As a client ages, what changes are expected in the hematologic system? Select all that apply
1. The amount of red marrow and the number of stem cells decrease with aging.
2. As stem cells decrease in number, they are gradually replaced by nonfunctional fat cells.
3. Hemoglobin levels tend to decrease after middle age, more so in men than women.
4. There may be some T-cell function loss that may account for a poor response to immunizations.
5. Laboratory parameters change dramatically.
1. The amount of red marrow and the number of stem cells decrease with aging.
2. As stem cells decrease in number, they are gradually replaced by nonfunctional fat cells.
3. Hemoglobin levels tend to decrease after middle age, more so in men than women.
4. There may be some T-cell function loss that may account for a poor response to immunizations.
Rationale: The amount of red marrow and the number of stem cells decrease with aging. The amount of red marrow and the number of stem cells decrease with aging, but the marrow is not completely depleted, even in very old adults. As stem cells decrease in number, they are gradually replaced by nonfunctional fat cells. The remaining stem cells retain their functional capacity to divide, but as they decrease in number, they are gradually replaced by nonfunctional fat cells. Hemoglobin levels tend to decrease after middle age, more so in men than women. It is recognized that hemoglobin levels tend to decrease after middle age, more so in men than in women. There may be some T-cell function loss that may account for a poor response to immunizations. It has been suggested that there may be some T-cell function loss and that this may account for a poor response to immunizations. Laboratory parameters change dramatically. Laboratory parameters as they relate to the hematologic system of aging clients usually are not much different than those of a younger patient.
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