hydrogen ions. b) Other organs have no impact on blood pH. c) Hemoglobin releases hydrogen ions. d) Lungs remove carbon dioxide. e) Hemoglobin binds to hydrogen ions. f) Lungs add bicarbonate ions. g) Kidneys add dissolved carbon dioxide. h) Kidneys remove bicarbonate ions. i) Kidneys remove dissolved carbon dioxide.arrow_forward
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