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CFRN PRACTICE TEST QUESTIONS AND ANSWERS 2024
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CFRN PRACTICE TEST QUESTIONS AND ANSWERS 2024
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CFRN PRACTICE TESTThe pathophysiology of traumatic brain injury (TBI) emphasizes the importance of
which two types of injury?
A. Direct and indirect
B. Hypoxia and ischemia
C. P derangement and loss of consciousness
D. Swelling and vasospasm - ANSWERS-A. Direct and indirect
All of the following are possible causes of secondary brain injury EXCEPT:
A. Hypoxia
B. Hypercarbia
C. Hyponatremia
D. Hematoma - ANSWERS-D. Hematoma
Current guidelines identify the ideal cerebral perfusion pressure (CPP) to be:
,A. 15 to 25 mm Hg
B. 30 to 40mm Hg
C. 45 to 60 mm Hg
D. 50 to 70 mm Hg - ANSWERS-D. 50 to 70 mm Hg
An epidural hematoma is often the result of a blow to the temporal region of the
skull that involves the:
A. Bridging veins of the skull
B. Middle meningeal artery
C. Anterior fossae artery
D. Vertebral artery - ANSWERS-B. Middle meningeal artery
The Monroe-Kellie doctrine describes the contents of the cranial vault as:
A. Brain, neurons and blood
B. Brain, blood and cerebrospinal fluid
C. Cerebrospinal fluid, air and blood
,D. Brain, blood and air - ANSWERS-B. Brain, blood and cerebrospinal fluid
As ICP rises to the level of arterial pressure, the cascade of events know as
Cushing's triad begins. Cushing's triad is BEST described as:
A. Widened pulse pressure, bradycardia, and abnormal respiratory pattern
B. MAP greater that 120 mm Hg, tachycardia, and abnormal respiratory pattern
C. Tachypnea, widened pulse pressure, and tachycardia
D. Apnea, bradycardia, and systolic blood pressure greater than 180 mm Hg -
ANSWERS-A. Widened pulse pressure, bradycardia, and abnormal respiratory
pattern
Bilateral closed femur fractures could result in a blood loss of:
A. 500 ml
B. 1,000 ml
C. 1,500 ml
D. 2,000 ml - ANSWERS-D. 2,000 ml
The following statements about compartment syndrome are correct EXCEPT for:
, A. Can be caused by burns, external compression and crushing injury
B. Pain from compartment syndrome can be described as easily relieved by
medication
C. Can affect any extremity and the buttocks
D. Can develop over a period of hours - ANSWERS-B. Pain from compartment
syndrome can be described as easily relieved by medication
The vertebrae are stabilized by both:
A. Fat and connective tissue
B. Spinal cord and nerves
C. Cranial plate and foramen magnum
D. Ligaments and muscles - ANSWERS-D. Ligaments and muscles
Nerve roots occasionally converge in a cluster called a _____________.
A. Plexus
B. Foramen
C. Nerve root base
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