The Nurse Is Teaching a Group of Students About Myelinization

The nurse is teaching a group of students about myelinization in a child. Which statement by the students indicates that the teaching was successful?

A) Myelinization is completed by 4 years of age.
B) The process occurs in a head-to-toe fashion.
C) The speed of nerve impulses slows as myelinization occurs.
D) Nerve impulses become less specific in focus with myelinization.