The nurse is educating a group of clients about the different causes of goiter. Which cause of goiter is related to a deficiency of dietary iodine?
Autoimmune thyroid disease
Excessive thyroid hormone production
Radiation exposure
Iodine deficiency
The Correct Answer is D
Iodine deficiency is a common cause of goiter, especially in regions where there is insufficient dietary intake of iodine, leading to inadequate production of thyroid hormones.
Incorrect choices:
a. Autoimmune thyroid disease, such as Hashimoto's thyroiditis, is not specifically related to iodine deficiency and is characterized by immune system attack on the thyroid gland.
b. Excessive thyroid hormone production is associated with conditions such as toxic goiter or Graves' disease and is not directly related to iodine deficiency.
c. Radiation exposure can damage the thyroid gland and lead to goiter, but it is not directly related to iodine deficiency.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Iodine is essential for thyroid hormone production. Increasing the consumption of iodized salt can help support thyroid health and manage goiter caused by iodine deficiency.
Incorrect choices:
b. Limiting intake of fruits and vegetables is not necessary and is not directly related to managing a goiter.
c. Consuming foods high in calcium is important for bone health but is not directly related to managing a goiter.
d. Avoiding foods rich in omega-3 fatty acids is not necessary and is not directly related to managing a goiter.
Correct Answer is D
Explanation
Fine-needle aspiration (FNA) biopsy involves using a thin needle to aspirate a tissue sample from the thyroid nodule. The tissue sample is then analyzed to determine if the nodule is benign or malignant, helping in the diagnosis of a goiter.
Incorrect choices:
a. Assessing blood clotting function is not the primary purpose of an FNA biopsy and is not directly related to goiter diagnosis.
b. Evaluating kidney function is not the primary purpose of an FNA biopsy and is not directly related to goiter diagnosis.
c. Determining blood glucose levels is not the primary purpose of an FNA biopsy and is not directly related to goiter diagnosis.
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