Why is it advantageous to consume multiple types of carbohydrates (ex: glucose and fructose) instead of just glucose during prolonged (>2.5 hours) endurance exercise?

How and why does caffeine affect exercise performance? 

Extra credit (1 point): In what sport did Dr. Lynch compete during high school?

Maria started soccer practice weighing 135 pounds. After her 2-hour practice she weighed 133 pounds. She drank 32 oz of water and urinated 12 oz. What is her sweat rate (L/hour)? (Note: 1 fl oz = 30 ml, 1 kg sweat loss = 1 L sweat loss) 

The point where the beams cross represented by number 4is most closely related to the:

Your roommate runs the 800 m for the track team, and he/she asks you if you think it would be wise for him/her to go on a low carbohydrate diet. What would you recommend and why? Base your rationale upon likely physiological and performance changes. 

Imani is a 21-year old female swimmer (120 pounds, 18% body fat) who is a student on her university’s swim team. She usually trains three hours per day (2 hours of vigorous swimming and 1 hour of strength training or additional swimming). Calculate her estimated nutrient needs, listing: (12 points) Example: Total kcal = 2939 kcal/day CHO total grams 436 g the g/kg amount you used to determine this 8 g/kg PRO total grams 85 g the g/kg amount you used to determine this 1.5 g/kg Fat (total grams) Please show all of your work!   Important information: Cunningham equation to calculate resting metabolic rate (RMR): 370 + 21.6(FFM) PAL: Sedentary: 1.25 Low level of physical activity: 1.5 Active: 1.75 Very active: 2.2

The fulcrum is represented by:

Phantom images most commonly occur when the tube motion is ____ to the long axis of the structure.

____________ is crucial to the production of thyroid hormone and its absence leads to symptoms that include _________________.