In the netherlands a young man named jan was admitted to the emergency room. he and his friends had been to a rave. his friends say he started twitching and having muscle spasms which progressed until he was "stiff as a board." on examination, staff found a marked increase in muscle tone and hyperreflexia involving facial and limb muscles. in his pocket, he had unmarked yellow tablets with dark flecks. analysis of the tablets showed them to contain a mixture of ecstasy and strychnine. ecstasy would not cause this clinical picture, but strychnine, which blocks glycine receptors, could. explain how?

Tanya was used to using word, and she did some work for her brother mike, who was using wordperfect. tanya was quickly able to use wordperfect for windows with little difficulty, since many of the commands for it were the same as the commands for word. tanya's ability to use wordperfect best illustrates:

Which of the following is a problem in the health care system of the united states? a. too many doctors in rural areas b. too many doctors who are general practitioners c. fraud d. costs that are too low

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period. the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided. a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs. an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.