Exam 2 Practice Quiz B

From which structure does the peripheral nervous system develop?

• Neural tube

• Neural crest

• Ectoderm

• Mesoderm

Motor neuron axons develop from:

• Neural crest

• Mesoderm

• Ectoderm

• Anterior neural tube

Which part of the sclerotome forms the skull and vertebrae?

• Lateral part

• Posteromedial part

• Anteromedial part

• Central part

The myotome forms:

• The dermis

• The skull

• Skeletal muscle

• The nervous system

The dermatome forms:

• The dermis

• The muscles

• The vertebrae

• The epidermis

The brain and spinal cord develop from:

• Mesoderm

• Endoderm

• Neural tube

• Neural crest

On which day does the 3-enlargement stage occur?

• Day 14

• Day 28

• Day 40

• Day 50

By which day does the 5-enlargement stage occur?

• Day 28

• Day 30

• Day 40

• Day 50

The hindbrain includes which structures?

• Midbrain, pons, cerebellum

• Thalamus, hypothalamus

• Cerebral hemispheres

• Pons, medulla, cerebellum

The midbrain forms:

• Thalamus and hypothalamus

• Cerebral cortex

• Midbrain and cerebral aqueduct

• Basal ganglia