Hematomas
Basilar Skull Fracture
Increased ICP
primary injuries
Nursing Priorities
100

A pt presents after head trauma with a brief loss of consciousness followed by a period of normal alertness. thirty minutes later, the patient becomes difficult to arouse and begins vomiting. what is the most likely diagnosis?

A. Subdural hematoma
B. Epidural hematoma
C. Intracerebral hemorrhage
D. Concussion

Correct Answer: B

Rationale:

  • B (correct): Classic lucid interval → rapid decline = epidural
  • A: Subdural is slower and more gradual
  • C: Intracerebral = focal deficits, not this pattern
  • D: Concussion does NOT cause rapid coma
100

Bruising behind the ear is noted in a patient after a head trauma. what condition should the nurse suspect?

A. Concussion
B. Epidural hematoma
C. Basilar skull fracture
D. Intracerebral hemorrhage

Correct Answer: C

Rationale:

  • C (correct): Battle’s sign (bruising behind the ear) = basilar skull fracture
  • A: Concussion has no external bruising signs like this
  • B: Epidural = internal bleed, no external ear bruising
  • D: Intracerebral = brain tissue bleed, not external bruising
100

Which is the EARLIEST sign of increased intracranial pressure?

A. Bradycardia
B. Decreased level of consciousness
C. Posturing
D. Seizures


Correct Answer: B

Rationale:

  • B (correct): LOC change = earliest and most important
  • A: Bradycardia = late (Cushing’s triad)
  • C: Posturing = severe/late
  • D: Seizures = complication, not earliest
100

A patient is struck in the forehead with a baseball and sustains injury directly beneath the site of impact. What type of injury is this?

A. Coup
B. Contrecoup
C. Diffuse axonal injury
D. Contusion

Correct Answer: A

Rationale:

  • A (correct): Coup = injury at the site of impact
  • B: Contrecoup = opposite side of impact
  • C: Diffuse axonal = rotational/shearing injury
  • D: Contusion = bruise, not location-specific
100

What is the FIRST priority in a patient with a traumatic brain injury?

A. Pain control
B. Airway management
C. Neurologic assessment
D. Positioning

Correct Answer: B

Rationale:

  • B (correct): airway ALWAYS first (ABCs)
  • A: pain is important but not first
  • C: neuro comes AFTER airway
  • D: positioning helps but not first
200

what findings are expected with a patient who is experiencing a chronic subdural hematoma?

Select all that apply:

A. Gradual confusion
B. Rapid coma
C. History of fall weeks ago
D. Personality changes
E. Sudden severe headache


Correct Answers: A, C, D

Rationale:

  • A, C, D: classic slow progression in elderly
  • B: rapid coma = epidural or acute bleed
  • E: sudden severe headache = subarachnoid
200

which findings are consistent with a basilar skull fracture?

Select all that apply:

A. Raccoon eyes
B. Halo sign
C. Battle’s sign
D. Sudden severe headache
E. Clear drainage from nose

Correct Answers: A, B, C, E

Rationale:

  • A: Raccoon eyes = periorbital bruising
  • B: Halo sign = CSF leak
  • C: Battle’s sign = bruising behind ear
  • E: Clear drainage = CSF leak
  • D: Sudden severe headache = subarachnoid hemorrhage, NOT skull fracture
200

Which findings indicate increased ICP?

Select all that apply:

A. Headache
B. Vomiting
C. Confusion
D. Improved alertness
E. Pupillary changes

Correct Answers: A, B, C, E

Rationale:

  • A, B, C, E: all classic ICP findings
  • D: Incorrect → LOC worsens, does NOT improve
200

A patient is hit in the front of the head, and imaging shows injury to the back of the brain. What type of injury is this?

A. Coup
B. Diffuse axonal injury
C. Contrecoup
D. Hematoma

Correct Answer: C

Rationale:

  • C (correct): Contrecoup = rebound injury opposite impact
  • A: Coup = same site
  • B: DAI = widespread shearing
  • D: Hematoma = bleeding, not mechanism
200

Which interventions help reduce ICP?

Select all that apply:

A. Elevate head of bed
B. Keep head midline
C. Flex the neck
D. Maintain normothermia
E. Monitor CO2 levels


Correct Answers: A, B, D, E

Rationale:

  • A, B: promote venous drainage
  • D: reduces metabolic demand
  • E: CO2 affects ICP
  • C: flexion blocks drainage which increases ICP
300

A pt has bleeding between the dura and arachnoid due to tearing of the bridging veins. which condition would you expect as the nurse?

A. Epidural hematoma
B. Subarachnoid hemorrhage
C. Subdural hematoma
D. Intracerebral hemorrhage


Correct Answer: C

Rationale:

  • C (correct): subdural = venous, bridging veins
  • A: epidural = arterial, above dura
  • B: subarachnoid = CSF space
  • D: intracerebral = inside brain tissue
300

A patient has clear drainage from the nose after a fall. What is the nurse’s PRIORITY action?

A. Insert nasal packing
B. Test drainage for CSF
C. Suction the airway
D. Place the patient flat

Correct Answer: B

Rationale:

  • B (correct): MUST determine if CSF is present (halo sign)
  • A: Packing can ↑ ICP and trap fluid
  • C: Not priority unless airway compromised
  • D: Flat positioning can worsen ICP
300

A patient has bradycardia, widened pulse pressure, and irregular respirations. What does this indicate?

A. Normal variation
B. Early concussion
C. Cushing’s triad
D. Seizure onset


Correct Answer: C

Rationale:

  • C (correct): classic late ICP sign
  • A: Not normal
  • B: Concussion does not cause this
  • D: Seizures present differently
300

Which findings are consistent with a concussion?

Select all that apply:

A. Confusion
B. Memory loss
C. Always involves loss of consciousness
D. Headache
E. Normal CT scan

Correct Answers: A, B, D, E

Rationale:

  • A, B, D: common symptoms
  • E: concussion = functional: CT often normal
  • C: LOC may or may NOT occur
300

Why is monitoring CO2 levels important in a TBI patient?

A. CO2 decreases ICP
B. CO2 has no effect on brain pressure
C. Increased CO2 causes vasodilation and increases ICP
D. CO2 causes vasoconstriction and decreases ICP

Correct Answer: C

Rationale:

  • C (correct): CO2 increases causing vasodilation which will cause increased ICP
  • A & D: incorrect pathophysiology
  • B: false — CO2 is critical
400

which patients are at the highest risk for a chronic subdural hematoma?

Select all that apply:

A. 85-year-old with history of falls
B. Patient on anticoagulants
C. Young athlete with concussion
D. Patient with brain atrophy
E. Patient with arterial bleed

Correct Answers: A, B, D

Rationale:

  • A, D: elderly + atrophy = veins stretch
  • B: bleeding risk ↑
  • C: concussion = subdural
  • E: arterial = epidural
400

Which nursing interventions are appropriate for a suspected CSF leak?

Select all that apply:

A. Notify provider immediately
B. Insert cotton into ear
C. Test drainage for CSF
D. Monitor for infection
E. Encourage blowing nose

Correct Answers: A, C, D

Rationale:

  • A: Immediate reporting = priority
  • C: Must confirm CSF
  • D: Infection risk = meningitis
  • B: Inserting anything can ↑ pressure and worsen leak
  • E: Blowing nose ↑ ICP and worsens leak
400

Which interventions help LOWER ICP?

Select all that apply:

A. Elevate HOB
B. Keep head midline
C. Flex the neck
D. Maintain normothermia
E. Monitor CO2

Correct Answers: A, B, D, E

Rationale:

  • A: improves venous drainage
  • B: prevents obstruction
  • D: reduces metabolic demand
  • E: CO2 directly affects ICP
  • C: Neck flexion blocks venous return = ↑ ICP
400

A patient involved in a high-speed MVC arrives unresponsive with no large localized bleed on CT. The patient demonstrates posturing and elevated ICP.

What is the most likely diagnosis?

A. Subdural hematoma
B. Concussion
C. Epidural hematoma
D. Diffuse axonal injury

Correct Answer: D

Rationale:

  • D (correct): DAI = rotational injury + severe LOC + posturing
  • A: would show bleed
  • B: concussion is mild
  • C: epidural has localized bleed + lucid interval
400

Which actions are appropriate for a patient with a suspected CSF leak?

Select all that apply:

A. Test drainage for CSF
B. Insert nasal packing
C. Notify provider
D. Monitor for infection
E. Encourage coughing

Correct Answers: A, C, D

Rationale:

  • A: confirms CSF
  • C: must report
  • D: meningitis risk
  • B: increases pressure
  • E: increases ICP
500

A patient presents after trauma with a steady decline in LOC, headache, and vomiting. There is no lucid interval. CT shows a crescent-shaped bleed. 

Which condition is MOST consistent?

A. Epidural hematoma
B. Subarachnoid hemorrhage
C. Subdural hematoma
D. Intracerebral hemorrhage


Correct Answer: C 

Rationale:

  • C (correct): crescent shape + steady decline
  • A: epidural = lucid interval + lens shape
  • B: headache but not this progression
  • D: focal deficits more prominent
500

A patient with a basilar skull fracture is most at risk for which complication?

A. Hypovolemia
B. Stroke
C. Pneumonia
D. Meningitis

Correct Answer: D

Rationale:

  • D: (correct): CSF leak = direct infection pathway → meningitis
  • A: Not directly related
  • C: Possible but not primary risk
  • B: Not the main complication here
500

Why is increased CO2 dangerous in a TBI patient?

A. Causes vasoconstriction
B. Decreases cerebral blood flow
C. Causes vasodilation and increases ICP
D. Has no effect on ICP

Correct Answer: C

Rationale:

  • C (correct): CO2 increases, which causes vasodilation which causes increased ICP
  • A: Opposite of what happens
  • B: Blood flow actually increases
  • D: Incorrect — CO2 is very important
500

Which findings are associated with diffuse axonal injury (DAI)?

Select all that apply:

A. Decreased level of consciousness
B. Lucid interval
C. Posturing
D. Increased intracranial pressure
E. Widespread brain damage

Correct Answers: A, C, D, E

Rationale:

  • A: severe LOC change
  • C: posturing = severe brain injury
  • D: ICP increases
  • E: hallmark = widespread damage
  • B: lucid interval = epidural, NOT DAI
500

A patient with TBI becomes increasingly restless and difficult to arouse. What is the nurse’s PRIORITY action?

A. Administer pain medication
B. Reposition the patient
C. Notify the provider
D. Continue monitoring


Correct Answer: C

Rationale:

  • C (correct): change in LOC = emergency must be reported immediately
  • A: may mask symptoms
  • B: not priority
  • D: delay in care
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