1.
Tc-99m and I-123 are the most commonly used agents for thyroid imaging. Thyroid imaging with technetium administration:
2.
“Single isotope dual phase technique” commonly applied in parathyroid imaging is based on the observation that:
3.
Which of the following enlargement is termed as goiter?
4.
What is the usual range of a 24 hr radioiodine uptake in hyperthyroid patients diagnosed with subacute thyroiditis?
5.
Side effects of the antithyroid medications include all of the following EXCEPT:
6.
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:
7.
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.
8.
The hormones T3 and T4 are coming from..
9.
Most patients with overt hyperthyroidism have an assemblage of symptoms which include all of the following EXCEPT:
10.
Thyroid scintigraphy scan images reveals a cold nodule. Which of the following conditions explains the finding?
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