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.
Multiply your daily calories by the percentage of carbohydrates you require in your diet. For example, if you require 50 percent carbohydrates from a 2,000-calorie diet, multiply 2,000 by 0.50 to equal 1,000 calories from carbohydrates.ivide the result by four to convert calories to grams of carbs; each gram of carbohydrates produces four calories. One thousand calories divided by four equals 250 grams of carbohydrates daily.