Correct Answer: A

Rationale: The highest priority nursing intervention for a client with thrombophlebitis of the left leg is to elevate the leg on 2 pillows. Elevating the leg helps reduce swelling and pain associated with thrombophlebitis by promoting venous return. Applying support stockings (choice B) can be beneficial but is not the highest priority as elevation is more effective in the acute phase. Applying warm compresses (choice C) may worsen the condition by dilating the blood vessels, leading to increased pain and swelling. Maintaining complete bed rest (choice D) is important, but elevation takes precedence to improve circulation and reduce the risk of complications.

Correct Answer: B

Rationale: The correct answer is B. During the age of 2 to 3 years old, children tend to eat very small, nutritious meals throughout the day rather than having three large meals. This behavior is typical for this age group as their appetites fluctuate. Choices A, C, and D are incorrect because while children of this age may start to prefer feeding themselves and begin using a toothbrush with assistance, they typically do not speak in longer sentences at this stage.

Correct Answer: D

Rationale: The PPD (purified protein derivative) intradermal test is the standard screening method for detecting tuberculosis infection. It helps identify individuals who have been infected with Mycobacterium tuberculosis. A chest x-ray (Choice A) is used to assess the extent of active disease, not for screening purposes. Blood culture (Choice B) is not typically used for tuberculosis screening. Sputum culture (Choice C) is used to confirm active tuberculosis in symptomatic individuals, not for initial screening purposes.

Correct Answer: D

Rationale: Ciprofloxacin can cause tendonitis and an increased risk of tendon rupture. Monitoring for tendonitis is crucial as it can lead to significant musculoskeletal issues. Choices A, B, and C are incorrect as hypertension, hypoglycemia, and hyperkalemia are not typically associated with ciprofloxacin use.

Correct Answer: A

Rationale: The correct answer is A: Primary prevention. Primary prevention aims to prevent the occurrence of a disease or injury before it happens. Teaching about hand hygiene to the community helps in preventing infections from occurring in the first place. Choice B, Secondary prevention, involves early detection and treatment to halt or slow the progress of a condition. This would involve screening or early intervention after exposure. Choice C, Tertiary prevention, focuses on managing the disease to prevent complications, recurrence, or deterioration. This would include rehabilitation and monitoring to prevent further complications. Choice D, Quaternary prevention, relates to actions taken to avoid unnecessary interventions or over-medicalization. This usually involves questioning the necessity of certain medical procedures or treatments to prevent harm to patients.