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Multiple Choice
Which of the following statements about joints is correct?
A
Some joints, such as sutures in the skull, are immovable.
B
All joints are freely movable.
C
Joints are only found in the limbs.
D
All joints permit some degree of movement.
Verified step by step guidance
1
Step 1: Begin by understanding the definition of a joint. A joint, also known as an articulation, is the location where two or more bones meet. Joints allow for varying degrees of movement depending on their type and structure.
Step 2: Review the classification of joints based on their movement capabilities. Joints can be classified as immovable (synarthroses), slightly movable (amphiarthroses), or freely movable (diarthroses). For example, sutures in the skull are immovable joints.
Step 3: Analyze the first statement: 'Some joints, such as sutures in the skull, are immovable.' This is correct because sutures are fibrous joints that do not allow movement, providing stability to the skull.
Step 4: Evaluate the other statements: 'All joints are freely movable' is incorrect because not all joints allow free movement; 'Joints are only found in the limbs' is incorrect because joints are present throughout the body; 'All joints permit some degree of movement' is incorrect because immovable joints do not permit movement.
Step 5: Conclude that the correct answer is the first statement, as it accurately describes the nature of immovable joints like sutures in the skull.