Thorax Anatomy Lecture 1

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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?

Bony framework of the thorax Signup and view all the answers

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

Diaphragm Signup and view all the answers

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

Intervertebral discs Signup and view all the answers

Who is the leader of the PMA Academy?

Ali Raed Najah Signup and view all the answers

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

3 Signup and view all the answers

What is the subject of the lecture series?

Anatomy of the thorax Signup and view all the answers

What is the lecture series number?

LEC 1 Signup and view all the answers

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

12 Signup and view all the answers

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

Manubrium of the sternum Signup and view all the answers

What is found between adjacent ribs?

Intercostal spaces Signup and view all the answers

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

Three Signup and view all the answers

What are the three parts of the sternum?

Manubrium, body, and xiphoid process Signup and view all the answers

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

Inferior to the fossa on each lateral side Signup and view all the answers

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

The fossa is superior to the facet Signup and view all the answers

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

1st costal cartilage Signup and view all the answers

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

Two Signup and view all the answers

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

To provide a site for attachment of the 1st costal cartilage Signup and view all the answers

What is the shape of the first rib?

Short and curved Signup and view all the answers

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

It is rough and has a scalene tubercle Signup and view all the answers

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

It separates the subclavian grooves Signup and view all the answers

How many surfaces does the first rib have?

Two surfaces, superior and inferior Signup and view all the answers

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

The scalene tubercle separates the subclavian grooves Signup and view all the answers