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.
You'll find many items for under 350 calories and under 10 grams of fat at Taco Bell. In fact, many of the tacos are under 200 calories. The Crunchy Taco, for example, has 170 calories and 9 grams of fat. Or a Chicken Soft Taco for 160 calories and 5 grams of fat. Order them together and you've got a meal for 430 calories.