The nurse is explaining pharmacokinetic effects to a new nurse working on the unit.Which of the following statements alerts the nurse that a good level of understanding has been achieved? (Select all that apply.)

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Pharmacokinetics affects how much of a drug dose reaches the site of action.The goal in administering a medication is to achieve a constant blood level within a safe therapeutic range.The toxic concentration is the level at which toxic effects occur.When a medication is administered repeatedly,its serum level fluctuates between doses.The highest level is called the peak concentration and the lowest level is the trough concentration.After peaking,the serum concentration falls progressively.With intravenous (IV)infusions,the peak concentration occurs quickly,but the serum level also begins to fall immediately.Each medication reaches its peak at different times.

The Nurse Is Explaining Pharmacokinetic Effects to a New Nurse