What is the primary purpose of administering insulin to a patient with diabetes?

Correct Answer: A

Rationale: The correct answer is A: 'Regulate blood glucose levels.' Administering insulin to a patient with diabetes helps regulate blood glucose levels by facilitating the uptake of glucose into cells, thereby lowering high blood sugar levels. This process aims to prevent hyperglycemia and its associated complications. Choice B, 'Increase metabolism,' is incorrect as the primary role of insulin is not to increase metabolism directly. Choice C, 'Prevent complications,' is partially correct as regulating blood glucose through insulin administration does help prevent complications associated with uncontrolled diabetes, but it is not the primary purpose. Choice D, 'Promote insulin sensitivity,' is incorrect as insulin itself is administered to compensate for the lack of endogenous insulin in diabetic patients, rather than to promote sensitivity to it.

Correct Answer: B

Rationale: When caring for a patient with a central line, monitoring for infection is a crucial nursing responsibility. This is essential to prevent complications such as bloodstream infections. While flushing the line with saline and monitoring fluid balance are important aspects of care, they are not as critical as monitoring for infection. Replacing the central line is only done when necessary due to complications or at the end of its recommended use.

Correct Answer: A

Rationale: The correct answer is to administer epinephrine. Epinephrine is the first-line treatment for severe allergic reactions because it rapidly reverses the symptoms of anaphylaxis by constricting blood vessels, increasing heart rate, and relaxing airway muscles. Corticosteroids, although helpful to reduce inflammation, are not the priority in the acute management of severe allergic reactions. Oxygen may be needed to support breathing, but it is not the initial priority. Antihistamines are not as effective as epinephrine in treating severe allergic reactions and should not be the first intervention.

Correct Answer: A

Rationale: A low protein diet is the appropriate choice for a patient with chronic kidney disease because it helps to reduce the buildup of waste products in the body, which the kidneys may struggle to filter out. High protein diets can put extra strain on the kidneys by increasing the workload to eliminate the byproducts of protein metabolism. While low sodium and low potassium diets can also be important for managing certain aspects of kidney disease, the primary focus should be on controlling protein intake to lessen the burden on the kidneys.

Correct Answer: A

Rationale: Observing facial expressions is essential in assessing pain levels in non-verbal patients. Non-verbal cues, such as facial grimacing, furrowed brows, or clenched jaws, can provide valuable information about the patient's pain experience. Using the Wong-Baker faces scale or assessing heart rate may not be as effective in non-verbal patients as they are unable to communicate their pain through these methods. Asking the patient to rate their pain is also not suitable for non-verbal patients as they may not have the ability to verbally communicate their pain levels.