The 20-year-old patient with asthma presents to the emergency department with increased work of breathing and severe wheezing after exposure to household dust and mold. The patient used the albuterol inhaler 6 times in the previous 4 hours with minimal relief. Upon inspection, the nurse notes extensive accessory respiratory muscle use with moderate supraclavicular retractions and nasal flaring. The nurse auscultates expiratory wheezing in all lung fields. The patient is afebrile, normotensive, significantly tachypneic, and mildly tachycardic. The chest x-ray is clear. The nurse prepares to administer which medication first? 

The patient receiving bosentan therapy for pulmonary arterial hypertension presents to the emergency department (ED) complaining of dyspnea. Which nursing assessment is most important for this patient?

A patient is receiving multiple continuous infusions for the treatment of acute decompensated heart failure (ADHF). The nurse notes the patient’s central line, through which the drips are being infused, has cracked. After an alternate vascular access has been established, which drug should the nurse restart first?