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Author Question: A patient, age 22, is admitted with acute asthma. The patient shows a pulse oximetry level of SaO2 ... (Read 94 times)

cagreen833

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on: Jul 11, 2018
A patient, age 22, is admitted with acute asthma. The patient shows a pulse oximetry level of SaO2 of 82. How should the nurse interpret this?
 
  a. Only 82 of the red blood cells are able to use oxygen.
  b. There is only 82 of oxygen bound to the hemoglobin compared with the amount available.
  c. Eighteen percent of oxygen is not dissolved in the blood.
  d. The muscular respiratory effort is only 18 effective.

Question 2

The nurse takes into consideration that age-related changes can affect the peripheral circulation because of:
 
  a. sclerosed blood vessels.
  b. hypotension.
  c. inactivity.
  d. poor nutrition.


izzat

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Reply #1 on: Jul 11, 2018
Answer to Question 1

ANS: B
An SaO2 indicates that only 82 of the available oxygen is bound to the hemoglobin.

Answer to Question 2

ANS: A
Aging causes sclerotic changes in the blood vessels that lead to decreased elasticity and narrowing of the vessel lumen.


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