Question 115 · LEK · Laboratory tests

Which of the following laboratory test is the first critical parameter determined in unconscious patient’s blood at the emergency department?

  1. A. glucose concentration.
  2. B. arterial blood gas test.
  3. C. carboxyhemoglobin concentration.
  4. D. hemoglobin concentration.
  5. E. potassium concentration.
Hint

Choose the test that is quickest to obtain and reveals a cause of coma that can be reversed within minutes.

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