Basic pulmonary function tests available in the ambulatory setting include spirometry and pulse oximetry; these tests provide physiologic measures of pulmonary function and can be used to quickly narrow a differential diagnosis and suggest a subsequent strategy of additional testing or therapy.
There are 257 calories in 1 Soft Taco with Beef, Cheese and Lettuce. Calorie breakdown: 41% fat, 37% carbs, 21% protein.
A majority of, if not all, options come with cheese. Individuals with specific dietary needs must indicate so at the onset of orders to avoid contamination from unwanted ingredients. The lightest fare in terms of traditional Taco Bell menu items include bean burritos, soft-shell tacos, and hard-shell tacos. Nutritional data for the veggie-based bean burrito option suggests 380 calories for a single serving (190 grams).