To ensure patient safety and medication effectiveness,the blood levels of many therapeutic drugs are monitored.The samples that are typically drawn to do this are:

Question

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Option A is the correct choice. Trough levels are drawn right before the next scheduled dose is given when the drug concentration is at its lowest point so that it can be determined if the level is still within the therapeutic range. Peak levels are taken after the dose is given when the drug concentration is at its highest point to determine if the maximum safe and effective concentration has been reached. This helps to ensure patient safety and medication effectiveness. Option B and D may not apply to every drug or may lead to inaccurate results. Option C has the peak and trough levels reversed.

To Ensure Patient Safety and Medication Effectiveness,the Blood Levels of Many