This subcourse deals with environmental and climatic injuries including snakebites, insect and spider bites, insect and scorpion stings, dermatitis caused by toxic plants, heat injuries, and cold injuries. Some of the injuries discussed in this subcourse can result in death if not treated promptly and properly. The medical specialist must recognize when the dangers discussed in this subcourse are present , he must take the appropriate preventive measures to protect himself and other soldiers.