A patient with moderate asthma is being treated for a recent myocardial infarction. Which of following statements most accurately describes the use of cardioselective beta-blockers in this patient?

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 neonate is diagnosed with purpura fulminans. Which order does the nurse anticipate first?