Question

Using anabolic steroids when they are not medically necessary can result in (you may choose more than one answer): Select one or more:

a. heart attack

b. stroke

c. shrinking of testicles, sterility and impotence

d. liver cancer

When a muscle is relaxed, the myosin heads are Select one:

a. covered by actin

b. completely exposed

c. covered by myosin heads

d. covered by the troponin-tropomyosin complex