Thyroid

Of the following, which will MOST likely interfere with quantitation of thyroglobulin?

Antithyroglobulin autoantibodies

The thyroid gland:

Depends on TPO to permit iodination of the tersely residues to make MIT and DIT

A 65 y/o women presents with fatigue, hypothermia, pericardial effusions, and hair loss. Her thyroid function tests show a significantly elevated TSH and a low free T4. All of the following lab test abnormalities may be associated with her underlying condition except:

Elevated WBC

A 34 y/o women presents with goiter, tachycardia, and weight loss of 2 months duration. TSH is undetectable and free T4 is high. All of the following test are useful in diagnosing the cause of the hyperthyroidism EXCEPT:

FNA biopsy of the thyroid gland

A 26 y/o man presents with a 3cm, right lobe, thyroid nodule and a normal TSH. What is the next test that should be performed?

FNA of the nodule

All of the following thyroid hormones, which is considered the most biologically active:

Free T3

All of the following abnormalities might be expected in a severely ill patient except:

Low rT3

All of the following statements about iodine are true except:

Radioactive iodine treatment of Graves disease is effective in less than 40% of patients treated with this agent

The primary serum test to screen for thyroid disease is:

TSH

The thyroid gland produces all of the following except:

TSH

Hypothyroidism is generally associated with all of the following except:

TSH receptor antibodies

The following are treatment options for hyperthyroidism associated with Graves disease except:

Thyroid hormone

The fetus:

is dependent on thyroid hormone for normal neurologic development