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Author Question: A patient with Guillain-Barr syndrome developed atelectasis. His chest radiograph findings would be ... (Read 26 times)

azncindy619

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on: Jul 16, 2018
A patient with Guillain-Barr syndrome developed atelectasis. His chest radiograph findings would be expected to show:
 
  a. ground-glass appearance.
  b. honeycombing.
  c. increased opacity.
  d. blunted costophrenic angles.

Question 2

When a sample of arterial blood is analyzed for the pressure of oxygen (PaO2), the value comes from the:
 
  a. blood plasma.
  b. leukocytes.
  c. hemoglobin.
  d. erythrocytes.


ebenov

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

C
When atelectasis occurs, the chest radiograph will show increased opacity.

Answer to Question 2

A
A blood gas analyzer measures the pressure of oxygen and carbon dioxide in the blood plasma. Oxygen is chemically bound to the hemoglobin in the erythrocytes and is measured by an oximeter as the saturation, not as a partial pressure. Leukocytes do not carry oxygen.


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