Answer to Question 1
D
The most common adverse effects of this combination drug are dry mouth and irritation of the pharynx. The patient should be reassured that these are common and minor effects. Systemic an-ticholinergic side effects are rare. It is not necessary to discontinue the medication. Patients with peanut allergy may have severe anaphylactic reactions, but the patient's symptoms are not those associated with anaphylaxis.
Answer to Question 2
B
Dosing for aminophylline is based on each patient's serum theophylline levels. The loading dose usually is 6 mg/kg; after that, the maintenance infusion is titrated according to the theophylline levels. A serum theophylline level of 15 mcg/mL is within the therapeutic range, so dosing would not need to change. The patient's total loading dose will be 180 mg, but infusions should never be given at a rate faster than 25 mg/min.
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