Correct Answer: B

Rationale: The correct answer is B because a new onset of tachypnea can indicate a respiratory complication, which requires immediate assessment. Sinus arrhythmia, epidural analgesia with weakness, and a hemoglobin A1C level of 6.8% in a client with diabetes do not pose immediate life-threatening concerns that require urgent assessment compared to the potential respiratory issues associated with tachypnea.

Correct Answer: C

Rationale: The correct action the nurse should take is to place the client in a prone position for 30 minutes four times a day. This position helps prevent contractures after an amputation by stretching the hip flexors and preventing shortening of the residual limb. Keeping the residual limb flat on the bed (Choice A) may lead to contractures. Elevating the residual limb on a pillow (Choice B) can also cause contractures and hinder proper healing. Keeping the residual limb dependent (Choice D) is not recommended as it does not promote proper positioning and circulation.

Correct Answer: A

Rationale: Correct Answer: Checking the client's respiratory rate is the priority before administering morphine because morphine can depress respiration. This action helps the healthcare professional assess the client's baseline respiratory status and detect any potential respiratory depression that may be exacerbated by morphine. Choice B, administering naloxone, is incorrect because naloxone is used as an antidote for opioid overdose and not routinely administered before giving morphine. Choice C, checking the client's pain level, is important but not the first action to take before administering morphine. Choice D, assessing the client's blood pressure, is also important but not the initial priority compared to evaluating respiratory status when preparing to administer morphine.

Correct Answer: A

Rationale: The correct answer is to place the client in a private room with negative airflow. This is crucial for preventing the spread of tuberculosis (TB) infection. Option B, wearing an N95 respirator when caring for the client, is important for staff protection but does not address the need for isolation precautions. Option C, placing the client in a positive pressure room, is incorrect as TB clients should be in negative pressure rooms to prevent the spread of airborne pathogens. Option D, maintaining the client on droplet precautions, is not sufficient for TB, which requires airborne precautions.

Correct Answer: A

Rationale: The correct answer is A: 'Take a tablet every 5 minutes for pain relief, up to three doses.' Nitroglycerin sublingual tablets are used to relieve chest pain or to prevent chest pain before activities known to cause angina. The tablets should be taken every 5 minutes for pain relief, up to three doses, as prescribed. Choice B is incorrect because nitroglycerin sublingual tablets should be placed under the tongue until they dissolve, not taken with water. Choice C is incorrect because nitroglycerin sublingual tablets should not be chewed but placed under the tongue for absorption. Choice D is incorrect because nitroglycerin tablets should be stored in their original container at room temperature away from light and moisture.