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.
There are 170 calories in 1 taco of Taco Bell Crunchy Taco, with Seasoned Beef. You'd need to walk 44 minutes to burn 170 calories. Visit CalorieKing to see calorie count and nutrient data for all portion sizes.