You are taking care of a patient who has a Ventriculostomy in place. You know that this device is used for which of the following functions?
Measuring Intracranial Pressure (ICP)
Draining Cerebral Spinal fluid (CSF)
Checking blood pressure
Both A&B
The Correct Answer is D
A. Measuring Intracranial Pressure (ICP) is correct because a ventriculostomy allows direct monitoring of pressure within the ventricles, which is critical for patients with increased ICP due to trauma, hemorrhage, or hydrocephalus. Continuous ICP monitoring helps guide interventions to prevent brain herniation and maintain cerebral perfusion.
B. Draining Cerebral Spinal Fluid (CSF) is correct because a ventriculostomy can be used to drain excess CSF. Controlled drainage reduces intracranial pressure, treats hydrocephalus, and can relieve symptoms such as headache, vomiting, or altered mental status. The drainage can be intermittent or continuous, depending on the patient’s condition and provider orders.
C. Checking blood pressure is incorrect because a ventriculostomy does not measure systemic blood pressure. Blood pressure must be monitored separately using standard devices such as an arterial line or noninvasive cuff.
D. Both A & B is correct because a ventriculostomy serves the dual purpose of monitoring ICP and allowing CSF drainage, making it a vital tool in the management of patients with severe neurological injuries or conditions causing elevated intracranial pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Applying a tight cervical collar is correct as contraindicated because a tight or improperly fitted collar can increase ICPby restricting venous drainage from the brain. Proper spinal immobilization is important in trauma patients, but collars should be appropriately sized and not overly tight, and adjustments should be made to avoid raising ICP.
B. Monitoring ABGs is incorrect because assessing arterial blood gases is essentialin patients with increased ICP. ABGs help evaluate oxygenation and carbon dioxide levels, which directly affect cerebral blood flow and ICP.
C. Administering antipyretics for fever is incorrect because controlling fever is important; hyperthermia increases cerebral metabolism and can worsen ICP. Antipyretics help reduce metabolic demand and prevent ICP spikes.
D. Elevating the head of bed to 30 degrees is incorrect because head-of-bed elevation promotes venous drainagefrom the brain, which helps reduce ICP. This is a standard nursing intervention in patients with increased ICP.
Correct Answer is B
Explanation
A. Because patients are very specific in what they want is incorrect because patient preference does not drive the difficulty in medication selection for increased ICP. The challenge is clinical and related to accurate neurological assessment, not patient choice.
B. They can alter neurological state, masking true neurological changes is correct because sedatives, analgesics, and paralytics can suppress consciousness, motor responses, pupillary reactions, and reflexes. In patients with increased ICP, frequent and accurate neurological assessments are critical to detect deterioration. These medications can obscure important changes such as declining level of consciousness or new focal deficits, making it difficult to distinguish medication effects from worsening intracranial pathology.
C. Patients are usually allergic to many of these medications is incorrect because widespread allergies to sedatives, analgesics, and paralytics are uncommon and not the primary concern when managing increased ICP.
D. Many patients have comorbidities that make choice of agents difficult is incorrect because although comorbidities can influence medication selection, this is not the main reason these medications are challenging to use in patients with elevated ICP. The primary concern remains their impact on the ability to perform reliable neurological assessments.
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