Certified Nurses Operating Room (CNOR) Practice Exam

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Prepare for the Certified Nurses Operating Room Test. Utilize flashcards and multiple choice questions; each accompanied by hints and in-depth explanations. Ace your exam with confidence!

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Which of the following is a recommended drug for treating Malignant Hyperthermia?

Naloxone
Dantrolene
Flumazenil
Atropine

The correct answer is: Dantrolene

Dantrolene is the recommended drug for treating Malignant Hyperthermia because it acts directly on the skeletal muscle to reduce calcium release from the sarcoplasmic reticulum. This is crucial in the management of Malignant Hyperthermia, a potentially lethal condition that can be triggered during anesthesia, resulting in a drastic increase in metabolic demands and muscle rigidity due to excessive calcium, which leads to severe hyperthermia. By administering Dantrolene, the metabolic crisis can be managed effectively; it decreases the sustained contraction and reduces the abnormal calcium release, thereby alleviating the symptoms and stabilizing the patient. The prompt administration of Dantrolene is essential for successful intervention in cases of Malignant Hyperthermia. It is important to note that the other drugs listed do not target the underlying mechanism of this condition.