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Thoracic Cage Anatomy

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Questions and Answers

What is the primary function of the thoracic cage?

To protect the organs of the thorax (correct)

To provide a site for muscle attachment

To support the lower limbs

To facilitate digestion

What are the floating ribs?

Ribs that are the longest in the rib cage

Ribs that are located at the top of the rib cage

Ribs that do not join the sternum at all (correct)

Ribs that articulate directly with the sternum

Where is the manubrium located?

At T7-T8

At T5-T6

At T3-T4 (correct)

At T1-T2

What is the shape of the scapula?

Triangular Signup and view all the answers

What does the body of the sternum provide attachment to?

The ribs Signup and view all the answers

Which components make up the thoracic cage?

Thoracic vertebrae, Ribs, Sternum, Clavicle Signup and view all the answers

How many pairs of ribs articulate directly with the sternum?

7 pairs Signup and view all the answers

What is the function of the clavicle in the human body?

To attach the upper limb to the trunk Signup and view all the answers

What anatomical structure has a sword-like shape?

Xiphoid process Signup and view all the answers

What is the total number of ribs in the human rib cage?

12 pairs Signup and view all the answers

Study Notes

Thoracic Cage Components

Components: Thoracic vertebrae, ribs, sternum
Number of rib pairs: 12 pairs
True ribs: First 7 pairs that articulate directly with the sternum
Floating ribs: Last 2 pairs that do not articulate with the sternum
Function of the thoracic cage: Protect organs of the thorax; support the lower limbs; provide a site for muscle attachment.

Clavicle Function

Function: Attaches the upper limb to the trunk

Xiphoid Process Shape

Shape: Sword-shaped

Rib Cage Locations

Top of rib cage: Ribs T1-T2, (manubrium)
Correct placement of thoracic vertebrae in the cage: T3-T4, T5-T6, and T7-T8

Scapula Shape

Shape: Triangular

Sternum Attachment

Attachment: The body of the sternum attaches to the ribs

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Description

Explore the intricate components and functions of the thoracic cage through this quiz. Test your knowledge on the vertebrae, ribs, and sternum, and discover their roles in protecting vital organs and supporting the upper limbs.