Thorax Anatomy Lecture 1

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Questions and Answers

What is the overall shape of the thoracic cavity?

  • Irregularly shaped cylinder (correct)
  • Cone
  • Triangular prism
  • Sphere

How many thoracic vertebrae make up the posterior part of the thoracic wall?

  • 15
  • 7
  • 10
  • 12 (correct)

Which of the following organs is NOT located in the thoracic cavity?

  • Cardiovascular system
  • Lungs
  • Ribs
  • Liver (correct)

What is the main topic of the lecture series?

<p>Bony framework of the thorax (C)</p> Signup and view all the answers

What is the name of the muscle that closes the inferior opening of the thoracic cavity?

<p>Diaphragm (C)</p> Signup and view all the answers

What is the term for the discs located between the thoracic vertebrae?

<p>Intervertebral discs (B)</p> Signup and view all the answers

Who is the leader of the PMA Academy?

<p>Ali Raed Najah (D)</p> Signup and view all the answers

What is the number of important notes mentioned in the lecture?

<p>3 (D)</p> Signup and view all the answers

What is the subject of the lecture series?

<p>Anatomy of the thorax (D)</p> Signup and view all the answers

What is the lecture series number?

<p>LEC 1 (C)</p> Signup and view all the answers

How many ribs are found on each side of the body?

<p>12 (C)</p> Signup and view all the answers

Which part of the sternum forms part of the bony framework of the neck and thorax?

<p>Manubrium of the sternum (B)</p> Signup and view all the answers

What is found between adjacent ribs?

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

How many layers of muscle are found in the lateral wall of the thorax?

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

What are the three parts of the sternum?

<p>Manubrium, body, and xiphoid process (A)</p> Signup and view all the answers

What is the location of the facet for attachment of the 1st costal cartilage?

<p>Inferior to the fossa on each lateral side (A)</p> Signup and view all the answers

What is the relative position of the fossa and the facet for attachment of the 1st costal cartilage?

<p>The fossa is superior to the facet (D)</p> Signup and view all the answers

What is the specific costal cartilage that attaches to the facet in question?

<p>1st costal cartilage (A)</p> Signup and view all the answers

How many facets for attachment of the 1st costal cartilage are present?

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

What is the purpose of the facet for attachment of the 1st costal cartilage?

<p>To provide a site for attachment of the 1st costal cartilage (A)</p> Signup and view all the answers

What is the shape of the first rib?

<p>Short and curved (C)</p> Signup and view all the answers

What is the characteristic of the superior surface of the first rib?

<p>It is rough and has a scalene tubercle (B)</p> Signup and view all the answers

What is the function of the scalene tubercle on the first rib?

<p>It separates the subclavian grooves (B)</p> Signup and view all the answers

How many surfaces does the first rib have?

<p>Two surfaces, superior and inferior (B)</p> Signup and view all the answers

What is the relationship between the scalene tubercle and the subclavian grooves?

<p>The scalene tubercle separates the subclavian grooves (D)</p> Signup and view all the answers

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