Final answer:
The correct match for arm placement in a one-arm standing restraint is 'b. On person's hip', indicating the caregiver's arm on the individual's hip, related to health or physical education in high school.
Step-by-step explanation:
The student's question involves matching specific descriptions to the correct options regarding body positions and movement. Given the context referencing one-arm standing restraints and descriptions of body positions, this question is most likely related to a health or physical education class at the high school level. The question may also involve knowledge about proper techniques to assist individuals, which is crucial in caregiving and health services.
The correct match for the given option '3. Arm placement of the individual receiving services in a one person one-arm standing restraint' would be:
b. On person's hip: This implies that when performing a one-arm standing restraint, the caregiver's arm is placed on the individual's hip.
The other provided options like a person being prone or supine or their limbs' positions do not directly relate to the question of arm placement during a restraint.