If your spacesuit gets punctured could you survive and for how long?

Answer 1

How deeply punctured? If it were to be punctured all the way through to the inside of the suit, the answer is No, you could not survive the freezing, airless vacuum of space. Your body couldn't even hold itself together in that environment without the protection offered by the space suit, which is made to provide not only oxygen, but air pressure, radiation, micrometeorites travelling at insane speeds, and heat. If your suit gets punctured, you are dead. If even a tiny bit of air pressure leaked out of your space suit, as it did during the first space walk by cosmonaut Alexei Leonov, you would be crippled with Decompression Sickness, or what is otherwise called "the bends": the gases in your blood would rush from your previously pressurized suit into the unpressurized expanse of space, and... Well, have you ever shaken a bottle of Coca-Cola and then opened the lid? In this metaphor, your body would be the bottle, the Coke would be your blood, and the bottle cap would be your space suit. Yank the cap off, and the Coke explodes out; loosen the cap just a tiny bit, and the soda won't explode, but it will still start to bubble and fizz. Now imagine that bubbling and fizzing going on inside your body... under your skin... in your heart and brain... Not fatal, but very, very painful, and the only treatment is quick, hours-long confinement in a special, pressurized chamber.