An athlete comes into the hospital saying he was informed by the athletic trainer that he broke a bone in his appendicular skeleton.
Which of the following bones could he have broken?
Mandible.
Radius.
Sternum.
Sacrum.
The Correct Answer is B
The radius is a part of the upper limb, which is supported by the pectoral girdle.
The pectoral girdle and the pelvic girdle, along with the bones of the limbs, form the appendicular skeleton.
Choice A is incorrect because the mandible is a part of the skull, which forms the axial skeleton.
Choice C is incorrect because the sternum is a part of the thorax, which forms the axial skeleton.
Choice D is incorrect because the sacrum is a part of the vertebral column, which forms the axial skeleton.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["epiphyseal analysis"]
Explanation
The epiphysis is the rounded end of the femur that articulates with the hip bone and knee joint.
As a child grows, the epiphysis gradually fuses with the rest of the bone through a process called ossification.
By examining the degree of fusion of the epiphysis with the femur on an X-ray, doctors can estimate the age of the child.
In general, the younger the child, the less fused the epiphysis will be, and the easier it will be to determine the child's age.
However, it's important to note that this method provides only an approximate age range and cannot be used to determine an exact age.
Correct Answer is ["thoracic costal facet"]
Explanation
The thoracic costal facet is a feature found on the thoracic vertebrae, which are the bones that make up the mid-back region of the spine.
The costal facet is a small, flat surface located on the transverse process of the thoracic vertebrae, where it articulates with the head of the rib.
There are two costal facets on each thoracic vertebra, one on the transverse process and one on the body of the vertebra.
The costal facet is an important anatomical feature as it provides stability and support to the rib cage and facilitates the movements of the thoracic spine during respiration and other activities.
Injuries to the costal facet can result in rib fractures or dislocations, which can be very painful and require medical intervention.
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