Misc: Hit parade 1992 - What movie has Meg Ryan switching identities with an elderly man?

Questions

Fishy short story also known as Creation Took Eight Days?

Flat, round, brown spots on the skin that contain an excess of melanin, the human skin pigment?

Flattened, oblong organ that removes disease-producing organisms & worn-out red blood cells from the bloodstream?

Flattened, pear-shaped, hollow organ in the pelvis of the human female & most other mammals?

Florence Nightingale was known as 'The Lady of the ______'?