Myelination Is Important in Development Because

question 21

Multiple Choice

Myelination is important in development because

• A) most of the growth of the brain is a result of myelination.
• B) new nerve cells cannot form until the older ones are myelinated.
• C) the pituitary does not function until the brain is almost completely myelinated.
• D) children cannot perform certain functions if the area of the brain controlling those functions is not myelinated.

---

Definitions:

Atria

The heart's two top chambers that take in blood from the veins and move it to the ventricles.

Cardiac Tamponade

A critical condition where fluid accumulates in the sac surrounding the heart, restricting its ability to pump blood.

Preload

The degree of stretch of the cardiac muscle fibers at the end of diastole, prior to contraction; it affects the force of contraction and cardiac output.

Stroke Volume

The amount of blood the heart pumps out of a ventricle with each beat.