When teaching a client about cystitis, the nurse explains that women are more prone to the infection than men. Which of the following best explains a woman's increased susceptibility?

Choice A Reason:
Dantrolene is used in the management of malignant hyperthermia, a life-threatening complication characterized by muscle rigidity and elevated temperature, often triggered by certain anesthetics. The patient's symptoms of muscle rigidity and brown urine, which may indicate myoglobinuria, along with elevated temperature and heart rate, are suggestive of this condition. Dantrolene acts by reducing calcium release from the sarcoplasmic reticulum of skeletal muscle, thereby reducing muscle contraction and metabolic demand.

Choice B Reason:
Metoprolol, a beta-blocker, is not the first-line treatment for symptoms suggestive of malignant hyperthermia. While it can reduce heart rate and blood pressure, it does not address the underlying pathophysiology of malignant hyperthermia and is not indicated in this scenario.

Choice C Reason:
Increasing the rate of lactated Ringer's solution is not the primary intervention for malignant hyperthermia. While maintaining hydration is important, it does not directly counteract the pathophysiological processes at play in malignant hyperthermia.

Choice D Reason:
While liver function tests can be important in assessing overall organ function post-operatively, they are not the immediate priority in a suspected case of malignant hyperthermia. The priority is to treat the acute and life-threatening symptoms first.

Choice A reason:
Using bronchodilators every 2 hours as needed may not be appropriate for all clients. Bronchodilators are typically used on a schedule or as needed based on symptoms, but overuse can lead to tolerance and decreased effectiveness. The nurse should provide education on the proper use and timing of bronchodilators.

Choice B reason:
Pursed-lip breathing is a technique that helps control shortness of breath and improve ventilation. It can slow down the client's breathing, promote relaxation, and ensure more effective lung function. This technique is particularly beneficial during an acute exacerbation of COPD and should be included in the discharge teaching plan.

Choice C reason:
Increasing home oxygen without proper assessment can be dangerous. Oxygen therapy should be titrated based on the client's oxygen saturation and clinical status. Clients with COPD are at risk of CO2 retention, and too much oxygen can suppress their drive to breathe. The nurse should educate the client on monitoring their SpO2 and when to adjust oxygen levels, typically under the guidance of a healthcare provider.

Choice D reason:
Huff coughing is a technique used to clear mucus from the airways. While it can be effective, it should be taught by a respiratory therapist or nurse who can assess the client's ability to perform the technique correctly. It is not the first-line teaching for a client being discharged with an acute exacerbation of COPD.