What age-related factors may factor into this client's wound healing? Select all that apply.

As people age, the turnover of skin cells decreases, resulting in slower wound healing. This can prolong the healing process and increase the risk of complications. The immune system's function, including T-cell function, tends to decline with age. T-cells play a crucial role in the immune response and wound healing. Decreased T-cell function can impair the body's ability to fight infection and promote efficient healing. With aging, there is a natural loss of subcutaneous fat, which can affect wound healing. Subcutaneous fat provides padding and protection to the underlying tissues, and its reduction can increase the risk of tissue damage and delays in healing. Insulin resistance, pigmentation changes, and polypharmacy are not directly age-related factors that impact wound healing. Insulin resistance is a condition related to impaired glucose metabolism and can affect wound healing in individuals with diabetes or other metabolic disorders, but it is not necessarily an age-related factor. Pigmentation changes and polypharmacy (the use of multiple medications) may be associated with aging but do not directly affect the physiological processes involved in wound healing.