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 C
Explanation
Dorsiflexion is the movement of the foot upwards towards the shin.
It involves the contraction of the muscles in the anterior part of the leg, such as the tibialis anterior.
Dorsiflexion is used when walking or running.
Choice A is incorrect because eversion is the movement of the foot outwards, away from the midline of the body.
Choice B is incorrect because plantarflexion is the movement of the foot downwards, away from the shin.
Choice D is incorrect because inversion is the movement of the foot inwards, towards the midline of the body.
Correct Answer is ["Foramen transversarium"]
Explanation
The foramen transversarium is a canal that is found in the transverse process of the cervical vertebrae, C1 through C7.
It is an opening in the bone that allows the passage of the vertebral artery, vertebral vein, and sympathetic nerves.
The vertebral artery passes through the foramen transversarium in C1-C6 vertebrae, while the vertebral vein passes through the foramen in C1-C7 vertebrae.
The sympathetic nerves pass through the foramen in C1-C6 vertebrae as well.
Injuries to the foramen transversarium can cause damage to the vertebral artery and vein, leading to a variety of symptoms, including dizziness, headaches, and visual disturbances.
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