Which of the Following Is True About α Motoneurons

Multiple Choice

Which of the following is true about α motoneurons?

A) They make synaptic contact with intrafusal muscle fibers.
B) They make synaptic contact with joints, thereby regulating the force that the muscle is capable of exerting.
C) They sense stretch of the muscle.
D) They are the presynaptic endings that comprise the neuromuscular junction.
E) They are the postsynaptic endings that comprise the neuromuscular junction.