What is the primary chemical event in respiratory acidosis? a. ...

[armygirl]

What is the primary chemical event in respiratory acidosis?
 
  a. Decrease in blood CO2 levels
  b. Decrease in blood HCO3 levels
  c. Increase in blood CO2 levels
  d. Increase in blood HCO3 levels

Question 2

What is a normal response of the body to a failure in one component of the acid-base regulatory mechanism?
 
  a. Autoregulation
  b. Compensation
  c. Correction
  d. Homeostasis

[jessicaduplan]

Answer to Question 1

ANS: C
A high PaCO2 increases dissolved CO2, lowering the pH:
pH HCO3/PaCO2
where means decreased, means no change, and means increased. Respiratory disturbances caus-ing acidemia are called respiratory acidosis.

Answer to Question 2

ANS: B
When any primary acid-base defect occurs, the body immediately initiates a compensatory re-sponse.