Ch 18 - Supplementation

Question 1

DRI

Answer 1

Dietary Reference Intake: guideline for adequate nutrient intake; includes RDA, AI, UL, and EAR

Question 2

EAR

Answer 2

Estimated Average Requirement: average intake level estimated to be sufficient for half of healthy individuals in a group

Question 3

RDA

Answer 3

Recommended Daily Allowance: average intake level sufficient for nearly all (97-98%) healthy individuals in a group

Question 4

AI

Answer 4

Adequate Intake: estimated intake assumed to be average for most healthy people in a group; used when RDA cannot be determined

Question 5

UL

Answer 5

Safe Tolerable Upper Limit: highest average intake likely to pose no risk of adverse effects to almost all individuals in a group

Question 6

B12 deficiency

Answer 6

mimics symptoms of Alzheimer’s/dementia in the elderly, can be reversed if treated early; often treated with injections

Question 7

ergogenic aid

Answer 7

something that boosts performance (“work-generating”)

Question 8

creatine supplementation

Answer 8

common among bodybuilders and strength athletes; can increase muscle mass, strength, and anaerobic performance; enhances ATP-PC system

Question 9

caffeine supplementation

Answer 9

can improve endurance exercise (over 1 hour) and short, high-intensity exercise (90 seconds to 5 minutes); take 3-6mg/kg bodyweight 1 hour before exercise (approx. 1 cup of coffee)