The client with type 1 DM asks why it is necessary to rotate injection sites when managing insulin therapy. The nurse's best response is:

Correct Answer: C

Rationale: Rotating injection sites is necessary to ensure more consistent insulin absorption. This practice helps maintain stable blood glucose levels by preventing the formation of lipohypertrophy (fatty lumps under the skin) at injection sites. Choices A and B are incorrect as the primary purpose of rotating injection sites is not focused on preventing skin irritation or scar tissue buildup. While rotating injection sites may contribute to reducing pain over time, the primary benefit is the consistency in insulin absorption to support glycemic control, making choice D less relevant.

Correct Answer: A

Rationale: The correct answer is to monitor blood glucose levels before meals and at bedtime. This timing allows for a comprehensive understanding of how the body responds to food intake and to assess fasting glucose levels. Monitoring blood glucose only after meals (Choice B) may miss important pre-meal fluctuations. Checking glucose levels only in the morning (Choice C) overlooks the impact of meals throughout the day. Monitoring blood glucose only when feeling unwell (Choice D) is reactive and does not provide consistent data for managing diabetes effectively. Therefore, monitoring blood glucose before meals and at bedtime helps in maintaining good glucose control and preventing complications.

Correct Answer: A

Rationale: The priority nursing diagnosis for a client with Addison's disease is 'Fluid volume deficit.' Addison's disease is characterized by adrenal insufficiency, resulting in decreased aldosterone production. Aldosterone plays a key role in sodium and water retention in the body. With its deficiency, there is an increased risk of dehydration and electrolyte imbalance, leading to fluid volume deficit. While infection risk, nutrition issues, and body image disturbances are also important considerations for holistic care, addressing the fluid volume deficit takes precedence due to the immediate physiological impact on the client's health and well-being.

Correct Answer: B

Rationale: A client with hyperparathyroidism is at risk for osteoporosis, not hypocalcemia, hypokalemia, or hyponatremia. Hyperparathyroidism results in increased levels of parathyroid hormone, which causes excessive breakdown of bone tissue to release calcium into the bloodstream. This process can lead to weakened bones and an increased risk of osteoporosis. Hypocalcemia is unlikely in hyperparathyroidism as the condition is characterized by elevated calcium levels due to the abnormal activity of the parathyroid glands. Hypokalemia and hyponatremia are not directly associated with hyperparathyroidism; they are more commonly linked to other conditions affecting potassium and sodium levels in the body.

Correct Answer: C

Rationale: Propranolol is a beta-blocker commonly used in the management of hyperthyroidism. It works by blocking the effects of adrenaline, resulting in a decrease in heart rate and blood pressure. Choice A is incorrect because propranolol does not increase metabolism; instead, it may have a mild inhibitory effect. Choice B is incorrect as propranolol is not primarily used to reduce anxiety, although it may have some anxiolytic effects. Choice D is incorrect as propranolol actually decreases blood pressure by blocking the effects of adrenaline on the heart and blood vessels.