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PA Recertifying Exam PANRE Practice Exam

Category - PANRE Practice Test

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A patient is taken in the emergency vehicle due to a vehicular accident. He is in the early stage of shock. Which of the following characteristic is not true about early stages of shock?
  1. It is considered compensated
  2. The body is maintaining perfusion to vital organs
  3. Increased total peripheral resistance
  4. Metabolic acidosis
Explanation
Answer - D - During the early stages of shock, the body compensates for massive blood loss. The patient becomes tachycardic (due to increased total peripheral resistance), pulse pressure narrows, and the urine output is decreased (to maintain perfusion to vital organs). Metabolic acidosis is a characteristic of the progressive stage of shock. Acidosis occurs as a result of increasing hypoxemia.
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