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Questions and Answers
The axial skeleton includes the skull, vertebral column, and bony thorax.
The axial skeleton includes the skull, vertebral column, and bony thorax.
True (A)
The sinuses and fontanelles are located in the cranium.
The sinuses and fontanelles are located in the cranium.
True (A)
The vertebral column is also known as the spinal column.
The vertebral column is also known as the spinal column.
True (A)
The axial skeleton provides an extensive surface area for muscle attachment and supports the limbs.
The axial skeleton provides an extensive surface area for muscle attachment and supports the limbs.
The thoracic cage is formed by bones.
The thoracic cage is formed by bones.
The axial skeleton supports and protects organs in the cranial and spinal cavities only.
The axial skeleton supports and protects organs in the cranial and spinal cavities only.
The joints of the axial skeleton permit unlimited movement.
The joints of the axial skeleton permit unlimited movement.
The bones of the skull protect the brain and guard the entrances to the digestive and respiratory systems.
The bones of the skull protect the brain and guard the entrances to the digestive and respiratory systems.
The skull contains 24 bones.
The skull contains 24 bones.
The hyoid bone is connected to the inferior surfaces of the temporal bones by a pair of ligaments.
The hyoid bone is connected to the inferior surfaces of the temporal bones by a pair of ligaments.
The ear ossicles are the largest bones of the body.
The ear ossicles are the largest bones of the body.
The vomer is a thick bone that divides the nasal cavity.
The vomer is a thick bone that divides the nasal cavity.
Sutures are movable joints between skull bones.
Sutures are movable joints between skull bones.
Paranasal sinuses lighten the skull by producing mucus that moistens and cleans the air in and adjacent to the sinus.
Paranasal sinuses lighten the skull by producing mucus that moistens and cleans the air in and adjacent to the sinus.
The fontanelles convert to bone within 12 months after birth.
The fontanelles convert to bone within 12 months after birth.
The hyoid bone supports the larynx and is the attachment site for muscles of the larynx, pharynx, and tongue.
The hyoid bone supports the larynx and is the attachment site for muscles of the larynx, pharynx, and tongue.
The orbits are bony cavities in which the ears are firmly encased and cushioned by fatty tissue.
The orbits are bony cavities in which the ears are firmly encased and cushioned by fatty tissue.
The walls of the orbit are formed by five bones.
The walls of the orbit are formed by five bones.
The vertebral column encloses the spinal cord and supports the head.
The vertebral column encloses the spinal cord and supports the head.
There are 5 lumbar vertebrae in the vertebral column.
There are 5 lumbar vertebrae in the vertebral column.
The cervical and lumbar curves of the vertebral column bulge posteriorly.
The cervical and lumbar curves of the vertebral column bulge posteriorly.
The transverse process extends dorsally from the vertebral arch.
The transverse process extends dorsally from the vertebral arch.
The sacrum is made up of 4 coccygeal vertebrae fused into one unit.
The sacrum is made up of 4 coccygeal vertebrae fused into one unit.
Intervertebral discs account for about one-half of the length of the vertebral column.
Intervertebral discs account for about one-half of the length of the vertebral column.
The vertebral column provides strong bony protection for the delicate spinal cord lying within it.
The vertebral column provides strong bony protection for the delicate spinal cord lying within it.
Scoliosis is most commonly found in older adults.
Scoliosis is most commonly found in older adults.
The thoracic cage is formed by the sternum, costal cartilages, and ribs.
The thoracic cage is formed by the sternum, costal cartilages, and ribs.
The ribs #8-12 articulate with the sternum directly by costal cartilages.
The ribs #8-12 articulate with the sternum directly by costal cartilages.
What is the function of the paranasal sinuses?
What is the function of the paranasal sinuses?
Which part of the body does the axial skeleton primarily support and protect?
Which part of the body does the axial skeleton primarily support and protect?
What is the function of the thoracic cage?
What is the function of the thoracic cage?
How many bones make up the typical vertebra?
How many bones make up the typical vertebra?
What is the role of the vertebral column in respiratory movements?
What is the role of the vertebral column in respiratory movements?
Which part of the body does the bony thorax primarily support and protect?
Which part of the body does the bony thorax primarily support and protect?
What is the function of the vertebral column?
What is the function of the vertebral column?
Which of the following is NOT a function of the vertebral column?
Which of the following is NOT a function of the vertebral column?
What are the regions of the vertebral column in order from superior to inferior?
What are the regions of the vertebral column in order from superior to inferior?
What is the main characteristic of the cervical and lumbar curves in the vertebral column?
What is the main characteristic of the cervical and lumbar curves in the vertebral column?
Which vertebra lacks a body and spinous process?
Which vertebra lacks a body and spinous process?
What is the foundation for the pelvic girdle?
What is the foundation for the pelvic girdle?
What is the average length of the adult vertebral column?
What is the average length of the adult vertebral column?
What causes compression in the vertebral column to absorb water?
What causes compression in the vertebral column to absorb water?
What is the most common abnormal lateral curvature of the spine?
What is the most common abnormal lateral curvature of the spine?
What causes lordosis (swayback) in some individuals?
What causes lordosis (swayback) in some individuals?
Which part of the thoracic cage forms by age 25 years?
Which part of the thoracic cage forms by age 25 years?
Which ribs articulate with the sternum directly by costal cartilages?
Which ribs articulate with the sternum directly by costal cartilages?
How many bones are associated with the face in the skull?
How many bones are associated with the face in the skull?
Which bone forms the lower jaw?
Which bone forms the lower jaw?
What are the functions of the paranasal sinuses?
What are the functions of the paranasal sinuses?
What is the purpose of fontanelles in the foetal skull?
What is the purpose of fontanelles in the foetal skull?
Which bone is connected to the inferior surfaces of the temporal bones by a pair of ligaments?
Which bone is connected to the inferior surfaces of the temporal bones by a pair of ligaments?
Where are the auditory ossicles situated within the skull?
Where are the auditory ossicles situated within the skull?
What is the function of the hyoid bone?
What is the function of the hyoid bone?
Which bone creates turbulence in air passing from the nasal cavity?
Which bone creates turbulence in air passing from the nasal cavity?
Which bone forms the majority of the bony thorax?
Which bone forms the majority of the bony thorax?
What is the function of the fontanelles in the foetal skull?
What is the function of the fontanelles in the foetal skull?
Which bone is connected to the inferior surfaces of the temporal bones by a pair of ligaments?
Which bone is connected to the inferior surfaces of the temporal bones by a pair of ligaments?
What is the main characteristic of the cervical and lumbar curves in the vertebral column?
What is the main characteristic of the cervical and lumbar curves in the vertebral column?
Where are the auditory ossicles situated within the skull?
Where are the auditory ossicles situated within the skull?
What is the function of the paranasal sinuses in the skull?
What is the function of the paranasal sinuses in the skull?
What is the function of the fontanelles in the foetal skull?
What is the function of the fontanelles in the foetal skull?
Which bone forms the prominence of the cheeks?
Which bone forms the prominence of the cheeks?
What is the function of the hyoid bone?
What is the function of the hyoid bone?
What are the functions of the paranasal sinuses?
What are the functions of the paranasal sinuses?
Which bone divides the nasal cavity into two parts?
Which bone divides the nasal cavity into two parts?
Where are the auditory ossicles situated within the skull?
Where are the auditory ossicles situated within the skull?
Which bone is connected to the inferior surfaces of the temporal bones by a pair of ligaments?
Which bone is connected to the inferior surfaces of the temporal bones by a pair of ligaments?
What is the role of sutures in the skull?
What is the role of sutures in the skull?
Which bones protect the brain and guard the entrances to the digestive and respiratory systems?
Which bones protect the brain and guard the entrances to the digestive and respiratory systems?
What is the primary function of paranasal sinuses?
What is the primary function of paranasal sinuses?
Which part of the body does the hyoid bone primarily support and protect?
Which part of the body does the hyoid bone primarily support and protect?
What is the purpose of the vertebral column?
What is the purpose of the vertebral column?
What is the main characteristic of the cervical and lumbar curves in the vertebral column?
What is the main characteristic of the cervical and lumbar curves in the vertebral column?
How many bones make up the typical vertebra?
How many bones make up the typical vertebra?
Which bone forms the lower jaw?
Which bone forms the lower jaw?
What causes lordosis (swayback) in some individuals?
What causes lordosis (swayback) in some individuals?
What is the function of the hyoid bone?
What is the function of the hyoid bone?
What is the average length of the adult vertebral column?
What is the average length of the adult vertebral column?
Where are the auditory ossicles situated within the skull?
Where are the auditory ossicles situated within the skull?
What causes compression in the vertebral column to absorb water?
What causes compression in the vertebral column to absorb water?
Which ribs articulate with the sternum directly by costal cartilages?
Which ribs articulate with the sternum directly by costal cartilages?
What is NOT a function of the thoracic cage?
What is NOT a function of the thoracic cage?
What are the regions of the vertebral column in order from superior to inferior?
What are the regions of the vertebral column in order from superior to inferior?
What are the three parts that form the axial skeleton?
What are the three parts that form the axial skeleton?
Explain the function of fontanelles in the skull.
Explain the function of fontanelles in the skull.
Describe the characteristics of a typical vertebra.
Describe the characteristics of a typical vertebra.
What is the primary function of the thoracic cage?
What is the primary function of the thoracic cage?
Explain the role of the vertebral column in stabilizing the appendicular skeleton.
Explain the role of the vertebral column in stabilizing the appendicular skeleton.
What is the function of the paranasal sinuses?
What is the function of the paranasal sinuses?
What are the functions of the paranasal sinuses?
What are the functions of the paranasal sinuses?
How many bones make up the typical vertebra?
How many bones make up the typical vertebra?
What causes lordosis (swayback) in some individuals?
What causes lordosis (swayback) in some individuals?
What is the most common abnormal lateral curvature of the spine?
What is the most common abnormal lateral curvature of the spine?
What is the function of the vertebral column?
What is the function of the vertebral column?
What is the primary function of paranasal sinuses?
What is the primary function of paranasal sinuses?
What is the role of sutures in the skull?
What is the role of sutures in the skull?
What is the average length of the adult vertebral column?
What is the average length of the adult vertebral column?
What is the function of the thoracic cage?
What is the function of the thoracic cage?
What causes compression in the vertebral column to absorb water?
What causes compression in the vertebral column to absorb water?
What are the functions of the vertebral column?
What are the functions of the vertebral column?
What are the functions of the paranasal sinuses?
What are the functions of the paranasal sinuses?
What is the function of the paranasal sinuses?
What is the function of the paranasal sinuses?
What is the role of sutures in the skull?
What is the role of sutures in the skull?
What is the purpose of fontanelles in the foetal skull?
What is the purpose of fontanelles in the foetal skull?
How many bones form the cranium, or braincase?
How many bones form the cranium, or braincase?
What is the function of the hyoid bone?
What is the function of the hyoid bone?
Where are the auditory ossicles situated within the skull?
Where are the auditory ossicles situated within the skull?
What are the names of the two sets of bones in the skull?
What are the names of the two sets of bones in the skull?
Which bone forms the prominence of the cheeks?
Which bone forms the prominence of the cheeks?
What is the function of the vertebral column?
What is the function of the vertebral column?
What are the functions of the paranasal sinuses?
What are the functions of the paranasal sinuses?
What is the function of the thoracic cage?
What is the function of the thoracic cage?
What is the unique function of the inferior nasal conchae in the skull?
What is the unique function of the inferior nasal conchae in the skull?
Study Notes
Axial Skeleton
- The axial skeleton consists of the skull, vertebral column, and bony thorax.
- It provides an extensive surface area for muscle attachment and supports the limbs.
- It supports and protects organs in the cranial and spinal cavities.
Skull
- The skull contains 24 bones.
- The hyoid bone is connected to the inferior surfaces of the temporal bones by a pair of ligaments.
- The vomer is a thick bone that divides the nasal cavity.
- Paranascal sinuses lighten the skull by producing mucus that moistens and cleans the air in and adjacent to the sinus.
- Fontanelles convert to bone within 12 months after birth.
- Sutures are movable joints between skull bones.
- The orbits are bony cavities in which the ears are firmly encased and cushioned by fatty tissue.
- The walls of the orbit are formed by five bones.
Vertebral Column
- The vertebral column encloses the spinal cord and supports the head.
- There are 5 lumbar vertebrae in the vertebral column.
- The cervical and lumbar curves of the vertebral column bulge posteriorly.
- The transverse process extends dorsally from the vertebral arch.
- The sacrum is made up of 4 coccygeal vertebrae fused into one unit.
- Intervertebral discs account for about one-half of the length of the vertebral column.
- The vertebral column provides strong bony protection for the delicate spinal cord lying within it.
- Scoliosis is most commonly found in older adults.
Thoracic Cage
- The thoracic cage is formed by the sternum, costal cartilages, and ribs.
- Ribs #8-12 articulate with the sternum directly by costal cartilages.
- The thoracic cage forms the majority of the bony thorax.
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Description
Test your knowledge about the bones of the skull, sinuses, vertebrae, and vertebral column with this quiz. This quiz is based on the learning objectives from Week 28 of the MPharm Programme's Skeletal System module.
