A nurse is teaching a newly licensed nurse about preventing puncture injuries, Which of the following instructions should the nurse include?

A) Trough:
The trough level refers to the lowest serum concentration of a medication in the bloodstream, typically measured just before the next dose is administered. This point is crucial for ensuring that drug levels remain within the therapeutic range and for avoiding toxicity. Monitoring the trough level helps healthcare providers determine whether the medication is being cleared appropriately from the system and whether dosage adjustments are needed.

B) Peak:
The peak level is the highest concentration of the medication in the bloodstream, typically measured shortly after the medication is administered. This is the opposite of the trough level. The peak level is important for assessing the maximum therapeutic effect of the medication but does not reflect the lowest concentration.

C) Half-life:
The half-life of a medication is the time it takes for the serum concentration of the drug to decrease by half. While it provides useful information about how long a drug stays in the body, it is not related to the lowest concentration of the drug. The half-life influences dosing intervals but is not directly tied to the concept of trough levels.

D) Toxic:
Toxic levels refer to the concentration of a medication in the blood that is high enough to cause harmful effects or toxicity. This is the opposite of the trough level, which represents the lowest safe level of the drug in the system. Toxicity occurs when drug levels exceed the therapeutic range, posing a risk to the patient’s health.

A) SOAP documentation:
SOAP (Subjective, Objective, Assessment, Plan) documentation is a method used for organizing and documenting client information. It focuses on both subjective and objective data, as well as the assessment and plan. While SOAP helps structure the documentation of patient conditions and interventions, it does not specifically focus on documenting only unexpected findings. It is a more comprehensive approach that includes normal and abnormal findings, not just the unexpected ones.

B) Focus charting (DAR):
Focus charting (DAR) is based on a client-centered approach and uses the components of Data, Action, and Response. It is a way of documenting observations and interventions, particularly in relation to specific patient problems or conditions. Focus charting is more about the care provided, responses to interventions, and client outcomes. While it may include unexpected findings, it doesn’t limit documentation exclusively to abnormal or unexpected events.

C) Charting by exception (CBE):
Charting by exception (CBE) is a documentation method that focuses on recording only the significant deviations from the norm. It emphasizes noting any abnormal or unexpected findings, and everything that is normal is assumed to be within expected limits and not documented. This method reduces the amount of documentation by excluding routine information and only highlighting significant, unexpected findings. Therefore, CBE is the correct answer in this scenario, as it involves documenting only unexpected or abnormal findings related to the client's condition.

D) Problem-oriented medical record (POMR):
POMR is a method of documentation that organizes client care around specific problems or diagnoses. It includes the identification of problems, interventions, and outcomes. While POMR focuses on client problems and plans of care, it does not specifically focus on documenting only unexpected findings. It may include both normal and abnormal findings related to each identified problem.