70. A 68-year-oldman with chronic respiratoryacidosis has an arterial pHof 7.34 and an arterial PCO2 of 55 mm Hg. Which of the following best explains the compensatory response to the acidosis? A) Decreased HCI secretion by the stomach B) Decreased tubular secretion of HCO," by the kidneys C) Increased CO2 excretion by the lungs O D) Increased HCO3" reabsorption by the kidneys E) IncreasedHCO,"transport by the choroid plexus
70. A 68-year-oldman with chronic respiratoryacidosis has an arterial pHof 7.34 and an arterial PCO2 of 55 mm Hg. Which of the following best explains the compensatory response to the acidosis? A) Decreased HCI secretion by the stomach B) Decreased tubular secretion of HCO," by the kidneys C) Increased CO2 excretion by the lungs O D) Increased HCO3" reabsorption by the kidneys E) IncreasedHCO,"transport by the choroid plexus
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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70. A 68-year-oldman with chronic respiratoryacidosis has an arterial pHof 7.34 and an arterial PCO2 of 55 mm Hg. Which of the following best explains the compensatory response to the acidosis?
A) Decreased HCI secretion by the stomach
B) Decreased tubular secretion of HCO," by the kidneys
C) Increased CO2 excretion by the lungs
O D) Increased HCO3" reabsorption by the kidneys
E) IncreasedHCO,"transport by the choroid plexus
Expert Solution
Step 1
When the lungs are unable to completely expel the carbon dioxide that the body creates, a condition known as respiratory acidosis develops. In particular, the blood becomes too acidic as a result of this.
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