PORTAGE LEARNING BIOD BIOD 121 Nutrition Exam 5

PORTAGE LEARNING BIOD BIOD 121 Nutrition Exam 5 Determine the maximum heart rate and the target zone for a 30 year old. 1. Maximum heart rate 2. Target zone to beats/minute 1. 190 2. (220-130=190) (190 x .6 = 114), (220-130=190) (190 x .9 =171) The primary fuel used for a 100 meter sprint would be Carbohydrates In what types of activities are fats an important source of energy? Fat is an important energy source for activities lasting more than 20 minutes that are performed at a low or moderate rate such weight lifting, hiking or a fast walk. Explain why your body can only rely on anerobic glucose breakdown for energy for a few minutes? Your body can’t rely on anerobic glucose breakdown for long due to the release of lactic acid. This is a byproduct of the glucose breakdown and can lead to muscle fatigue. 1. (A) can lead to serious consequences including heat exhaustion, cramps and (B) . For every pound lost during a workout 2 ½ to 3 cups of fluid should be consumed during the exercise or afterwards. 2. Sports beverages are good for events lasting greater than 60 minutes and provide carbohydrates, sodium and which will stimulate thirst and make the beverage taste good. 1.) A. Dehydration B. heatstroke 2.) potassium Which of the following is not characteristic of disordered eating? Exercising for fitness What is disordered eating? Disordered eating is a short term change in normal eating patterns related to a stressful event, illness or desire to change physical appearance. Which eating disorder best describes this scenario? Caitlin is extremely competitive and runs hurdles for her college team. This is her freshman year and she has noticed that she has gained the freshman 15 over the winter. When she and her coach get together they decide that she may need to lose a little weight to improve her performance. She restricts calories by skipping lunch, drinking diet colas in place of milk and watching what she eats. At the same time, spring practice has started and she makes sure she is at the track for an hour after practice to improve her performance. What she doesn’t realize is that by continuing her current eating patterns and exercise level she may actually be hurting her performance and her health. Female athlete triad Which eating disorder best describes this scenario? Although his parents encourage Tony to eat breakfast, he rarely feels hungry. Besides he can sleep in an extra 15 minutes if he skips breakfast. After school he has soccer practice then comes home for dinner. In the evening he studies and snacks. He usually goes to bed around 11:30 but rarely sleeps through the night. Once he wakes he checks out the left overs from dinner and makes a snack before heading back to bed. Night eating syndrome Which of the following is not a characteristic of Anorexia Nervosa? Food equals comfort What are the clinical guidelines for a diagnosis of anorexia nervosa? Body weight less than 85% of the normal for this persons age, height and gender and a BMI of less than or equal to 17 are clinical guidelines for a diagnosis Which of the following is not a characteristic of Bulimia Nervosa? Body weight less than 85% of the normal weight Explain what Night Eating syndrome is. The key sign of this disorder is that at least one third of a person’s calories are consumed after the evening meal. The individual awakens at least once during the night and needs to eat prior to falling back to sleep. Often there is a lack of hunger in the morning and the circadian rhythm (your body’s 24 hour clock) is out of sync. 1. is the most common form of malnutrition in developed as well as developing countries. 2. Food insecurity is the inability to get enough food or the and variety of the food is inadequate to meet nutrient needs. 1. Undernutrition 2. quality What are three strategies being used by the World Food Bank to counter undernutrition? The World Food Bank is currently working to implement three approaches to counter undernutrition; increasing diversity of the food supply, fortifying food with nutrients and providing nutrient supplementation.