The Primary Care Provider Orders Peak and Trough Levels for a Patient

question 17

Multiple Choice

The primary care provider orders peak and trough levels for a patient who is receiving intravenous vancomycin every 12 hours.When should the nurse obtain a blood specimen to measure the trough?

• A) With the morning routine laboratory studies
• B) Approximately 30 minutes before the next dose
• C) Two hours after the next dose infuses
• D) While the drug infuses

---

Definitions:

N3 Sleep

The third stage of non-REM sleep, characterized by deep sleep and the greatest reduction in sensory awareness, where the body repairs and regrows tissues.

Hypnotized

The state of having decreased peripheral awareness and an increased focus on a single stimulus, often induced by another person.

Psychological Dependence

A condition in which an individual feels a compulsion to continue using a substance or engaging in behavior due to emotional or psychological needs.

Physical Dependence

A physiological state of adaptation to a substance, resulting in withdrawal symptoms when that substance is reduced or removed.