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Multiple Choice
Which of the following is an example of a synovial joint?
A
Hinge joint
B
Gomphosis
C
Suture
D
Symphysis
Verified step by step guidance
1
Step 1: Understand the definition of a synovial joint. Synovial joints are the most common type of joint in the body and are characterized by a fluid-filled joint cavity that allows for free movement. They include structures such as articular cartilage, synovial membrane, and ligaments.
Step 2: Review the characteristics of the options provided. A hinge joint is a type of synovial joint that allows movement in one plane, such as flexion and extension (e.g., the elbow or knee). Gomphosis is a fibrous joint that anchors teeth to their sockets. Suture is a fibrous joint found between bones of the skull. Symphysis is a cartilaginous joint where bones are joined by fibrocartilage (e.g., pubic symphysis).
Step 3: Compare the options to the definition of a synovial joint. Identify which option has the defining features of a synovial joint, such as a fluid-filled cavity and free movement.
Step 4: Recognize that hinge joints, such as the elbow or knee, fit the criteria for synovial joints because they allow movement and have a synovial cavity.
Step 5: Conclude that the correct answer is 'Hinge joint,' as it is the only option listed that is an example of a synovial joint.