BIOD 121 Nutrition Exam 5 QUESTION AND ANSWERS

BIOD 121 Nutrition Exam 5 QUESTION AND ANSWERS 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.