The nurse is reviewing the relationship between thyroid hormone and iodine with a group of nursing students. The nurse knows further teaching is required when a student states that patients may experience iodine deficiency and hypothyroidism if they:
1. eat large amounts of shellfish.
2. use prescribed lithium carbonate.
3. eat large amounts of turnips or rutabagas.
4. live in an area where iodine is deficient in the soil.
Correct Answer: 1
Shellfish contains iodine. Drugs such as lithium carbonate and foods such as turnips and rutabagas interfere with thyroid hormone synthesis. Living in an area where iodine is deficient in the soil may also lead to thyroid deficiency and hypothyroidism.
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