Correct Answer: B

Rationale: In this scenario, the nurse should adjust the machine settings. If the electronic blood pressure machine is providing varied intervals and inconsistent readings, it indicates a potential malfunction. Changing the settings may help correct the issue and ensure accurate measurements. Discontinuing the machine and measuring manually every 15 minutes (Choice A) may be time-consuming and impractical. Cleaning the machine (Choice C) is important for routine maintenance but may not address the current issue of varied intervals and inconsistent readings. Increasing the frequency of the readings (Choice D) does not address the problem of inaccurate measurements caused by the malfunctioning machine.

Correct Answer: A

Rationale: When providing mouth care for an unconscious client, the nurse should turn the client's head to the side. This action helps prevent aspiration by allowing any fluids to drain out of the mouth, reducing the risk of choking or aspiration pneumonia. Placing fingers into the client's mouth can be dangerous and may cause injury. Brushing the client's teeth only once a day may not be sufficient for proper oral hygiene care. Injecting mouth rinse into the center of the mouth is not recommended and can potentially lead to aspiration. Therefore, the correct action for the nurse to take is to turn the client's head to the side.

Correct Answer: C

Rationale: The appearance of eyeballs that appear to 'pop' out of the client's eye sockets, known as exophthalmos, requires quick intervention as it is a severe symptom of Graves' disease. Exophthalmos can indicate an acute condition and may lead to serious complications such as optic nerve damage or corneal ulceration. Weight loss, restlessness, and irritability are common manifestations of hyperthyroidism but do not pose immediate risks compared to the ocular complications associated with exophthalmos.

Correct Answer: B

Rationale: The correct answer is B because the ability to demonstrate the appropriate technique shows that the client has acquired the psychomotor skills needed for insulin preparation. Merely discussing, stating an understanding, or writing the steps does not confirm that the client can physically perform the task correctly. Being able to demonstrate indicates practical application and mastery of the skill. Choice A is incorrect because discussing the technique does not necessarily mean the client can physically perform it. Choice C is incorrect as stating an understanding does not guarantee the client's ability to perform the task. Choice D is incorrect because writing the steps does not assess the client's physical execution of the technique.

Correct Answer: C

Rationale: Providing the client with washcloths to fold is a non-restrictive intervention that can help distract and engage the client, potentially reducing the need for restraints. This action promotes a therapeutic and calming environment for the confused client. Placing the client in a room away from the nurses' station (Choice A) may not address the underlying issue of confusion and agitation. Limiting the client's visitors (Choice B) may not directly assist in managing the client's behavior. Closing the door of the client's room (Choice D) does not actively engage the client in a therapeutic intervention to address the behavior.