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.
LPNs work in hospitals, nursing facilities, home health agencies and private physician offices. Average pay for an LPN is just over $40,000 annually. This field is expected to experience a 20 percent growth rate through 2020.LPNs must complete an accreditation program in the state they wish to serve in order to become licensed. The time it takes to get an LPN certification varies by state and program type.his test demonstrates proficiency in entry-level nursing skills. How long it takes to complete this process depends on the length of time you need to prepare for the test and pass the exam. A testing fee of $200 is required.