Direction: Choose the best option to fill the blanks.
In its early stages, dementia is often _______________ from normal ageing. Neither dementia nor cognitive ageing is currently _________________, though they may be slowed through diet, exercise, and keeping the mind agile.
- Aindistinguishable; reversible
- Birreversible; manageable
- Cdifferentiated; visible
- Ddistinguishable; permanent