Certified Addictions Registered Nurse (CARN) Exam Practice Guide 2025 – Your Comprehensive Resource for Certification Success!

Question: 1 / 400

Which of the following features is part of the toxicity criteria for certain substances?

Inducible clonus with agitation

Inducible clonus with agitation is a specific feature that indicates toxicity, particularly related to certain stimulant substances or serotonergic drugs. Clonus refers to a series of involuntary muscle contractions that can result from overactivity in the nervous system. When accompanied by agitation, this symptom can signal serotonin syndrome or other forms of intoxication where central nervous system activation leads to neuromuscular hyperactivity.

Recognizing this symptom is crucial for healthcare professionals, as it often necessitates immediate intervention to ensure patient safety and prevent further complications. Other symptoms of toxicity may exist, but inducible clonus with agitation is a distinct clinical sign that can lead to a timely diagnosis and treatment. This understanding is essential for an effective response in clinical practice, especially in addiction treatment settings.

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Hypotension and bradycardia

Rapid eye movement sleep disturbances

Persistent fatigue and drowsiness

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