Stimulants are one class of non-nutritional ergogenic aids currently banned by the International Olympic Committee (IOC). List two other classes of non-nutritional ergogenic aids that are banned.
anabolic steroids ✔
hormones and related substances ✔
diuretics and masking agents ✔
beta blockers ✔
Accept appropriate examples of classes of aids, not specific examples. Full names need to be used eg anabolic steroids not just steroids.
Explain the use of erythropoietin (EPO) by a cross-country skier.
EPO elevates / regulates red blood cell production
OR
increases hemoglobin concentration ✔
EPO
removes carbon dioxide from tissues ✔
a cross-country skier predominantly uses aerobic respiration ✔
EPO increases time to exhaustion/endurance capacity ✔
if no reference to skier.