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Multiple Choice
Which of the following is not a type of synovial joint?
A
Suture joint
B
Ball and socket joint
C
Pivot joint
D
Hinge joint
Verified step by step guidance
1
Begin by understanding what synovial joints are. Synovial joints are the most common and movable type of joint in the body, characterized by a fluid-filled joint cavity that allows for smooth movement between bones.
Identify the types of synovial joints. Common types include ball and socket joints, pivot joints, hinge joints, saddle joints, plane joints, and condyloid joints.
Examine the characteristics of each type of synovial joint:
- Ball and socket joints allow for rotational movement and are found in the shoulder and hip.
- Pivot joints allow for rotational movement around a single axis, such as the joint between the first and second cervical vertebrae.
- Hinge joints allow for movement in one plane, like the elbow and knee.
Understand what a suture joint is. Suture joints are fibrous joints found in the skull where bones are tightly bound by fibrous tissue, allowing for very little movement. They are not synovial joints.
Conclude that suture joints do not fit the definition of synovial joints, as they lack a fluid-filled cavity and are immovable, unlike the other options listed.