2. Which of the following statements is not true of HIV? a. People who look normal and healthy may be infected with HIV.
b. HIV affects only homosexual men and drug users.
c. Engaging in high-risk behavior may result in becoming infected with HIV.
d. Teens are one of the fastest-growing groups of people being infected with HIV.
3. Which of the following phrases best describes HIV?
a. an epidemic disease that has spread quickly throughout the world
b. a disease that rarely occurs in Eastern Europe
c. a virus that primarily infects cells of the immune system
d. a disease that is rarely fatal in most countries

Mrs. kirby, 58, is a moderately active woman. she works in the garden almost daily, occasionally walks with her friends, and babysits her three very active young grandchildren every weekend. she eats a fairly standard diet every day: she has cereal with milk and coffee for breakfast, some kind of salad for lunch, and a piece of meat or fish with a healthy of veggies for dinner. she usually skips desserts or has just a couple of strawberries. when asked to look at the food labels and calculate her intake of carbohydrates, fats, and proteins in grams over the entire day, on an average day, she came up with the following numbers: carbohydrates: 243 g fats: 41 g proteins: 63 g calculate what percentage of mrs. kirby's total energy intake came from carbohydrates.