Correct Answer: B

Rationale: The correct answer is B. Clients with Crohn's disease require routine colonoscopies to monitor disease progression and complications. This helps healthcare providers assess the status of the disease and make informed treatment decisions. Choice A is incorrect because while fiber may be beneficial for some digestive conditions, it can exacerbate symptoms in Crohn's disease. Choice C is incorrect as whole grains can be a good source of nutrients unless they individually trigger symptoms in the client. Choice D is also incorrect since a low-fat diet is not a specific requirement for managing Crohn's disease.

Correct Answer: D

Rationale: A temperature of 38.8°C (101.8°F) is above the normal range and may indicate infection, which should be reported. Elevated temperature postoperatively can be a sign of infection, especially in the early postoperative period. Serosanguineous drainage on the surgical dressing is expected in the early postoperative period. A heart rate of 88/min and a blood pressure of 118/76 mm Hg are within normal ranges and do not necessarily indicate a complication postoperatively.

Correct Answer: C

Rationale: The correct action to maintain a sterile field is to avoid reaching over it. This prevents contamination of the sterile environment by reducing the risk of unintentionally dropping microorganisms from non-sterile areas onto the sterile field. Opening sterile packages using the flap closest to your body first (choice A) is a good practice but not directly related to maintaining the sterile field. Donning sterile gloves before opening the sterile package (choice B) is crucial for maintaining sterility but not specific to maintaining the sterile field. Placing sterile items at least 2.5 cm (1 in) from the edge of the sterile field (choice D) is important to prevent accidental contamination, but it is not the primary action to maintain the sterile field.

Correct Answer: A

Rationale: The correct answer is to verify the client's blood type with the provider's prescription. This is crucial to prevent an adverse transfusion reaction due to incompatibility. Ensuring the blood type matches before starting the transfusion is a standard safety practice. Option B, ensuring client consent, is important but not directly related to preventing a transfusion reaction. Option C, administering a diuretic, is unnecessary and can be harmful in this context. Option D, checking the client's temperature, is important for general assessment but not specifically focused on preventing a transfusion reaction.

Correct Answer: C

Rationale: Corrected Rationale: Vision changes are a common sign of digoxin toxicity, which can be serious and should be reported to the provider immediately. Changes in heart rate, blood pressure, or respiratory rate are not typically associated with digoxin toxicity. Therefore, the nurse should prioritize reporting vision changes to ensure prompt assessment and intervention.