RNSG 2539 EXAM 3 REAL EXAM DETAILED QUESTIONS AND CORRECTLY HIGHLIGHTED ANSWERS 2024 LATEST UPDATE 100% PASS…

RNSG 2539 EXAM 3 REAL EXAM DETAILED QUESTIONS AND CORRECTLY HIGHLIGHTED ANSWERS 2024 LATEST UPDATE 100% PASS… Primary brain injury - ANSWER- }Occurs immediately on impact of mechanical force ◦Damage is done and cannot be reversed ◦Injury to brain or vasculature Secondary brain injury - ANSWER- }evolves over next hours or days ◦Results from inadequate nutrients and oxygen (perfusion) to brain cells ◦Death occurs at three points in time: ◦immediately after injury ◦Within 2 hrs of injury 3 weeks after injury post concussion syndrome - ANSWER- }Disabling difficulties may become evident after return to job or school }May benefit from referral to specialist }Must be advised to avoid activities with potential for high risk for repeated concussion, such as contact sports ◦Repeat concussion may cause autoregulatory dysfunction and progressive cerebral edema diffuse axonal injury - ANSWER- involves stretching, shearing, or tearing of the extension of the neuron that conducts electrical impulses away from the cell body. }Immediate and prolonged coma longer than six hours to persistent vegetative state }May display decorticate or decerebrate posturing focal brain injury - ANSWER- }Contusion ◦Constitute most common types of brain injury ◦Bruising of brain tissue with associated hemorrhage and edema formation ◦May occur beneath an area of skull deformation ◦May occur secondary to acceleration-deceleration ◦May be due to rotation or penetrating mechanisms epidural hematoma - ANSWER- }Collection of blood between skull and dura mater ◦Usually arterial from tearing of middle meningeal artery ◦classic signs are unconsciousness- lucid period - decrease in LOC