Which of the following systems is responsible for releasing chemicals that regulate body activities?

Traditional therapy in APL includes pharmacological concentration of retinoic acid (ATRA) and chemotherapy. What is the function of the chemotherapy component in this treatment protocol?

a. Induces maturation of the promyelocytes to mature granulocytes b. Binds with the target PML/RARA gene and represses gene transcription c. Eradicates the leukemic stem cells d. Induces cytolysis of the malignant promyelocytes

What type of procedure does not enter the patient's body and uses equipment placed near the patient's skin?

a. Invasive b. Interventional c. Noninvasive d. Percutaneous