Which of the following is used in Brachytherapy:: (A) Rd, (B) Id -125, (C) Ir, (D) All of the above
Answer is D. Brachytherapy:  Rd, Id – 125, Cs, Ir, Au used.
P-32, Strontium -89, Samarium-153, (NOT iridium -192) are used in systemic radionucluide
P-32 emits B-rays