Florida State Paramedic Practice Exam

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What is one of the early signs of increased intracranial pressure (ICP)?

Loss of consciousness
Vomiting without nausea
Severe headache
Confusion

The correct answer is: Vomiting without nausea

Vomiting without nausea is indeed recognized as a potential early sign of increased intracranial pressure (ICP). This symptom occurs due to the irritation of the brain structures associated with the pressure increase, which can stimulate the vomiting center in the brain. Unlike typical nausea, this specific type of vomiting can arise due to the direct effects of ICP without the preceding sensation of nausea. Increased ICP affects various physiological processes, leading to symptoms such as changes in consciousness, headaches, and confusion; however, the unique characteristic of vomiting without the prior sensation of nausea distinguishes it as a notable early sign. Recognizing this symptom can be crucial for timely intervention in patients suspected of experiencing ICP changes.