Iodine deficiency during pregnancy may result in cretinism (mental retardation in children), deafness, autism, and delayed brain development and is the leading cause of preventable mental retardation. As the bodyâs iodine levels fall, hypothyroidism may develop, since iodine is essential for making thyroid hormone. While this is uncommon in the United States, iodine deficiency is the most common cause of hypothyroidism worldwide.
1 Practice nursing for a minimum of 960 hours during the previous five years. 2  Successfully complete an approved re-entry program within the two years preceding renewal. 3  Graduate from an OSBN-approved nursing program within the past five years.
If you enroll in a full-time licensed practical nurse (LPN) training program, you may be prepared and qualified to take your licensing exam in as little as 9-12 months.These programs are available from many community colleges, vocational schools, and universities, and they may range from 43-78 credit hours.rerequisites. Requirements for admission to an LPN training program vary by state and by school, but you typically must hold a high school diploma or have passed the General Educational Development (GED) exam.