The nurse is caring for a client diagnosed with a subdural hematoma. Which of the following is the usual cause of this condition?
A) Hemorrhage and edema from bleeding in the skull
B) An accumulation of blood between the dura and skull
C) A penetrating head injury
D) Torn vein on the brain's surface
D
Feedback:
A subdural (below the dura) hematoma is typically slow forming. It is caused by an accumulation of blood, usually from a torn vein on the brain's surface. An intracranial (intracerebral) hematoma is caused by hemorrhage and edema that results from bleeding within the skull. An epidural hematoma is an accumulation of blood, usually from the temporal artery, between the dura and the skull. In a penetrating head injury, the degree of damage depends on the penetrating object's velocity and location. A high-velocity object, such as a bullet, typically causes more damage than a low-velocity object, such as a stab wound.
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