Across the world, today's nursing assistants are expected to fill an expanded, more multi-skilled role in health care. This text prepares them to function at a higher level of responsibility and succeed as patient care technicians. Coverage includes caring for cancer patients, understanding body image changes, cross training for the unit clerical co-ordinator role, performing ECGs and drawing blood for laboratory tests. Guidelines also discuss the common computer systems found in hospitals and explain the PCT's role in their use.