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: In order to become a nurse, you must complete a 2 year associate's or 4 years bachelor's degree program in nursing. Upon graduation, you should obtain an RN certification and pursue a specialization through an accredited MSN degree program.: To become a nurse practitioner at the quickest, you can take up the certificate of nursing which is a one year program and the shortest to get nursing education. Certificate in nursing allows students to be able to practice and have introductory level knowledge and skills in the field of nursing.