Pertaining to tissue atrophy, which of these statements is correct?
1) Decreased blood supply (ischemia) may lead to atrophy.
2) The terms "atrophy" and "hypertrophy" mean basically the same thing.
3) It is unlikely following reduced innervation or reduced nutrition.
4) Cells that have undergone atrophy will always die.
5) The terms "atrophy" and "necrosis" mean basically the same thing.
