What is the therapeutic serum concentration range for theophylline?

What should the nurse include in the education plan for a client prescribed guaifenesin?

When starting a patient on antidysrhythmic therapy, the nurse will remember that which problem is a potential adverse effect of any antidysrhythmic drug? 

A 14-year-old patient has been treated for asthma for almost 4 months. Two weeks ago, she was given Salmeterol as part of her medication regimen. However, her mother has called the clinic toreport that it does not seem to work when her daughter is having an asthma attack. Which response by the nurse is appropriate?

What should the nurse include in the education plan for a client prescribed guaifenesin?

A client with Asthma is prescribed albuterol via metered-dose inhaler (MDI). Which of the following instructions should the nurse provide as part of the patient teaching?

Rebound nasal congestion is a potential side effect associated with the overuse of which medication?

A nurse is educating a client with heart failure about losartan. Which potential side effect should be reported immediately?

Which client statement indicates effective understanding of carvedilol therapy for heart failure?

Which medical condition is considered a contraindication for the use of first-generation antihistamines such as diphenhydramine?