What type of lubricant should be used for the airway?
  1. Oil-based
  2. Water-based
  3. Petroleum-based
  4. Lubricant should never be used.
Explanation
Answer - B - Only water-based lubricants should be used for the airway. Other types of lubricants, like petroleum, may cause further injury to the nasal mucosa and tissue and damage the nasopharyngeal airway.
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