1.
The mediastinum is the space in the thoracic cavity behind the sternum and in between the two pleural sacs that contains all of the following anatomical structures EXCEPT:
2.
Which of the following enlargement is termed as goiter?
3.
Patient received 200 mCi of I-123 for thyroid uptake and scan. If the data shown below were obtained 6 hours post administration of I-123, what is the percentage thyroid uptake at 6 hours? 200 mCi I-123 capsules cts 135,890 cpm, Background cts 109 cpm, Thyroid cts 45,534 cpm, Thigh cts 2,109 cpm.
4.
Side effects of the antithyroid medications include all of the following EXCEPT:
5.
Tc-99m and I-123 are the most commonly used agents for thyroid imaging. Thyroid imaging with technetium administration:
6.
The hormones T3 and T4 are coming from..
7.
A lone “cold” nodule in an otherwise normal thyroid gland warrants:
8.
“Single isotope dual phase technique” commonly applied in parathyroid imaging is based on the observation that:
9.
What is the usual range of a 24 hr radioiodine uptake in hyperthyroid patients diagnosed with subacute thyroiditis?
10.
Esophageal activity can mimic ectopic thyroid tissue on a thyroid scan. To avoid misinterpretation:
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