Embryology Quiz

During which stage does the inner cell mass develop into an embryonic disk with two layers: ectoderm and endoderm?

• Pre-embryonic Stage

• Embryonic Stage

• Fetal Stage

• Post-embryonic Stage

What are the three layers of the neural plate during the embryonic stage?

• Ectoderm, Mesoderm, Endoderm

• Ectoderm, Endoderm, Hypoderm

• Mesoderm, Endoderm, Hypoderm

• Ectoderm, Mesoderm, Hypoderm

Which layer develops into the gut, liver, pancreas, and respiratory system?

• Ectoderm

• Mesoderm

• Endoderm

• Hypoderm

On which days does the neural tube form from the ectoderm?

• Days 15-18

• Days 18-21

• Days 21-24

• Days 24-27

Tags

NGSS.HS-LS1-4

What does the sclerotome part of a somite form?

• Skeletal muscle

• Dermis

• Skull and vertebrae

• Nervous system

By the end of which week does the overall formation of the neural tube complete?

• 2nd week

• 4th week

• 6th week

• 8th week

At 100 days, which part of the brain grows extensively?

• Hindbrain

• Midbrain

• Telencephalon

• Diencephalon

Tags

NGSS.MS-LS1-5

What forms the midbrain?

• Thalamus

• Hypothalamus

• Cerebral aqueduct

• Pons

What shape does the growth pattern of cerebral hemispheres result in?

• S shape

• C shape

• O shape

• L shape

When does myelination begin and end?

• Begins in the 3rd fetal month to end of 2nd year of life

• Begins in the 4th fetal month to end of 3rd year of life

• Begins in the 5th fetal month to end of 4th year of life

• Begins in the 6th fetal month to end of 5th year of life