What terrible trials does Juliet face in this act? How does she respond to these challenges?

Tybalt is dead and her Romeo is banished. On top of that she is set to marry Paris. Basically she wants a quick solution to her problems or she wants to die. In act 4 sc 1, she tells this to the Friar,

Be not so long to speak. I long to die
If what thou speak’st speak not of remedy.