Correct Answer: A

Rationale: The correct step to ensure effective medication delivery when using a metered-dose inhaler (MDI) is to exhale completely before using the inhaler. This action helps create more space in the lungs for the medication to reach deeply into the airways. Inhaling quickly while pressing down on the inhaler (Choice B) may cause the medication to impact the throat rather than reaching the lungs. Shaking the inhaler for 10 seconds before use (Choice C) is important to mix the medication but not the most crucial step for effective delivery. While holding the breath for 5 seconds after inhaling (Choice D) can help the medication stay in the lungs momentarily, exhaling completely before inhalation is more critical for optimal drug deposition.

Correct Answer: A

Rationale: The correct step to ensure effective medication delivery when using a metered-dose inhaler (MDI) is to exhale completely before using the inhaler. This action helps create more space in the lungs for the medication to reach deeply into the airways. Inhaling quickly while pressing down on the inhaler (Choice B) may cause the medication to impact the throat rather than reaching the lungs. Shaking the inhaler for 10 seconds before use (Choice C) is important to mix the medication but not the most crucial step for effective delivery. While holding the breath for 5 seconds after inhaling (Choice D) can help the medication stay in the lungs momentarily, exhaling completely before inhalation is more critical for optimal drug deposition.

Correct Answer: B

Rationale: The most important instruction the nurse should provide is to monitor pulse rate daily before taking the medication. Digoxin can lead to bradycardia, so it is crucial to assess the pulse rate before administering the medication. This practice helps ensure that the heart rate is not too low for the safe use of digoxin. Choice A is incorrect as there is no specific requirement to take digoxin with a high-fiber meal. Choice C is also incorrect because there is no need to avoid dairy products while on digoxin. Choice D is incorrect since blurred vision is not a common side effect of digoxin; hence, it is not the most critical instruction to provide.

Correct Answer: A

Rationale: The correct measure for skin care after external radiation treatment is to cleanse the radiated area with water and pat the skin dry. This gentle cleansing without harsh chemicals or friction helps protect the integrity of radiated skin, preventing irritation or further damage. Choice B is incorrect because massaging radiated skin can cause further irritation, which should be avoided. Choice C is incorrect as rinsing with normal saline and covering with a sterile towel may not be necessary and could potentially introduce infection due to excessive moisture. Choice D is incorrect as using a soft washcloth to remove skin markings can be too abrasive for radiated skin, risking damage and irritation.

Correct Answer: A

Rationale: The correct answer is to notify the anesthesiologist. When a client reports drinking water close to the time of surgery, it is important to inform the anesthesiologist as it can impact the administration of anesthesia. The anesthesiologist needs this information to make decisions regarding anesthesia administration. Documenting the intake in the medical record is important for documentation purposes, but the immediate action needed is to inform the anesthesiologist. Canceling the surgery is not necessary based solely on the intake of water; the anesthesiologist will determine the appropriate course of action. Instructing the client to fast until the surgery may not be appropriate without consulting the anesthesiologist first, as the situation needs to be assessed by the anesthesia team.