This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
All the pairs about the joints of the upper limb are true except 
Select and explain. 
A. Acromioclavicular joint - Plane synol joint, B. Shoulder joint - Ball and socket joint, C. Sternoclavicular joint - Hinge joint, D. Intercarpal and midcarpal joint - Plane synol joint
C: Sternoclavicular joint - Hinge joint
Answer: C: Sternoclavicular joint - Hinge joint 
Explanation: The sternoclavicular joint is a synol sellar joint It is the only skeletal aiculation between the upper limb and the axial skeleton. Ref : Gray's Anatomy The Anatomical Basics of Clinical Practice 41 e pg 808.