You are first on the scene of a 61-year-old female in need of assistance with her respirations. you have a pocket mask with supplemental oxygen. how can you determine that your artificial ventilation is effective?
a. patient's skin color remains the same.
b. patient's pulse returns to normal.
c. you are assisting respirations at 10 breaths per minute.
d. you assure oxygen is being delivered at 15 liters per minute.

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.