Which of the following questions should the nurse ask to best determine the seriousness of a client's suicidal ideation? 1.  “How are you planning on harming yourself?” 2. “Have you made out a will?”...

Which of the following questions should the nurse ask to best determine the seriousness of a client's suicidal ideation?

1.  “How are you planning on harming yourself?”

2. “Have you made out a will?”

3. “Does your family know you're here?”

4. “How long have you been thinking about harming yourself?”