Which of the Following Is True of the Growth Spurts

question 25

Multiple Choice

Which of the following is true of the growth spurts of the brain?

• A) The first major growth spurt of the brain occurs during the fourth and fifth months of prenatal development.
• B) The first major growth spurt of the brain occurs between the 25th week of prenatal development and the end of the second year after birth.
• C) The first growth spurt of the brain is due primarily to the proliferation of dendrites and axon terminals.
• D) The second growth spurt of the brain is due to the formation of neurons.

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Definitions:

Pituitary Gland

A small endocrine gland located at the base of the brain that produces hormones regulating growth, metabolism, and reproduction.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the outer layer of skin, nails, hair, and nervous system.

Nervous Tissue

A tissue type located in the brain, spinal cord, and peripheral nerves.

Amnion

A thin, protective membrane that surrounds the embryo in the uterus, part of the amniotic sac that contains the amniotic fluid.