Podcast
Questions and Answers
The axial skeleton creates a framework that supports and protects organ systems in the __________.
The axial skeleton creates a framework that supports and protects organ systems in the __________.
cranial and thoracic cavities
Which of the following is NOT a function of the axial skeleton?
Which of the following is NOT a function of the axial skeleton?
- Protecting the brain
- Supporting the upper body
- Providing attachments for muscles that move the legs and feet (correct)
- Allowing freedom of movement for the head
The lines, tubercles, crests, ridges, and other processes on bones represent areas that are used primarily for __________.
The lines, tubercles, crests, ridges, and other processes on bones represent areas that are used primarily for __________.
attachment of muscles to bones
Which vertebral process projects posteriorly?
Which vertebral process projects posteriorly?
What structures of the skeleton eventually allow a child to walk and run without falling over?
What structures of the skeleton eventually allow a child to walk and run without falling over?
What is the difference between vertebrosternal ribs and vertebrochondral ribs?
What is the difference between vertebrosternal ribs and vertebrochondral ribs?
Which of the ribs are referred to as vertebral ribs?
Which of the ribs are referred to as vertebral ribs?
Which of the following statements about the thoracic cage is FALSE?
Which of the following statements about the thoracic cage is FALSE?
What type of vertebrae are characterized by short, stumpy spinous processes and large bodies?
What type of vertebrae are characterized by short, stumpy spinous processes and large bodies?
What bones form the connection between the axial skeleton and the appendicular skeleton?
What bones form the connection between the axial skeleton and the appendicular skeleton?
Ribs pairs 8, 9, and 10 are called __________.
Ribs pairs 8, 9, and 10 are called __________.
The only vertebrae that have transverse foramina in the transverse processes are __________.
The only vertebrae that have transverse foramina in the transverse processes are __________.
The first seven ribs are called __________, and they connect to the sternum by individual costal cartilages.
The first seven ribs are called __________, and they connect to the sternum by individual costal cartilages.
Which ribs are included under the name false ribs?
Which ribs are included under the name false ribs?
What is a possible clinical problem associated with the sternum?
What is a possible clinical problem associated with the sternum?
C1 and C2 have specific names, which are the __________.
C1 and C2 have specific names, which are the __________.
Which of the following consists of five fused vertebrae and articulates with the pelvic girdle?
Which of the following consists of five fused vertebrae and articulates with the pelvic girdle?
The skeleton of the chest, or thorax, consists of __________.
The skeleton of the chest, or thorax, consists of __________.
What is the name of the first cervical vertebra?
What is the name of the first cervical vertebra?
Study Notes
Axial Skeleton Overview
- The axial skeleton provides structural support and protection for organ systems, particularly in the cranial and thoracic cavities.
- It does not facilitate muscle attachments for leg and foot movement.
Bone Processes
- Lines, tubercles, crests, and ridges on bones serve as attachment sites for muscles.
Vertebral Anatomy
- The spinous process is a vertebral feature that projects posteriorly.
- Secondary curves of the vertebral column are crucial for a child's ability to walk and run stably.
Rib Classification
- Vertebrosternal ribs connect directly to the sternum, while vertebrochondral ribs connect indirectly through cartilage.
- Rib pairs 11 and 12 are known as vertebral ribs.
- Rib pairs 8-12 are classified as false ribs, with pairs 8, 9, and 10 specifically termed vertebrochondral ribs.
Thoracic Cage Facts
- The sternum does not ossify until after the age of 30 is a false statement.
- The thoracic cage consists of thoracic vertebrae, ribs, and the sternum, providing protection for the heart and lungs.
Vertebrae Characteristics
- Lumbar vertebrae are identified by their large bodies and short, stumpy spinous processes.
- Cervical vertebrae uniquely feature transverse foramina in their transverse processes.
- C1 is known as the atlas and C2 as the axis, differentiating the first two cervical vertebrae.
Pelvic Connections
- The sacrum establishes the connection between the axial skeleton and the appendicular skeleton, articulating with the pelvic girdle.
Clinical Considerations
- During CPR, there's a risk of breaking ribs or the sternum, posing a potential clinical problem.
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Description
Test your knowledge of the axial skeleton with these flashcards from Chapter 7 of the AP1 course. Evaluate your understanding of its functions, anatomical features, and relationships within the cranial and thoracic cavities. Perfect for last-minute revision before the final exam!
