Practice Quiz

NREMT EMR First Responder

Category - Pathophysiology

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All of the following are possible causes of ventilatory failure except:
  1. Injury to the chest
  2. Overdose or poisoning
  3. Disease such as lung cancer
  4. Acute blood loss
  5. Spinal cord injury
Explanation
Answer: D - Acute blood loss is not a cause of ventilator failure. Diseases such as lung cancer can cause ventilator failure by destroying the lungs’ ability to effectively expand and contract. A spinal cord injury can cause ventilator failure due to damage to the nerves that control breathing. An overdose or poisoning can cause the respiratory centers of the brain and spinal cord to stop activating; thus, causing lack of ventilation.
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