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.
A: If you want to become a nurse practitioner in quick time you need to have a high school diploma. Those with a high school diploma can enroll in an associate of nursing degree which will take around two years to complete.