Unfortunately, no one knows exactly what causes Crohn's, just that something in your body causes your immune system to overreact. Various stimuli may trigger Crohn's disease, affecting individuals differently. For instance, it might be a kind of bacteria, something in your own intestines, or even your family history.
ACCUPLACERÂ® is a suite of computerized tests that determines your knowledge in math, reading and writing as you prepare to enroll in college-level courses.
Â© 2012 The College Board. ACCUPLACER SAMPLE QUESTIONS1 Sentence Skills In an ACCUPLACERÂ® placement test, there are 20 Sentence Skills questions of two types. â¢ The first type is sentence correction questions that require an understanding of sentence structure.