Correct Answer: A

Rationale: According to the Health Belief Model, the most effective event to increase compliance with the prescribed diet for a middle-aged male client with diabetes is experiencing a significant consequence related to the disease. In this case, visiting his diabetic brother who just had surgery to amputate an infected foot would serve as a strong 'cue to action,' increasing the client's perceived seriousness of the disease. This event is likely to have a more immediate and impactful effect on the client than other options. Option B provides valuable information but may not have the same personal and emotional impact as witnessing a severe consequence firsthand. Option C involves indirect exposure to prevention messages, which might not be as compelling as a direct experience. Option D, while supportive, does not present a direct consequence of non-compliance like option A does.

Correct Answer: B

Rationale: The correct answer is B. Sleep apnea is characterized by pauses in breathing during sleep, often due to a collapsed or blocked airway. Obesity and having a short, thick neck are risk factors for sleep apnea because excess fat around the neck can obstruct the airway. Option A (middle-aged female who takes a diuretic nightly) does not present as a common risk factor for sleep apnea. Option C (adolescent female with a history of tonsillectomy) may have had tonsils removed, which could reduce the risk of sleep apnea. Option D (school-aged male with a history of hyperactivity disorder) is not directly associated with an increased risk of sleep apnea.

Correct Answer: D

Rationale: The nurse needs to determine at what time of day the client takes the Lasix. Due to the diuretic effect of Lasix, clients should take the medication in the morning to prevent nocturia, which may be contributing to the sleep difficulties. Asking about the dose of medication (Choice A) is important but addressing the timing of intake is more crucial in this situation. Inquiring about potassium-rich foods (Choice B) is relevant for clients on potassium-sparing diuretics. Weight loss (Choice C) may be relevant for monitoring the client's overall health but is not directly related to the sleep issue in this case.

Correct Answer: D

Rationale: The correct answer is 'D: Feelings of dizziness.' Feelings of dizziness may occur as a result of a decreased heart rate, leading to decreased cardiac output, which can be an indication of pacemaker failure. Teaching the client to recognize symptoms of decreased cardiac output, like dizziness, is crucial for early detection of pacemaker malfunction. Choices A, B, and C are less specific to pacemaker failure and are not commonly associated with this condition. Facial flushing, fever, and pounding headache are not typical signs of pacemaker failure and are not directly related to cardiac output, making them less relevant for teaching the client about pacemaker failure.

Correct Answer: C

Rationale: During an ophthalmoscopic examination, the client should focus on a distant object behind the examiner to dilate the pupil, and the examiner should stand at a distance of 12-15 inches away and slightly to the side. This angle allows for better visualization of the retina. Holding the ophthalmoscope firmly against the examiner's face and shining the light into the client's pupil helps examine the retina effectively. Choice A is incorrect because the client should look at a distant object, not the examiner's nose. Choice B is incorrect as the ophthalmoscope should be directed towards the client's eye, not the examiner's eye. Choice D is incorrect because keeping the ophthalmoscope at least 3 inches away may not provide an optimal view of the retina.