UWorld NCLEX RN questions and answers 2024

UWorld NCLEX RNA client undergoing endotracheal intubation received IV sedation and succinylcholine. Shortly after respiratory status has been stabilized, the client flushed and profusely diaphoretic and has a rigid jaw. Which medication should the nurse prepare to administer? Click the exhibit button for more information. Exhibit: Vital signs Temperature 105 F Blood pressure 140/90 mm Hg Heart rate 150/min Respirations 28/min O2 saturation 98% - IM epinephrine - IV atropine - IV dantrolene - IV glucagon - correct answer IV dantrolene - Malignant hyperthermia is a rare and life-threatening condition precipitated by certain medications used for anesthesia, including inhaled anesthetics and succinylcholine. - Skeletal muscles become unable to control calcium levels, leading to a hypermetabolic state manifested by contracture and increased temperature. - Early sings of MH include tachypnea, tachycardia, and a rigid jaw or generalized rigidity. - As the condition progresses, the client develops a high fever - Muscle tissue is broken down, leading to hyperkalemia, cardiac dysrhythmias, and myoglobinuria. MH requires emergent treatment with IV dantrolene to reverse the process by slowing metabolism. - Succinylcholine should be discontinued. - Other interventions include applying cooling blankets to reduce temperature and treating high potassium levels. Inhaled anethetics - correct answer - desflurane - Isoflurane