Final answer:
The service described in the question is screening services (option A). Screening services involve testing individuals who do not exhibit any noticeable symptoms of a particular disease in order to detect the disease at an early stage.
Step-by-step explanation:
The service described in the question is screening services (option A).
Screening services involve testing individuals who do not exhibit any noticeable symptoms of a particular disease in order to detect the disease at an early stage. The purpose is to identify individuals who may be at higher risk for developing the disease and provide early intervention or treatment if necessary.
In the case of the patient in the question, she presented with worries about being at risk for cancer and requested tests to verify her concerns. The fact that the test came back normal indicates that she underwent screening services to determine her cancer risk.