A(n) ________ is a real or imaginary event that causes stress.

The four major groups of adaptive alpine skiers are:

a. hearing-impaired skiers, tether skiers, sit-down skiers, and mono-skiers. b. sit-down skiers, blind guided skiers, three-track skiers, and snow sliders. c. sit-down skiers, three-track and four-track skiers, blind guided skiers, and two-track skiers. d. hearing-impaired skiers, blind guided skiers, sledge hockey users, and outrigger skiers.

People who study poisons, toxic agents, and the treatments for them are known as:

A. toxinologists B. poison controllers C. poisonologists D. toxicologists