Analyze Figure 8

Multiple Choice

Analyze figure 8.10. In the text Which of the following can NOT be concluded from these data?

A) Multiple motor units are equally active at any given contractile force.
B) Increasing the strength of a muscle contraction involves the recruitment of multiple motor units
C) Recruitment of additional motor units leads to greater contractile force of a muscle
D) It is possible to distinguish the activity of different motor units in humans