How many grams of nitrogen is a 60 KG female receiving if she is on 2700 kcals of parenteral nutrition at a calorie to nitrogen ratio of 150:1?

To determine the number of grams of nitrogen a 60 kg female is receiving while on parenteral nutrition, we first need to understand the calorie-to-nitrogen ratio provided in the question. The ratio is given as 150:1, which means that for every 150 calories, there is 1 gram of nitrogen.

Given that the patient is receiving 2700 kcals of parenteral nutrition, we can calculate the amount of nitrogen by using the calorie-to-nitrogen ratio.

First, divide the total caloric intake by the caloric ratio:

2700 kcal ÷ 150 kcal/g nitrogen = 18 g of nitrogen.

Thus, the correct answer is 18 grams of nitrogen. This calculation highlights the essential relationship between caloric intake and nitrogen requirements in parenteral nutrition, which is crucial for maintaining nitrogen balance and supporting protein synthesis in patients receiving nutritional support.