Final answer:
The caregiver's statement that demonstrates effective discharge teaching about client safety for a client with moderate Alzheimer's-related dementia is option D: "Someone should supervise him at all times." Alzheimer's patients with dementia may have cognitive impairments that can lead to wandering, accidents, or other dangerous situations, so supervision is necessary to prevent harm.
Step-by-step explanation:
The caregiver's statement that demonstrates effective discharge teaching about client safety for a client with moderate Alzheimer's-related dementia is option D: "Someone should supervise him at all times." This statement shows an understanding of the need for constant supervision to ensure the client's safety. Alzheimer's patients with dementia may have cognitive impairments that can lead to wandering, accidents, or other dangerous situations, so supervision is necessary to prevent harm.