Why is the therapeutic window important in nursing pharmacology, and how does it affect monitoring?

Why is the therapeutic window important in nursing pharmacology, and how does it affect monitoring?

• A. It defines the required onset of action.
• B. It determines the route of administration.
• C. It defines the plasma concentration range for efficacy with acceptable toxicity; narrow windows require therapeutic drug monitoring.
• D. It is only relevant for antibiotics.

Answer: (C)