A nurse is planning care for a client who is to undergo electroconvulsive therapy (ECT). Which of the following actions should the nurse include in the plan?
Administer phenytoin 30 min prior to the procedure
Instruct the client to expect a headache following the procedure
Monitor the client's cardiac rhythm during the procedure
Place the client in four-point restraints prior to the procedure
The Correct Answer is C
Choice A reason: Phenytoin, an anticonvulsant, is not routinely given before ECT, as the procedure induces controlled seizures to stimulate brain activity, treating depression via neurochemical changes. Administering phenytoin would inhibit seizure activity, reducing ECT efficacy by blocking neuronal excitability, making this an inappropriate action for the procedure.
Choice B reason: Instructing about post-ECT headaches is valid, as they result from cerebral vasoconstriction or muscle tension during seizures. However, this is a post-procedure expectation, not a priority action during planning. Monitoring cardiac rhythm takes precedence, as ECT’s autonomic stimulation poses immediate cardiovascular risks requiring real-time management.
Choice C reason: Monitoring cardiac rhythm during ECT is critical, as the procedure induces seizures that stimulate the autonomic nervous system, causing transient tachycardia or arrhythmias due to catecholamine surges. These can exacerbate underlying cardiac conditions, risking instability. Continuous monitoring ensures early detection and management of cardiovascular complications, prioritizing patient safety.
Choice D reason: Four-point restraints are not used in ECT, as patients are under general anesthesia, preventing movement. Restraints risk injury and are unnecessary, as muscle relaxants like succinylcholine minimize convulsive movements. This approach contradicts ECT’s controlled, anesthetized protocol, making it inappropriate for ensuring safety during the procedure.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Depression involves slowed cognitive processing due to serotonin and prefrontal cortex dysfunction, causing delayed responses. Allowing time respects this neurobiological delay, reducing pressure and potential withdrawal. This supports engagement, as the client may formulate a goal with patience, aligning with therapeutic strategies for depressive cognitive deficits.
Choice B reason: Prompting for a response may increase anxiety in depression, where serotonin dysregulation impairs cognitive fluency. Immediate pressure risks disengagement, as the client’s slowed prefrontal processing struggles to respond quickly. Allowing time is more effective, as it accommodates the neurobiological delays characteristic of depressive cognitive function.
Choice C reason: Moving to the next client dismisses the depressed client’s engagement, exacerbating feelings of worthlessness linked to serotonin and dopamine imbalances. This risks reinforcing social withdrawal, a common depressive symptom, as the client’s prefrontal cortex struggles with participation. Allowing time supports inclusion and respects cognitive delays.
Choice D reason: Offering a goal suggestion may reduce autonomy in depression, where prefrontal cortex dysfunction already impairs decision-making. This risks dependency rather than empowering the client, whose serotonin-related cognitive delays require patience to formulate personal goals, making this less effective than allowing time for self-directed thought.
Correct Answer is D
Explanation
Choice A reason: A BUN of 18 mg/dL is within normal range (7–20 mg/dL) and does not indicate lithium toxicity. Lithium is renally excreted, and normal renal function, as reflected by BUN, suggests adequate clearance. Toxicity arises from sodium imbalances or dehydration, not directly from normal BUN levels, making this unremarkable.
Choice B reason: A fasting blood glucose of 80 mg/dL is normal (70–100 mg/dL) and unrelated to lithium toxicity. Lithium affects sodium and water balance, not glucose metabolism. Toxicity involves neurological symptoms from elevated serum lithium due to impaired renal clearance, not glycemic changes, so this value requires no further assessment.
Choice C reason: A potassium level of 3.6 mEq/L is within normal range (3.5–5.0 mEq/L) and does not indicate lithium toxicity. Lithium primarily affects sodium reabsorption in renal tubules, not potassium. Toxicity symptoms like tremors or confusion stem from sodium imbalances or high lithium levels, not normal potassium levels.
Choice D reason: A sodium level of 128 mEq/L (normal 135–145 mEq/L) indicates hyponatremia, increasing lithium toxicity risk. Lithium is reabsorbed in renal tubules like sodium; low sodium reduces lithium excretion, elevating serum levels, causing neurological symptoms like tremors or seizures. This requires immediate assessment to prevent toxicity.
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