Final answer:
The correct answer is 10 years.
Step-by-step explanation:
The correct answer is b. 10 years. Injection of hormone therapy adjuvants is commonly done for a period of 10 years. The question pertains to the duration of hormone therapy adjuvants. Hormone therapy adjuvants are often used in the treatment of certain types of cancer, such as breast cancer and prostate cancer. The therapy can involve the use of medications that block hormones from attaching to cancer cells or medications that lower the level of hormones in the body. The duration of such therapy can vary based on the type, stage, and grade of cancer, as well as the patient's overall health and response to treatment.
The common duration for hormone therapy adjuvants, as per clinical practice guidelines, is often around 5 to 10 years. This is influenced by ongoing assessments and the individual needs of the patient.