What Occurs When Gamma Motor Neurons to a Muscle Are

Multiple Choice

What occurs when gamma motor neurons to a muscle are activated?

A) The muscle spindle goes slack.
B) The contractile ends of intrafusal fibers elongate.
C) The muscle lengthens.
D) Extrafusal muscle fibers within that muscle are inhibited from contracting.
E) Action potential firing increases in afferent neurons from the muscle spindles.