Pharmacology and the Nursing Process by Linda Lane Lilley: Practice Exam

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Ace your pharmacology exams with "Pharmacology and the Nursing Process" Packed with challenging quizzes based on the renowned textbook Pharmacology and the Nursing Process by Linda Lane Lilley (ISBN: 978-0323827973), it's the perfect tool to test your knowledge and prepare for success.

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What is the optimal therapeutic range for theophylline blood level suggested by most prescribers now?

10 to 20 mcg/mL
5 to 15 mcg/mL
20 to 30 mcg/mL
0 to 5 mcg/mL

The correct answer is: 5 to 15 mcg/mL

The optimal therapeutic range for theophylline blood level is suggested to be between 5 to 15 mcg/mL by most prescribers because this range has been found to be effective and safe for treating respiratory conditions. Option A (10 to 20 mcg/mL) may be considered too high, leading to potential side effects such as tachycardia, while option C (20 to 30 mcg/mL) may increase the risk of toxicity. Option D (0 to 5 mcg/mL) is not a recommended range as it is below therapeutic levels and would not be effective in treating respiratory conditions.