Sorry RIP, I your question,
Well if 1 of your weapons is destroyed you can use a dead preds weapon because he is not gonna need it unless you believe the Egption Religion no offence, and if you saw a wounded Pred. you can be thoughtful and give him your Medikit
I hoped I answered you question R.I.P
Look around each corner before you move because the chances are, you are not gonna make it.