A public health nurse plans to investigate the incidence rate of tuberculosis to inform the development of local public health programs aimed at prevention. Which of the following sources should the nurse use to retrieve this information?

A. Potassium level: Potassium measurement is used to assess electrolyte balance and kidney function, but it does not provide information about platelet function or clotting ability. It is not relevant for evaluating petechiae or ecchymoses.

B. Prealbumin: Prealbumin is a marker of nutritional status and protein intake. While important for overall health, it does not help identify the cause of bleeding disorders or thrombocytopenia.

C. Creatinine clearance: Creatinine clearance assesses renal function and is unrelated to platelet levels or coagulation abnormalities. It would not provide diagnostic information for clients presenting with bleeding manifestations.

D. Platelet count: A platelet count is essential for evaluating clients with generalized petechiae and ecchymoses because these signs suggest thrombocytopenia or platelet dysfunction. Measuring platelet levels helps determine the severity of the disorder and guides further diagnostic and therapeutic interventions.

A. Wear a lead apron when providing care: Lead aprons help protect the nurse from radiation exposure when providing close care to a client with a sealed radiation implant. This is a standard safety precaution in managing patients receiving internal radiation therapy.

B. Close the door to the client's room: Keeping the door closed limits unnecessary exposure to radiation for other clients and staff in the unit. It also helps maintain a controlled environment for infection and radiation safety.

C. Place the client in a semi-private room: Clients with sealed radiation implants should be placed in a private room to minimize radiation exposure to other patients and staff. Semi-private rooms increase the risk of unnecessary exposure and are not recommended.

D.This is an application of Time. The risk of radiation damage is cumulative. By restricting visits to 30 minutes per 24-hour period, the facility ensures that guests stay well below the threshold for accidental radiation injury.

E.This is incorrect for two reasons. First, pregnant women and children under the age of 18 are generally prohibited from visiting a client with a radiation implant due to the high sensitivity of developing fetal and juvenile tissues. Second, even for authorized visitors, the safe distance is at least 6 feet (2 meters), not 3 feet.