Embryonic Head Development Quiz

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Questions and Answers

During which week of development do the three germ layers become distinct?

  • Fourth week
  • Second week
  • First week
  • Third week (correct)

What is the process known as when the neural folds fuse and form the neural tube?

  • Cleavage
  • Gastrulation
  • Organogenesis
  • Neurulation (correct)

What can result if the process of neurulation does not occur correctly?

  • Respiratory system abnormalities
  • Digestive system abnormalities
  • Major Central Nervous System abnormalities (correct)
  • Musculoskeletal system abnormalities

In humans, what does the first part of the two-stage process of neurulation result in?

<p>Formation of the brain and a large part of the spinal cord (C)</p> Signup and view all the answers

What does the formation of the secondary neural tube result in?

<p>A canal whose lumen is continuous with that of the primary neural tube (D)</p> Signup and view all the answers

During which week of development does gastrulation occur?

<p>Third week (B)</p> Signup and view all the answers

What is the result of the process of neurulation not occurring correctly?

<p>Major Central Nervous System abnormalities (D)</p> Signup and view all the answers

What does the formation of the secondary neural tube result in?

<p>Formation of the spinal cord (B)</p> Signup and view all the answers

What is the process known as when the neural plate is formed, shaped, and bent?

<p>Neurulation (A)</p> Signup and view all the answers

In humans, what does the first part of the two-stage process of neurulation result in?

<p>Formation of the brain and spinal cord (D)</p> Signup and view all the answers

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