13.1 Brain Development and Organization

Which structures compose the central nervous system?

• Spinal cord and ganglia

• Brain and cranial nerves

• Brain and spinal cord

• Cerebrum and cerebellum

How many pairs of cranial nerves are associated with the human brain?

• Thirteen pairs

• Twelve pairs

• Eleven pairs

• Ten pairs

Which list correctly names the four major regions of the adult brain?

• Prosencephalon, metencephalon, myelencephalon, cortex

• Telencephalon, medulla, cortex, cerebellum

• Cerebrum, midbrain, pons, cerebellum

• Cerebrum, diencephalon, brain stem, cerebellum

Which terms describe relative positions in brain anatomy, with one being anterior and the other posterior?

• Medial and lateral

• Rostral and caudal

• Superior and inferior

• Dorsal and ventral

What are the folds and shallow depressions on the outer surface of the adult brain called?

• Gyri and sulci

• Sulci and fissures

• Gyri and nuclei

• Fissures and lobes

Tags

NGSS.MS-LS4-2

During neurulation, which embryonic tissue gives rise to the nervous system?

• Neural crest

• Ectoderm

• Mesoderm

• Endoderm

Which primary brain vesicles form by late in the fourth week of development?

• Prosencephalon, mesencephalon, rhombencephalon

• Metencephalon, myelencephalon, cerebellum

• Telencephalon, diencephalon, mesencephalon

• Midbrain, pons, medulla

By the fifth week, the primary vesicles subdivide into five secondary vesicles. Which pairing is correct for the forebrain (prosencephalon)?

• Diencephalon and rhombencephalon

• Telencephalon and diencephalon

• Metencephalon and myelencephalon

• Telencephalon and mesencephalon

Which secondary vesicle does the mesencephalon (midbrain) form?

• Telencephalon

• It does not form a new vesicle

• Metencephalon

• Myelencephalon

Which adult structures derive from the diencephalon?

• Pons, cerebellum, medulla

• Cerebrum, basal ganglia, cortex

• Midbrain nuclei, tectum, tegmentum

• Thalamus, hypothalamus, epithalamus