What is the definition of a fracture?
A dislocation of a joint
A break in the continuity of a bone
A stretching or tearing of ligaments
A separation of bone fragments at a joint
The Correct Answer is B
A fracture is a break in the continuity of a bone, resulting from excessive force or stress applied to the bone. It is different from a dislocation, which involves the displacement of bone from its normal position at a joint.
a. A dislocation of a joint: A dislocation involves the displacement of bone from its normal position at a joint and is not the same as a fracture.
c. A stretching or tearing of ligaments: A stretching or tearing of ligaments is known as a sprain, not a fracture.
d. A separation of bone fragments at a joint: This description is more in line with a dislocation, where the bone separates from its normal position at a joint.
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Related Questions
Correct Answer is C
Explanation
An avulsion fracture occurs when a piece of bone is torn away by a ligament or tendon, often due to a sudden and forceful contraction of the muscle.
a. Greenstick fracture: A greenstick fracture involves the bone bending and partially breaking, not being torn away by a ligament or tendon.
b. Transverse fracture: A transverse fracture occurs when the bone breaks straight across its long axis, not due to ligament or tendon forces.
d. Impacted fracture: An impacted fracture occurs when the bone fragments are driven into each other, often seen in a fall or compression injury, not involving ligament or tendon tears.
Correct Answer is D
Explanation
Colles' fracture is a type of distal radius fracture that results in angulation and swelling of the distal forearm near the wrist joint.
a. Pain and swelling of the ankle: Pain and swelling of the ankle are not related to a Colles' fracture, which occurs in the distal forearm, not the ankle.
b. Deformity and shortening of the affected limb: Deformity and shortening of the limb may occur in some fractures but are not specific to a Colles' fracture.
c. Loss of sensation and motor function distal to the fracture: Loss of sensation and motor function may occur in nerve injuries associated with fractures, but it is not a characteristic of Colles' fracture.
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