Correct Answer: A

Rationale: Administering oxygen is the priority nursing action for a patient experiencing shortness of breath. Oxygen therapy aims to improve oxygenation levels quickly, addressing the underlying cause of the symptom. Repositioning the patient, checking oxygen saturation, and elevating the head of the bed are important interventions but administering oxygen takes precedence in this scenario to ensure adequate oxygen supply to the body.

Correct Answer: C

Rationale: The correct answer is C: 'Avoid crossing your legs when sitting.' After a total hip arthroplasty, it is important for clients to avoid crossing their legs to prevent complications such as dislocation. Crossing the legs can put strain on the new hip joint, increasing the risk of dislocation. Choice A is incorrect as crossing legs can be harmful. Choice B is incorrect as bending at the waist can strain the hip joint, leading to complications. Choice D is incorrect as using a raised toilet seat is recommended after hip surgery to prevent excessive bending at the hip joint.

Correct Answer: A

Rationale: The correct answer is A, Methylergonovine. Methylergonovine is contraindicated in clients with preeclampsia due to the risk of hypertension. Misoprostol (choice B), Dinoprostone (choice C), and Oxytocin (choice D) are appropriate medications for managing postpartum hemorrhage and are not contraindicated in clients with preeclampsia.

Correct Answer: A

Rationale: The correct answer is Hypokalemia. Diuretics, such as furosemide, commonly cause potassium loss in patients, leading to hypokalemia. This electrolyte imbalance should be closely monitored to prevent complications like cardiac arrhythmias. Hypercalcemia (Choice B) is not typically associated with diuretic use. Hyponatremia (Choice C) involves low sodium levels and can occur in conditions like syndrome of inappropriate antidiuretic hormone secretion (SIADH) but is not directly caused by diuretics. Hypermagnesemia (Choice D) is an excess of magnesium, usually not a common electrolyte imbalance induced by diuretics.

Correct Answer: D

Rationale: Correct Answer: The nurse should instruct the patient to wear loose clothing over the radiation site. This helps prevent skin irritation and promotes healing by reducing friction and irritation on the treated area.\nChoice A is incorrect because applying a heating pad can further irritate the skin that is already sensitive due to radiation therapy.\nChoice B is incorrect because scented lotions may contain ingredients that could further irritate the skin.\nChoice C is incorrect because covering the radiation site with a bandage can trap moisture and lead to skin breakdown, increasing the risk of infection.