NCLEX Practice Test PN Related

Review NCLEX Practice Test PN related questions and content

An adult client is receiving oxygen at 6 L/min. The client asks the nurse why the oxygen is running through bubbling water. What should be included in the nurse's reply?

  • A. The water cools the oxygen and makes it more comfortable.
  • B. Oxygen is very drying to tissues; the water humidifies it.
  • C. The water prevents fires when oxygen is in use.
  • D. The water helps to prevent infections from developing in the tubing.
Correct Answer: B

Rationale: Bubbling water in oxygen delivery systems humidifies the oxygen, preventing mucosal drying. It doesn't cool oxygen, prevent fires, or reduce infections.