The nurse is reviewing the diagnostic evaluation for a client suspected of having a goiter. Which laboratory test is commonly used to assess thyroid function and determine if the goiter is associated with hyperthyroidism or hypothyroidism?
Complete blood count (CBC)
Blood glucose level
Thyroid-stimulating hormone (TSH) level
Serum creatinine level
The Correct Answer is C
Thyroid-stimulating hormone (TSH) is a hormone produced by the pituitary gland that stimulates the thyroid gland to produce thyroid hormones. An elevated TSH level indicates hypothyroidism, while a low TSH level indicates hyperthyroidism, both of which can be associated with a goiter.
Incorrect choices:
a. Complete blood count (CBC) assesses various components of blood but is not directly related to thyroid function or goiter diagnosis.
b. Blood glucose level is used to diagnose diabetes mellitus and is not directly related to goiter diagnosis.
d. Serum creatinine level is used to assess kidney function and is not directly related to thyroid function or goiter diagnosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Iodine is an essential element for thyroid hormone production. Adequate dietary iodine intake is important for preventing goiter development.
Incorrect choices:
a. Sodium is not directly related to goiter prevention.
b. Calcium is important for bone health but not specifically related to goiter prevention.
d. Iron is important for red blood cell production but not specifically related to goiter prevention.
Correct Answer is B
Explanation
Methimazole is an antithyroid medication commonly prescribed to manage hyperthyroidism and reduce the size of a goiter by decreasing thyroid hormone production.
Incorrect choices:
a. Levothyroxine (Synthroid) is a thyroid hormone replacement medication and is not used to manage hyperthyroidism or goiter.
c. Insulin glargine (Lantus) is used to manage diabetes and is not related to managing hyperthyroidism or goiter.
d. Metformin (Glucophage) is used to manage diabetes and is not related to managing hyperthyroidism or goiter.
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