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.
One Beef Fresco Crunchy Taco is 150 calories and only 13 carbohydrates. Other healthy Fresco options are the Fresco Soft Taco (180 calories, 22 carbs), the Fresco Ranchero Chicken Soft Taco (170 calories, 22 carbs), and the Grilled Chicken Taco Fresco Style (160 calories, 20 carbs).