INBDE (Integrated National Board Dental Examination) Practice Exam

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Prepare for the INBDE (Integrated National Board Dental Examination) exam. Study with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

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What joint is present with C1?

Atlanto-occipital joint
Atlantoaxial joint
Sacroiliac joint
Sternoclavicular joint

The correct answer is: Atlanto-occipital joint

The joint that is present with C1 is the atlanto-occipital joint. This joint is formed between the atlas (C1 vertebra) and the occipital bone at the base of the skull. It allows for flexion and extension of the head, enabling nodding movements. The other options are incorrect because: - The atlantoaxial joint (Option B) is the joint between the atlas (C1) and the axis (C2) vertebrae, allowing for rotation of the head. - The sacroiliac joint (Option C) is formed between the sacrum and the ilium of the pelvis, not associated with C1. - The sternoclavicular joint (Option D) is the joint where the clavicle meets the sternum, also not associated with C1.