An adult is receiving nasal oxygen at 6 L/min. The client asks the nurse why the oxygen is humidified. What should the nurse include when responding to the client?
- A. Humidifying oxygen helps to prevent fire.
- B. Humidity increases the concentration of oxygen.
- C. Humidity helps to keep the nasal passages from drying out.
- D. Humidity reduces the growth of organisms in the tubing.
Correct Answer: C
Rationale: Humidification prevents nasal mucosal drying and discomfort at higher oxygen flow rates like 6 L/min, not fire prevention, concentration increase, or bacterial reduction.
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A 9 year-old is taken to the emergency room with right lower quadrant pain and vomiting. When preparing the child for an emergency appendectomy, what must the nurse expect to be the child's greatest fear?
- A. Change in body image
- B. An unfamiliar environment
- C. Perceived loss of control
- D. Guilt over being hospitalized
Correct Answer: C
Rationale: For school-age children, major fears are loss of control and separation from friends/peers.
The parent of a 6-year-old calls the nurse and reports that the child was playing outside in the snow and the child's feet now appear red and swollen. What is the best response by the nurse?
- A. Bring the child to the health care provider's (HCP) office immediately.
- B. Give your child something warm to drink.
- C. Massage the child's feet gently until they warm up.
- D. Place the child's feet in warm water immediately.
Correct Answer: D
Rationale: Red and swollen feet suggest frostbite or cold injury. Immersing the feet in warm (not hot) water is the safest and most effective way to rewarm the tissue and prevent further damage.
A nurse is reinforcing appropriate interventions with the parent of an infant who had a febrile seizure. Which instruction is appropriate to review?
- A. Give acetaminophen or ibuprofen every 6-8 hours to control fever.
- B. Give the infant frequent tepid sponge baths to control the fever.
- C. If the infant develops another seizure, wait 15 minutes to see if it subsides.
- D. Place ice bags under the arms and around the neck to control fever.
Correct Answer: A
Rationale: Administering acetaminophen or ibuprofen every 6-8 hours helps control fever, reducing the risk of recurrent febrile seizures in infants.
Following a typanoplasty, the nurse should maintain the client in which position?
- A. Semi-Fowler's with the operative ear facing down
- B. Low Trendelenburg with the head in neutral position
- C. Flat with the head turned to the side with the operative ear facing up
- D. Supine with a small neck roll to allow for drainage
Correct Answer: C
Rationale: After tympanoplasty, the client should be positioned flat with the head turned to the side and the operative ear facing up to promote healing and prevent pressure on the surgical site. Answer A is incorrect because the operative ear should face up, not down. Answer B is incorrect because low Trendelenburg is not indicated. Answer D is incorrect because a neck roll may not ensure proper positioning of the operative ear.
The nurse enters a client's room and finds that the client and spouse are crying. The spouse states that the health care provider just diagnosed the client with Alzheimer disease. What is the best response by the nurse?
- A. Do you have any questions about the diagnosis?
- B. There are medications available to treat Alzheimer disease.
- C. This new diagnosis must be frightening for you.
- D. We can help you make decisions about your care.
Correct Answer: C
Rationale: Acknowledging the emotional impact of the diagnosis validates the client's and spouse's feelings, fostering therapeutic communication and trust.
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