Correct Answer: D

Rationale: The correct intervention when a client develops redness and warmth at the IV site, indicating phlebitis, is to discontinue the IV and notify the provider. This is crucial to prevent further complications. Elevating the IV site and applying an ice pack (Choice A) may not address the underlying issue of phlebitis. Administering an anti-inflammatory medication (Choice B) is not the primary intervention for phlebitis. Applying a cold compress (Choice C) may provide temporary relief but does not address the need to discontinue the IV when phlebitis occurs.

Correct Answer: B

Rationale: The correct intervention when managing a client with delirium is to identify any reversible causes. Delirium can be caused by various factors such as infections, medications, dehydration, or metabolic imbalances. Administering antipsychotic medications (Choice A) may worsen delirium and should be avoided unless necessary for specific indications. Providing a low-stimulation environment (Choice C) is beneficial as it can help reduce agitation and confusion in individuals with delirium. Increasing environmental stimulation (Choice D) is contraindicated as it can exacerbate symptoms in delirious patients. Therefore, the priority should be on identifying and addressing reversible causes to effectively manage delirium.

Correct Answer: B

Rationale: The correct answer is B: Provide humidified oxygen. Providing humidified oxygen helps prevent dryness and irritation of the respiratory tract during oxygen therapy. This intervention is crucial in preventing complications such as mucous membrane dryness and potential damage to the airways. Checking the client's oxygen saturation every 2 hours (choice A) is essential for monitoring the client's response to therapy but does not directly prevent complications. Instructing the client to perform deep breathing exercises (choice C) is beneficial for respiratory function but does not directly address preventing complications related to oxygen therapy. Using an oxygen mask for delivery (choice D) is a common method of administering oxygen but does not specifically focus on preventing complications like dryness and irritation.

Correct Answer: B

Rationale: The correct first action for a client with an NG tube experiencing nausea and decreased gastric secretions is to irrigate the NG tube with sterile water. This can help clear any blockages in the tube, which may be causing the symptoms. Positioning the client on their left side may be helpful for enteral feedings but is not the priority in this situation. Replacing the NG tube should not be the initial step unless irrigation fails to resolve the issue. Increasing the suction setting without attempting to clear the blockage can be harmful to the client.

Correct Answer: C

Rationale: An oxygen saturation of 90% is below the expected reference range and could indicate respiratory depression, a serious side effect of morphine. This finding requires immediate attention as it may lead to hypoxia. Nausea (choice A) is a common side effect of morphine but does not pose an immediate threat. A urinary output of 20 mL/hr (choice B) may indicate decreased renal perfusion but is not as critical as respiratory compromise. A respiratory rate of 14/min (choice D) is within the normal range and does not suggest immediate danger.