Correct Answer: B

Rationale: The correct answer is B: Client is allergic to eggs. The influenza vaccine is contraindicated in individuals with an allergy to eggs because some influenza vaccines are produced using egg-based processes. Choices A, C, and D are not contraindications for administering the influenza vaccine. A low-grade fever, recent surgery, and corticosteroid therapy are not contraindications for receiving the influenza vaccine.

Correct Answer: A

Rationale: The correct answer is to check INR levels. Before administering warfarin, it is crucial to check the INR levels to ensure they are within the therapeutic range. This helps to prevent complications such as bleeding or clotting. Choice B, administering it with food, is incorrect as warfarin should typically be taken on an empty stomach. Choice C, monitoring blood glucose, is unrelated to the administration of warfarin. Choice D, assessing liver function, is important but not the immediate action required before administering warfarin.

Correct Answer: A

Rationale: The correct answer is to instruct the client to monitor for rash. Valproic acid can lead to severe skin rashes, and patients must be vigilant to report any rash promptly. Choice B is incorrect as valproic acid is more likely to cause weight gain. Choice C is incorrect because valproic acid is associated with birth defects and should be avoided during pregnancy. Choice D is incorrect as valproic acid is a prescription medication and not available over-the-counter.

Correct Answer: B

Rationale: The correct answer is B. Nitroglycerin tablets should be stored in a cool, dark place to maintain their potency. Storing them correctly ensures that they remain effective when needed. Choices A, C, and D are incorrect. Taking one tablet every hour is not the correct dosing regimen for nitroglycerin. Nitroglycerin is usually taken as needed at the onset of chest pain, with specific instructions from the healthcare provider. Taking nitroglycerin with food or antacids is not necessary, as it is usually placed under the tongue for rapid absorption.

Correct Answer: D

Rationale: The correct answer is D: Airborne. Tuberculosis is spread through small droplets that remain airborne for longer periods, hence requiring airborne precautions. Choice A - Contact precautions are used for diseases spread by direct or indirect contact. Choice B - Droplet precautions are for diseases transmitted by large respiratory droplets that can travel short distances. Choice C - Protective isolation is not necessary for tuberculosis, as it is not spread through contact with the client.