Central Nervous System Trauma

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Questions and Answers

What factor is most critical in affecting the outcome of trauma to the brain and spinal cord?

  • Location and severity of injury (correct)
  • Age of the patient
  • Gender of the patient
  • Presence of external head wounds

Why might an injury to the frontal lobe be clinically silent?

  • The frontal lobe heals faster than other brain areas.
  • There are fewer neurons in the frontal lobe.
  • The frontal lobe is protected better than other areas.
  • The frontal lobe has fewer vital functions. (correct)

What is a contrecoup injury?

  • An injury occurring near the spinal cord.
  • An injury occurring at the site of the impact.
  • An injury occurring at the opposite side of the impact site. (correct)
  • An injury occurring at the base of the brain.

Which type of brain injury might occur without visible external head injuries?

<p>Severe brain damage (C)</p> Signup and view all the answers

What morphological shape do brain contusions typically have?

<p>Wedge-shaped (C)</p> Signup and view all the answers

In which brain regions are contusions most common?

<p>Orbitofrontal regions and temporal lobe tips (D)</p> Signup and view all the answers

What is a characteristic feature of old traumatic brain lesions?

<p>Depressed, retracted, yellowish brown patches involving the crests of gyri (A)</p> Signup and view all the answers

What are the manifestations of acute contusions in the temporal lobes?

<p>Areas of hemorrhage and tissue disruption (B)</p> Signup and view all the answers

What type of brain hemorrhage can occur directly following CNS trauma?

<p>Epidural, subdural, subarachnoid, or intraparenchymal hemorrhage (B)</p> Signup and view all the answers

Which symptom is NOT a direct consequence of contrecoup injuries?

<p>Loss of sense of taste (B)</p> Signup and view all the answers

What vessels are primarily involved in epidural hematomas in children and adults?

<p>Dural vessels (C)</p> Signup and view all the answers

What is the typical clinical progression for a patient with an epidural hematoma after a traumatic event?

<p>Lucid period followed by neurologic signs (C)</p> Signup and view all the answers

What is the immediate medical treatment required for an expanding epidural hematoma?

<p>Prompt drainage and repair (C)</p> Signup and view all the answers

Where do subdural hematomas most often manifest?

<p>Lateral aspects of the cerebral hemispheres (B)</p> Signup and view all the answers

What is the primary cause of subdural hematomas?

<p>Tear of bridging veins (B)</p> Signup and view all the answers

What is the most common time frame for subdural hematomas to become manifest after injury?

<p>Within 48 hours (B)</p> Signup and view all the answers

What are the typical symptoms of a subdural hematoma?

<p>Headache, confusion, and slowly progressive neurologic deterioration (C)</p> Signup and view all the answers

How does an acute subdural hematoma typically appear morphologically?

<p>Collection of freshly clotted blood apposed to the contour of the brain surface (A)</p> Signup and view all the answers

What type of hematoma results from disruption of bridging veins?

<p>Subdural Hematoma (A)</p> Signup and view all the answers

What type of hematomas are most likely to occur at sites of contusions and lacerations?

<p>Subarachnoid and Intraparenchymal Hemorrhages (B)</p> Signup and view all the answers

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