Fast-Oxidative (Type IIa) Fibers

Multiple Choice

Fast-oxidative (type IIa) fibers

A) contain very few mitochondria
B) can be converted into fast-glycolytic fibers by regular resistance activities
C) are most abundant in muscles specialized for maintaining low-intensity contractions for long periods of time without fatigue
D) can be converted into fast-glycolytic fibers by regular resistance activities and are most abundant in muscles specialized for maintaining low-intensity contractions for long periods of time without fatigue
E) all of these