Two weeks later, the nurse notes a change in Mrs. Rusk's weight. The nurse consults with the nutritionist, who helps complete a 24-hour calorie count. The nutritionist reports to the nurse that Mrs. Rusk, who weights 125 pounds and is 67 inches tall, is consuming 800 calories per day.

How should the nurse explain the results of the calorie count to Mr. and Mrs. Rusk?

A. Mrs. Rusk is taking in more calories than she needs and may gain weight
B. Mrs. Rusk is consuming an adequate number of calories for her height
C. Mrs. Rusk's calorie consumption is insufficient and will result in weight loss
D. Since Mrs. Rusk's activity is limited, her caloric intake is sufficient to meet her needs