http://www.etechcollege.org/newdesign/courses.php Courses offered by etech us-en http://www.etechcollege.org/newdesign/coursedescription.php?id=903 Prepares the learner to anticipate, recognize, and control occupational exposure to hazardous chemicals and physical stresses; conduct exposure monitoring; research regulations, literature, and other documents on occupational illness and disease; and evaluate exposure control procedures and pratices for basic toxocology, air quality, noise, vibration, blood-borne pathogens, temperature extremes, radiation, and ergonomics. http://www.etechcollege.org/newdesign/coursedescription.php?id=5312 Complex Health Alterations 1 prepares the learner to expand knowledge from previous courses in caring for clients with alterations in musculoskeletal, cardiovascular, respiratory, endocrine, and hematologic systems, as well as clients with fluid/electrolyte and acid-base imbalance and alterations in comfort.