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.
Although two years is the minimum required to be an RN, there may be a semester or two added to the overall time because you have prerequisites for nursing school that need to be met. That said, total time to complete an associateâs degree in nursing may be closer to 2 to 3 years from start to finish.tâs misleading and confusing reading nursing acronyms like CNA, LPN, RN, CRNA â because you have no idea what they mean let along how long it takes to get that nursing designation. Under most circumstances, an undergraduate education as a nurse takes between 2 to 4 years.