Summer 2011 I NFECTIOUS D ISEASE Any microorganism that can cause a disease such as a bacterium, virus, parasite, or fungus. Reasons that the organism will cause an infection are virulence (ability to multiply and grow), invasiveness (ability to enter tissue), and pathogenicity (ability to cause disease). ORTAL OF E XIT The place where the organism leaves the reservoir, such as the respiratory tract (nose, mouth), intestinal tract (rectum), urinary tract, or blood and other body fluids.
Calories in Carbs. Each gram of carbohydrates contains 4 calories. If a food label lists the food as having 10 g of carbohydrates, then it contains 40 calories from carbohydrates. How to Calculate How Many Carbohydrates Per Serving on a Nutrition Label.
If you decide to use carbohydrate counting as your approach to meal planning, you'll learn how many grams of carbohydrates are in each of the foods you eat and keep track of how much you eat. In the carbohydrate counting method, 15 grams of carbohydrate is equal to one carbohydrate serving. How many grams of carbohydrate you need each day depends on how many calories you need to stay at a healthy weight. A woman who needs about 1,500 calories a day will aim for 180 to 195 grams of carbohydrate or about 12 to 13 carbohydrate servings a day.