Yea, you can bleed to death if you have hemophelia. But that shit is genetic so u would know by now.
And a bloody nose would eventually clot and stop bleeding. Just get some tissue and ball it up and just stick it in your nose and leave it there. Fuck that shit about tilting your head back, unless you like drinking your own blood and snot.
^This message brought to you by D-Rose, RN.