A client who sustained a severe traumatic brain injury is being monitored for signs of increased intracranial pressure (ICP). Which findings should the nurse report immediately to the healthcare provider?
Changes in pupillary reaction to light.
Presence of a slight fever and increased blood pressure.
Complaints of headache and nausea.
Decreased level of consciousness and one-sided weakness
The Correct Answer is D
Monitoring traumatic brain injury involves assessing neurological changes that indicate secondary brain injury. Knowledge of intracranial dynamics and Cushing's triad is essential to identify shifting brain tissue or worsening herniation, which requires immediate medical or surgical intervention to save life.
Choice A rationale
Pupillary changes indicate pressure on the oculomotor nerve but may occur earlier than profound neurological collapse. While important, they are often secondary indicators compared to the global decline seen in mental status and motor function.
Choice B rationale
Fever and elevated blood pressure can occur in brain injury due to hypothalamic dysfunction or sympathetic surges. However, without bradycardia and irregular respirations, they do not definitively indicate immediate, late-stage intracranial pressure emergencies.
Choice C rationale
Headache and nausea are subjective, early signs of increased intracranial pressure. While concerning and requiring monitoring, they do not signify the urgent physiological crisis or neurological deficit represented by a plummeting level of consciousness.
Choice D rationale
A decreased level of consciousness is the most sensitive indicator of neurological deterioration. Coupled with one-sided weakness, it suggests focal deficits or impending herniation, necessitating immediate reporting to prevent permanent brain damage or death.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
This scenario assesses management of post-thoracotomy chest tubes and stable respiratory findings. Knowledge of pleural space physiology, normal post-operative healing, and chest tube safety protocols is required to differentiate between expected recovery milestones and critical complications requiring urgent intervention.
Choice A rationale
Clamping chest tubes is contraindicated unless specifically checking for leaks or changing the drainage system. It risks tension pneumothorax by trapping air or fluid within the pleural space, which can lead to mediastinal shift and cardiovascular collapse.
Choice B rationale
Suction is typically maintained at -20 cm H2O to facilitate lung re-expansion. Increasing suction without a provider order can cause tissue trauma or exacerbate air leaks. The current respiratory rate and oxygen saturation indicate effective drainage and ventilation.
Choice C rationale
Bubbling in the water seal chamber indicates an air leak, but the current clinical data does not suggest one. A respiratory rate of 22 and 94 percent saturation are common 24 hours post-surgery while recovering from anesthesia.
Choice D rationale
Stable vital signs and manageable incisional pain are expected findings. Continuing to monitor ensures the lung remains expanded and the drainage system functions correctly. The SpO2 of 94 percent is acceptable during the early recovery phase after thoracotomy.
Correct Answer is D
Explanation
Evaluating a patient with liver failure involves understanding the biosynthetic pathways of coagulation. The liver produces vitamin K dependent clotting factors, and monitoring laboratory trends is essential to assess the severity of coagulopathy and the risk for spontaneous internal bleeding.
Choice A rationale
Urine output monitoring assesses renal perfusion and fluid balance, which is important in liver failure due to the risk of hepatorenal syndrome. However, it does not directly measure the liver ability to synthesize the essential factors needed for clotting.
Choice B rationale
Oxygen saturation measures the percentage of hemoglobin bound to oxygen in the blood. While respiratory status is important, it is not the priority assessment for a patient specifically at risk for hemorrhage due to impaired clotting factor synthesis.
Choice C rationale
Blood pressure can indicate hemodynamic stability and signs of shock if a bleed has already occurred. However, it is a late indicator of hemorrhage and does not provide information regarding the actual physiological capacity for blood coagulation.
Choice D rationale
The liver synthesizes factors I, II, VII, IX, and X. PT and INR directly measure the extrinsic pathway of coagulation. A normal PT is 11 to 13.5 seconds, and a normal INR is 0.8 to 1.1.
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