Which type of fracture occurs when the bone is crushed and shattered into multiple fragments?
Greenstick fracture
Comminuted fracture
Avulsion fracture
Stress fracture
The Correct Answer is B
A comminuted fracture occurs when the bone is crushed and shattered into multiple fragments, resulting in significant bone displacement and increased difficulty in alignment during the healing process.
a. Greenstick fracture: A greenstick fracture is an incomplete fracture where the bone bends and partially breaks, commonly seen in pediatric patients. It does not involve bone crushing or fragmentation.
c. Avulsion fracture: An avulsion fracture occurs when a small fragment of bone is pulled away from the main bone due to the forceful attachment of a tendon or ligament. It is not characterized by bone crushing or fragmentation.
d. Stress fracture: A stress fracture is a tiny crack in the bone caused by repetitive stress and overuse. It does not involve bone crushing or fragmentation.
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Related Questions
Correct Answer is A
Explanation
A greenstick fracture is an incomplete fracture where the bone breaks incompletely, with one side bending and the other side breaking. It is commonly seen in children due to their more flexible bones.
b. Comminuted fracture: A comminuted fracture occurs when the bone is crushed and shattered into multiple fragments, but it does not involve one side bending and the other side breaking.
c. Spiral fracture: A spiral fracture occurs when the bone is twisted, resulting in a spiral-shaped fracture line. It does not involve one side bending and the other side breaking.
d. Oblique fracture: An oblique fracture occurs when the bone breaks at an angle, but it does not involve one side bending and the other side breaking.
Correct Answer is B
Explanation
A greenstick fracture is an incomplete fracture that commonly occurs in children due to their bones being more pliable and flexible than adult bones. In a greenstick fracture, one side of the bone bends and partially breaks, while the other side remains intact.
a. Spiral fracture: A spiral fracture occurs when the bone is twisted, causing a spiral-shaped fracture line. It often results from a twisting force applied to the bone and can occur in both children and adults.
c. Transverse fracture: A transverse fracture is a type of fracture where the fracture line is perpendicular to the long axis of the bone and can occur in both children and adults.
d. Oblique fracture: An oblique fracture is a type of fracture where the fracture line is diagonal to the long axis of the bone and can occur in both children and adults.
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