Identify the structure in the diagram below
The Correct Answer is ["Mastoid process"]
The mastoid process is a bony prominence located on the temporal bone of the skull, behind the ear.
It serves as an attachment site for several muscles, including the sternocleidomastoid and the splenius capitis.
The mastoid process also contains small air cells that are connected to the middle ear, which play a role in regulating the pressure within the ear.
In addition, the mastoid process is located in close proximity to several important structures, including the facial nerve, the internal jugular vein, and the sigmoid sinus.
Injuries to the mastoid process can occur as a result of trauma, infection, or tumors, and can cause pain, swelling, and other symptoms.
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Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is ["Ischial tuberosity"]
Explanation
The ischial tuberosity is a bony prominence located at the base of the pelvis.
It is the part of the pelvis that bears weight when sitting and is commonly referred to as the "sitting bone." The ischial tuberosity is attached to several important muscles, including the hamstrings and the adductor magnus, which play a crucial role in hip extension and thigh adduction, respectively.
The ischial tuberosity is also an important landmark for identifying the sciatic nerve, which runs in close proximity to the bone.
Injuries to the ischial tuberosity can occur as a result of prolonged sitting, direct trauma, or repetitive stress, and can cause pain and discomfort in the buttocks and hips.
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