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.
Become a Licensed Practical Nurse. You can complete your LPN training in as little as 7 months to 1 year for a hospital certificate, or you can obtain a LPN degree in two years from a community college or trade school.You will also need to pass the N-CLEX-PN certificate examination to become nationally certified.ou can complete your LPN training in as little as 7 months to 1 year for a hospital certificate, or you can obtain a LPN degree in two years from a community college or trade school.