A nurse is caring for a client in the post-anesthesia unit who is experiencing malignant hyperthermia. Which of the following prescriptions should the nurse anticipate administering?
Verapamil
Naloxone
Cefazolin
Dantrolene
The Correct Answer is D
Dantrolene prevents release of calcium from the sarcoplasmic reticulum preventing the interaction of actin and myosin in the excitation-contraction coupling process. This process prevents excessive muscle contraction and slows down metabolism.
A- A calcium channel blocker
B- An opioid antagonist
C- C-An antibiotic
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Reduced respiratory rate and absence of deep tendon reflexes are an indicator of magnesium sulfate toxicity. Calcium competitively binds on the magnesium sulphate receptors to lower the toxicity effect
A- Methylergonovine is a uterotonic C-Naloxone is used for opioids toxicity D-Dexamethasone is not an antidote
Correct Answer is D
Explanation
Respiratory rate of 10/min indicates respiratory depression which a potential adverse effect of morphine. Opioids suppress the central respiratory centers leading to respiratory depression. Use of two opioids increases their levels in blood raising the risk of respiratory depression even higher which is fatal.
A.- Elevated blood pressure is not directly related to morphine use . Could be an indication of pain
B.-Normal temperature
C.-Normal heart rate
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