Sara, a 27-year-old woman with no significant past medical history, presents with confusion and a brief loss of consciousness following a minor car accident. What is the most definitive indication that Sara has suffered a concussion?
She experiences headaches that last for several weeks after the incident.
Sara remembers every detail of the accident.
A CT scan shows no cerebral edema.
Sara's Glasgow Coma Scale score is 15.
The Correct Answer is C
A. Headaches are a common symptom of concussion but are not the most definitive indication since it can occur due to other causes.
B. Sara remembering every detail of the accident does not exclude the possibility of a concussion, as some people may have intact memory despite having a brain injury.
C. This indicates that there is no swelling or bleeding in the brain, which is a hallmark of concussion.
D. While a GCS score of 15 suggests normal neurological function, it is not as definitive as a CT scan in ruling out cerebral edema or other brain injuries.
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Related Questions
Correct Answer is C
Explanation
A. The position of the testicles is not typically indicative of testicular cancer, and further testing is not warranted based solely on this finding.
B. The difference in testicular position is not likely related to a hernia, and Steve's history and symptoms do not suggest hernia.
C. Testicular asymmetry, where one testicle hangs lower than the other, is a common and normal variation in many men.
D. Testicular asymmetry alone is not an indication for a scrotal ultrasound, and Steve's presentation does not raise suspicion for underlying pathology.
Correct Answer is D
Explanation
A. While an increasing respiratory rate may indicate respiratory distress, in the context of a closed head injury, decreasing level of consciousness (LOC) is a more concerning trend as it suggests worsening neurological status.
B. A rising heart rate may indicate pain, anxiety, or physiological stress, but it's not as directly related to the severity of a closed head injury.
C. While decreasing blood pressure can be concerning, especially if it indicates hypovolemic shock, in the context of a closed head injury, the primary concern is neurological status.
D. A decreasing LOC suggests worsening neurological function, which can indicate increased intracranial pressure (ICP) or neurological deterioration.
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