A non-pacemaker heart cell that automatically depolarizes is called a(n) ______ focus

A 25-year-old male presents with an enlarged lymph node in his axillary region. Further testing confirms malignancy in the enlarged lymph node but nowhere else. In which stage of lymphoma, according to the Ann Arbor classification system, is the patient?

a. Stage I b. Stage II c. Stage III d. Stage IV

What are some basic fire investigation skills?

a. scene examination b. documentation c. evidence collection d. all of the above