You can always leave, during or after the probation period, given that you fulfill some contractual requirements (like telling them some weeks in advance, see your contract). Employment is no prison. For more information, see http://en.wikipedia.org/wiki/Probation_%28workplace%29
Screening is conducted to identify or predict students who may be at risk for poor learning outcomes. Universal screening assessments are typically brief, conducted with all students at a grade level, and followed by additional testing or short-term progress monitoring to corroborate studentsâ risk status.
The purpose of screening mammography is breast cancer detection. A screening test, by definition, is used for patients without any signs or symptoms in order to detect disease as early as possible.t consists of two x-ray views of each breast. A diagnostic mammogram is for evaluation of new abnormalities or of patients with a past abnormality requiring follow-up (i.e., a woman with breast cancer treated with lumpectomy). Additional x rays from other angles or special views of certain areas are taken.