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.
Enroll in an LPN Program. Enroll in an LPN program to prepare yourself for the NCLEX-PN, or National Council Licensure Examination for Practical Nurses. LPNs in all states must become licensed by passing this exam, which is conducted by state nursing boards.The right LPN program will prepare you to successfully pass this crucial exam. The typical LPN program involves about a year of study and training.pply for Your License. Upon passing the NCLEX-PN exam, you will apply for your license with your local state board of nursing. The path to becoming an LPN is simple and straightforward.