Answer to Question 1
Ans: A, C, D
Warning signs for suicide include increased substance use (drinking three or four more beers every night), an inability to sleep or sleeping all the time, and feeling trapped. Social isolation or withdrawal (rather than going out with friends or looking for a new job) would suggest suicide.
Answer to Question 2
Ans: B
Impulsivity, rather than cautiousness, enhances suicide risk. Other factors include a family member having completed suicide, psychotic thoughts such as delusions, and loss.