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Author Question: Which of the following are likely to cause errors in SpO2 readings? 1. Anemia 2. Deeply pigmented ... (Read 29 times)

xroflmao

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on: Jul 16, 2018
Which of the following are likely to cause errors in SpO2 readings? 1. Anemia 2. Deeply pigmented skin 3. Motion due to shivering 4. Significant tachycardia
 
  a. 1 and 3 only
  b. 1, 2, and 3 only
  c. 2 and 4 only
  d. 1, 2, 3, and 4

Question 2

What is the normal approximate value for O2 consumption?
 
  a. 150 ml/min
  b. 200 ml/min
  c. 250 ml/min
  d. 300 ml/min


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brbarasa

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
Intense daylight and fluorescent, incandescent, xenon, and infrared light sources have caused errors in pulse oximetric readings. Anemia and deeply pigmented skin can affect the accuracy of pulse oximetry; however, the effect of anemia is not clinically significant until the hemoglobin level is markedly reduced.

Answer to Question 2

ANS: C
Normal resting O2 consumption is approximately 250 ml/min and O2 consumption increases with activity, stress, and temperature.


xroflmao

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Reply #2 on: Jul 16, 2018
TY


brbarasa

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Reply #3 on: Jul 16, 2018
Happy to Help


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