The Slippery Slope and Ad Hominem Arguments

When I am in court testifying at a deposition or trial I am often confronted with two techniques that attorneys like to use. They are called the slippery slope technique and the ad hominem technique. When attorneys use the slippery slope technique they ask me a simple question and then have me assume that X, Y, and Z happened. Most of the time their scenarios are not realistic. The other technique is the ad hominem attack; they attack my character rather than my opinions and arguments. Most judges and juries see through these techniques pretty quickly.