Researchers conducted a study to determine if using e-cigare…

Researchers conducted a study to determine if using e-cigarettes was associated with attention deficit disorder (ADD) in adolescents ages 14 to 17. On September 1, 2018, the researchers asked 1500 high school students if they ever used e-cigarettes and whether they had ever been diagnosed with ADD. In the study population, 885 participants did not use e-cigarettes, and the remainder reported using e-cigarettes. A total of 165 students had been diagnosed with ADD at some point in their lives, with 97 of these students in the group using e-cigarettes.   The exposure in this study is .

A 19 year old college freshman presents to the ER with heart…

A 19 year old college freshman presents to the ER with heart palpitations. She is flushed and sweating. She states that she was studying for final exams when she started feeling restless, anxious, and like her heart was racing. The nurse should initially assess the clients use of which of the following substances?