Aperson with a personality disorder is characterized by instability, irritability, self-destructive acts, impulsive anger, and extreme mood shifts. this person is lacking a clear sense of identity, has poor impulse control, and an inability to tolerate anxiety.?

The one that cause a person to be lacking a clear sense of identity, has poor impulse control, and an inability to tolerate anxiety is: Narcissistic personality disorder
People with Narcissistic personality disorder will often try to appear aggressive/dominant to hide the fact that they're actually really insecure about themselves in the inside

Sorry i don’t know the answer myself

Yes all of them are right