if you mean you ran out of oil and your engine seized, then no... you'll need to buy a new engine block. It will be expensive and it will cost a lot in labor too.
If a rod bearing actually spun and seized up you are looking at a total engine rebuild.
Oil leakage and loss of compression and power loss.
If it is siezed, you must disassemble. That's the only way to avoid additional damage
rebuild it or replace it. there are no tricks to unseize a turbo
It is a seal that prevents engine oil from entering the valve guide causing oil loss and oil burning.
When the gasket between the engine block and crankcase is old ,there is a possibility some lube oil to leak and reduce the
no, if you are loosing oil you have a leak.
No, warn engine parts will cause loss of oil pressure as the engine warms up, due to expansion betweeen moving parts. Hot oil is thinner.
Yes it can. To much oil and the crank can turn it into foam. Which will cause a loss of oil pressure. This can lead to engine damage and over heating if you run it long enough.
Blown head gasket or cracked head.
check your oil. if there is a little water in the oil its usually a head gasket. If nothing, check your engine block for cracks. If it has overheated recently it might have cracked the block, causing loss of both, and messing up the cylinders.
a leak in a line or hose it depends is it what part of the engine it is or the type of car and type of engine call a mechaine