Which serum laboratory test is most important for the nurse to monitor when administering enoxaparin to a client?
Protein and albumin.
Complete blood count (CBC).
BUN and creatinine.
Electrolytes.
The Correct Answer is B
Choice A reason: Protein and albumin reflect nutritional or liver status but are unaffected by enoxaparin, a low-molecular-weight heparin inhibiting factor Xa. These do not monitor anticoagulation effects or complications like bleeding. CBC is critical, as enoxaparin increases bleeding risk, requiring platelet and hemoglobin monitoring to detect serious hematological issues.
Choice B reason: Enoxaparin, an anticoagulant, heightens bleeding risk and can cause thrombocytopenia. Monitoring CBC, especially platelets and hemoglobin, detects heparin-induced thrombocytopenia (HIT) or hemorrhage. This ensures early identification of complications, allowing timely intervention to prevent severe bleeding or thrombosis, making CBC the most critical test for safe administration.
Choice C reason: BUN and creatinine assess renal function, relevant for renally cleared drugs, but enoxaparin is primarily liver-metabolized. Renal monitoring is secondary unless severe impairment exists. CBC is more urgent, as enoxaparin’s anticoagulant effect increases bleeding risk, necessitating hematological surveillance to prevent life-threatening complications.
Choice D reason: Electrolytes like potassium or sodium are not directly affected by enoxaparin’s action on the coagulation cascade. Imbalances may occur in critical illness but are not primary concerns. CBC monitoring for bleeding or thrombocytopenia is critical, as enoxaparin’s anti-Xa activity poses hematological risks requiring immediate attention.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Depression involves social withdrawal, driven by low serotonin or dopamine. Encouraging the client to leave the room and engage socially stimulates oxytocin release and cognitive behavioral benefits, counteracting isolation. This therapeutic approach enhances mood and aligns with depression management goals, making it the most effective response.
Choice B reason: Calling TV a passive activity is partially true but less therapeutic, as it doesn’t directly promote social engagement. Depression treatment prioritizes interpersonal interaction to boost neurotransmitters like serotonin. This response misses the opportunity to encourage social therapy, critical for alleviating depressive symptoms in a mental health setting.
Choice C reason: Suggesting TV sends messages is inappropriate without psychotic symptoms, not indicated in this client’s depression. Depression involves low mood, not delusions. This could confuse or stigmatize, failing to promote social engagement, which is essential for improving mood via neurochemical and behavioral pathways in depression management.
Choice D reason: Allowing unlimited TV outside the room does not address depression’s social isolation. Excessive TV may reinforce withdrawal, reducing therapeutic group activities that enhance serotonin. This lacks focus on active engagement, critical for recovery, making it less effective than encouraging social interaction to improve mental health outcomes.
Correct Answer is A
Explanation
Choice A reason: The client’s belief in a chip in his head indicates paranoid ideation, a disturbed thought process in schizophrenia, driven by dopamine dysregulation in the mesolimbic pathway. This nursing problem targets altered reality perception, guiding antipsychotic therapy to reduce delusions, addressing the core cognitive disturbance observed.
Choice B reason: Disturbed sensory perception implies hallucinations, not delusions. The chip belief is a paranoid delusion, not a sensory issue or grandiose belief. Schizophrenia involves cognitive distortions, and “disturbed thought process” better addresses the paranoid ideation, focusing on the neurobiological basis of delusional thinking over sensory misperceptions.
Choice C reason: Impaired verbal communication is inaccurate, as the client is alert and oriented with coherent, though tangential, speech. The chip delusion reflects a thought disorder, not communication deficit. Schizophrenia’s cognitive symptoms prioritize addressing thought processes, driven by neurotransmitter imbalances, over verbal expression issues.
Choice D reason: Impaired social interaction may result from paranoid delusions but is secondary. The primary issue is the disturbed thought process causing the chip delusion, rooted in dopamine dysregulation. Addressing the delusion directly with antipsychotics is more specific, as social issues stem from this core cognitive disturbance.
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