Rib Anatomy: Atypical Ribs of the Thoracic Cage

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Which ribs are directly attached to the sternum via costal cartilage?

False ribs (VIII-X)

True ribs (I-VII) (correct)

Floating ribs (XI-XII)

All ribs are directly attached

What are the three articular surfaces on the neck of a typical rib?

Head, tubercle, and costal groove

Costal cartilage, head, and tubercle (correct)

Costal angle, tubercle, and posterior tubercle

Costal angle, head, and costal groove

Which joint allows articulation between the tubercle of a rib and the vertebral transverse process?

Costotransverse joint (correct)

Sternocostal joint

Costovertebral joint

Costocentral joint

What structures do the floating ribs (XI-XII) lack articulation with?

Both B and C Signup and view all the answers

Which of the following is NOT a typical feature seen on the posterior aspect of a rib?

Costal groove Signup and view all the answers

What is the primary role of the External intercostal muscles in respiration?

Elevate the ribs to increase thoracic volume Signup and view all the answers

Which of the following joints allows articulation between the head of a rib and the vertebral bodies?

Costovertebral joint Signup and view all the answers

The articulations between the ribs and vertebrae are examples of which type of joint?

Synovial Signup and view all the answers

Which of the following muscles is considered an accessory muscle of respiration?

Sternocleidomastoid Signup and view all the answers

The transverse processes of the thoracic vertebrae articulate with which part of the ribs?

Tubercle Signup and view all the answers

Rib Anatomy: Atypical Ribs of the Thoracic Cage

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Questions and Answers

Which ribs are directly attached to the sternum via costal cartilage?

What are the three articular surfaces on the neck of a typical rib?

Which joint allows articulation between the tubercle of a rib and the vertebral transverse process?

What structures do the floating ribs (XI-XII) lack articulation with?

Which of the following is NOT a typical feature seen on the posterior aspect of a rib?

What is the primary role of the External intercostal muscles in respiration?

Which of the following joints allows articulation between the head of a rib and the vertebral bodies?

The articulations between the ribs and vertebrae are examples of which type of joint?

Which of the following muscles is considered an accessory muscle of respiration?

The transverse processes of the thoracic vertebrae articulate with which part of the ribs?

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01. Thorax, Pleura, and Lungs

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