What is a landmark on cervical vertebrae that is not on any other type?
Transverse Foramen.
Lamina.
Pedicle.
Spinous Process.
The Correct Answer is A
The transverse foramen is a hole in each transverse process of the cervical vertebrae that allows the passage of the vertebral artery, vein, and nerve.
It is a distinctive feature of the cervical vertebrae and is not found on any other type.
Choice B is incorrect because lamina is a part of the vertebral arch that connects the transverse process to the spinous process.
It is present on all types of vertebrae.
Choice C is incorrect because pedicle is a part of the vertebral arch that connects the vertebral body to the transverse process.
It is present on all types of vertebrae.
Choice D is incorrect because spinous process is a bony projection on the posterior aspect of the vertebral arch that serves as an attachment site for muscles and ligaments.
It is present on all types of vertebrae.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["Scaphoid bone"]
Explanation
The carpal bones, also known as the wrist bones, are a group of eight small bones located in the wrist joint.
They are arranged in two rows of four bones each, with the rows separated by a space known as the carpal tunnel.
The carpal bones are held together by ligaments, and their shape and arrangement allow for a wide range of wrist movements.
The names of the carpal bones, from the proximal row to the distal row, are the scaphoid, lunate, triquetrum, and pisiform, and the trapezium, trapezoid, capitate, and hamate.
Each bone has a unique shape and surface features that allow it to articulate with adjacent bones, forming a complex network of joints that are important for wrist and hand movements.
The carpal bones are important because they provide stability to the wrist joint, allowing for precise movements of the hand and fingers.
They also help to transfer forces from the hand to the forearm, and vice versa.
Injuries to the carpal bones can result in wrist pain, instability, and decreased function of the hand and fingers.
Additionally, the arrangement of the carpal bones can affect the function of the median nerve, which runs through the carpal tunnel.
Compression or irritation of this nerve can result in carpal tunnel syndrome, a condition characterized by pain, numbness, and tingling in the hand and fingers.
Correct Answer is ["Ulna bone"]
Explanation
The ulna is one of the two bones of the forearm, located on the medial (inner) side of the arm.
It is a long bone that runs parallel to the radius bone, extending from the elbow joint to the wrist joint.
The ulna features several surface landmarks, including the olecranon process, which forms the bony tip of the elbow.
The bone is also involved in the formation of the elbow joint, where it articulates with the humerus bone, and the wrist joint, where it articulates with the radius bone and several carpal bones.
The ulna is an important site for the attachment of muscles involved in forearm and wrist movements.
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