1 Infants: Lethargy, weakness, poor feeding, constipation, poor head control, poor gag and sucking reflex.  Children and adults: Double vision, blurred vision, drooping eyelids, slurred speech, difficulty swallowing, dry mouth and muscle weakness.
After completing an ADN degree one can take the NCLEX-RN licensure exam in order to become a registered nurse. An associate's degree in nursing can take two years and at times also three years to compete.
Like all advanced practice nurses, NPs have an expanded role that includes the diagnosis and treatment of illness and injury, and they may prescribe medication. It can take as little as five years to become an NP through a direct-entry program, or as long as nine years to obtain a doctorate in nursing.irect-entry programs take the student through the RN program and straight into the master of science in nursing program. The student can qualify to take the NCLEX-RN exams at the end of 15 months of full-time study.