In adult humans, alpha motor neurons are
A) small and unmyelinated.
B) small and myelinated.
C) large and unmyelinated.
D) large and myelinated.

Question

Quizplus · Accepted Answer

Alpha motor neurons in adult humans are large and myelinated. They are responsible for conveying motor commands from the spinal cord to skeletal muscles. The large size of these neurons allows for rapid conduction of signals to the muscles, while the myelin sheath provides insulation and speeds up the signal transmission.

In Adult Humans, Alpha Motor Neurons Are