Which Developmental Change in the Brain Occurs After Birth

question 31

Multiple Choice

Which developmental change in the brain occurs after birth?

• A) The number of dendrites and synapses increases until adolescence, when they are reduced.
• B) The number of axons increases and the number of dendrites decreases throughout adolescence and adulthood.
• C) No developmental changes occur after birth because all the neurons the brain will ever have are present at birth.
• D) New neurons grow until adolescence, when they begin to die.

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Definitions:

Lateral Compartment

An area or division, often in reference to the sections of limbs that are situated on the outer side.

Fibularis Longus

A muscle on the lateral side of the lower leg that helps in foot eversion and plantar flexion.

Plantaris

A small, thin muscle in the leg that assists in flexing the foot.

Posterior Thigh

The back part of the thigh, comprising muscles like the hamstrings that are involved in extension of the hip and flexion of the knee.