Development of the Cardiovascular System
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Questions and Answers

At what week does the separation of the truncus arteriosus into the ascending aorta and pulmonary artery occur?

  • Week 6 (correct)
  • Week 7
  • Week 4
  • Week 5

What is the result of embryologic spiraling in the cardiovascular system?

  • The descent of the heart into the thorax
  • The formation of heart chambers
  • The development of lung buds
  • The appearance of the aorta and pulmonary artery wrapping around each other (correct)

From which embryonic layer do both types of pleura arise?

  • Ectoderm
  • Endoderm
  • Mesoderm (correct)
  • Neural crest

When does lung growth begin in early embryonic development?

<p>When right and left lung buds are formed from the respiratory diverticulum (D)</p> Signup and view all the answers

When do pleuroperitoneal membranes form and fuse with the diaphragm?

<p>By approximately week seven (B)</p> Signup and view all the answers

What does gross anatomy primarily focus on?

<p>Major body structures (D)</p> Signup and view all the answers

What is the main difference between gross anatomy and microscopic anatomy?

<p>Size of structures studied (B)</p> Signup and view all the answers

What is the origin of the term 'anatomy'?

<p>&quot;Ana temnein&quot; meaning &quot;to cut up&quot; (C)</p> Signup and view all the answers

What is considered basic to all anatomical research?

<p>Dissection (D)</p> Signup and view all the answers

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