Final answer:
The client should include milk in her diet as it has the greatest amount of calcium, which is necessary after removal of the parathyroid glands due to its role in bodily functions and bone health.
Step-by-step explanation:
To a client who has had a thyroidectomy with removal of the parathyroid glands, it is critical to include foods high in calcium in the diet to prevent hypocalcemia. Among the options provided, milk has the greatest amount of calcium. It is important not only for bone health but also to support bodily functions that rely on calcium, particularly when the body's natural regulation of calcium by the parathyroid glands has been disrupted.
Additionally, other excellent sources of calcium include leafy green vegetables like spinach, broccoli, and dairy products such as cheese. While chicken and bananas provide nutritional value, they are not as high in calcium compared to milk and dairy products. Salmon and canned sardines with bones, nuts, beans, and fortified foods are also good dietary sources of calcium.