A 68-year-old woman is admitted to the hospital with chronic obstructive pulmonary disease (COPD). She is started on an aminophylline infusion. Three days later she is breathing easier. A serum…

The correct answer is A. 14 g/mL. (A) The therapeutic blood level range of theophylline is 10-20 mg/mL. Therapeutic drug monitoring determines effective drug dosages and prevents toxicity. (B, D) This value is a toxic level of the drug. (C) This value is a nontherapeutic level of the drug.

Physiological Integrity: Pharmacological and Parenteral Therapies

Question

A 68-year-old woman is admitted to the hospital with chronic obstructive pulmonary disease (COPD). She is started on an aminophylline infusion. Three days later she is breathing easier. A serum theophylline level is drawn. Which of the following values represents a therapeutic level?

Options

A14 g/mL
B25 g/mL
C4 g/mL
D30 g/mL

How the community answered

(25 responses)

A
88% (22)
C
8% (2)
D
4% (1)

Explanation

(A) The therapeutic blood level range of theophylline is 10-20 mg/mL. Therapeutic drug monitoring determines effective drug dosages and prevents toxicity. (B, D) This value is a toxic level of the drug. (C) This value is a nontherapeutic level of the drug.

Topics

#theophylline therapeutic range#aminophylline#COPD pharmacology#serum drug levels

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