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Questions and Answers
The fibula is the major weight-bearing bone of the leg.
The fibula is the major weight-bearing bone of the leg.
False (B)
All of the bones of the skull, except the mandible, are united by sutures and are therefore immovable.
All of the bones of the skull, except the mandible, are united by sutures and are therefore immovable.
True (A)
The frontal bone articulates with the parietal bone by means of the sagittal suture.
The frontal bone articulates with the parietal bone by means of the sagittal suture.
False (B)
The mastoid sinuses are located at a position in the skull where they are usually free from infections.
The mastoid sinuses are located at a position in the skull where they are usually free from infections.
The vertebral column is held in place primarily by the anterior and posterior longitudinal ligaments.
The vertebral column is held in place primarily by the anterior and posterior longitudinal ligaments.
Body weight is carried primarily by the talus and calcaneus.
Body weight is carried primarily by the talus and calcaneus.
The most common site of fracture in the humerus is the anatomical neck.
The most common site of fracture in the humerus is the anatomical neck.
The layman's name for the scapula is the collarbone.
The layman's name for the scapula is the collarbone.
The shallow socket of the shoulder joint restricts the movement of the humerus but does increase the stability of the joint.
The shallow socket of the shoulder joint restricts the movement of the humerus but does increase the stability of the joint.
Costal cartilages join most ribs to the sternum.
Costal cartilages join most ribs to the sternum.
The tubercle of a rib articulates with the transverse process of a vertebra.
The tubercle of a rib articulates with the transverse process of a vertebra.
In women of childbearing age, the dimensions of the true pelvis are of utmost importance.
In women of childbearing age, the dimensions of the true pelvis are of utmost importance.
The term vertebrochondral ribs refers to ribs that attach to each other before they attach to the sternum.
The term vertebrochondral ribs refers to ribs that attach to each other before they attach to the sternum.
In the anatomical position, the lateral forearm bone is the radius.
In the anatomical position, the lateral forearm bone is the radius.
The vomer forms part of the nasal septum.
The vomer forms part of the nasal septum.
The temporal bone connects to the zygomatic bone via the temporal process of the temporal bone.
The temporal bone connects to the zygomatic bone via the temporal process of the temporal bone.
The lacrimal bones contain openings that allow the tear ducts to pass.
The lacrimal bones contain openings that allow the tear ducts to pass.
The largest and strongest bone of the face is the maxilla.
The largest and strongest bone of the face is the maxilla.
There are seven cervical, twelve thoracic, and five lumbar vertebrae.
There are seven cervical, twelve thoracic, and five lumbar vertebrae.
Lordosis affects the thoracic vertebrae.
Lordosis affects the thoracic vertebrae.
All vertebrae possess a body, a spine, and transverse foramina.
All vertebrae possess a body, a spine, and transverse foramina.
The dens articulates with the axis.
The dens articulates with the axis.
The pituitary gland is housed in a saddlelike depression in the temporal bone called the sella turcica.
The pituitary gland is housed in a saddlelike depression in the temporal bone called the sella turcica.
The ischium articulates with both the ilium and the pubis.
The ischium articulates with both the ilium and the pubis.
The hyoid bone is anchored by the annular ligament to the styloid process of the temporal bone.
The hyoid bone is anchored by the annular ligament to the styloid process of the temporal bone.
Which forms the largest portion of the coxal bone?
Which forms the largest portion of the coxal bone?
The membranous areas between the cranial bones of the fetal skull are called ________.
The membranous areas between the cranial bones of the fetal skull are called ________.
What makes up the axial skeleton?
What makes up the axial skeleton?
The ethmoid bone is composed of all of the following except the ________.
The ethmoid bone is composed of all of the following except the ________.
Which vertebra does not have a body?
Which vertebra does not have a body?
The suture that connects the two parietal bones together is the ________.
The suture that connects the two parietal bones together is the ________.
The pituitary gland is housed in the ________.
The pituitary gland is housed in the ________.
The hyoid bone is unique because it ________.
The hyoid bone is unique because it ________.
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Study Notes
Bone Classification and Articulation
- The fibula is not the major weight-bearing bone of the leg; that role is primarily fulfilled by the tibia.
- Most skull bones, excluding the mandible, are immovable and joined by sutures.
- The frontal bone does not articulate with the parietal bone via the sagittal suture; it connects with the parietal via the coronal suture.
- Mastoid sinuses are susceptible to infections rather than being free from them.
Vertebral Column and Body Weight
- The vertebral column is stabilized mainly by anterior and posterior longitudinal ligaments.
- Body weight is predominantly supported by the talus and calcaneus bones in the foot.
Fractures and Joint Stability
- The anatomical neck of the humerus is not the most common fracture site; the surgical neck is more prone to fractures.
- The scapula is commonly referred to as the shoulder blade, not the collarbone.
- The shoulder joint's shallow socket does not enhance stability but allows greater mobility of the humerus.
Rib and Pelvic Structure
- Costal cartilages connect most ribs to the sternum for structural integrity.
- The tubercle of a rib articulates with the transverse process of vertebrae.
- In women of childbearing age, the true pelvis dimensions are critical for childbearing.
- Vertebrochondral ribs attach to each other before connecting to the sternum.
Anatomy of the Skeleton
- The lateral bone of the forearm, in the anatomical position, is the radius.
- The vomer bone contributes to the formation of the nasal septum.
- There are a total of seven cervical, twelve thoracic, and five lumbar vertebrae, confirming the typical vertebral count.
- Lordosis primarily affects the lumbar, not thoracic vertebrae.
Vertebral Characteristics
- Not all vertebrae possess transverse foramina; this feature is specific to cervical vertebrae.
- The dens, or odontoid process, is specific to the axis vertebra and does not articulate with it.
- The pituitary gland is housed in the sella turcica of the sphenoid bone, not in the temporal bone.
Pelvic Anatomy and Development
- The ischium articulates with both the ilium and pubis, forming part of the pelvic structure.
- The ilium forms the largest portion of the coxal bone, making it essential for pelvic stability.
Skull Development
- The membranous areas between cranial bones in a fetal skull are known as fontanelles.
- The ethmoid bone consists of several structures but does not include the inferior nasal concha.
Special Bones and Articulations
- The hyoid bone is unique as it does not articulate with any other bone, serving as an anchor point for tongue muscles.
- The sagittal suture connects the two parietal bones of the skull.
- The anterior ligament of the vertebral column prevents hyperextension while providing support and maintaining disc position.
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