When the Thyroid Gland Is the Source of Excessive Thyroid

question 1

Multiple Choice

When the thyroid gland is the source of excessive thyroid hormone, is diffusely large, and is homogenously active, it is characteristic of

• A)Graves' disease.
• B)Plummer's disease.
• C)multinodular goiter.
• D)thyroid cancer.

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Definitions:

Radiation

The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.

PET Scans

Positron Emission Tomography scans, a type of imaging test that allows doctors to check for diseases in the body by using a special dye containing radioactive tracers.

fMRI

Functional Magnetic Resonance Imaging, a technique for measuring and mapping brain activity by detecting changes associated with blood flow.

Broca's Aphasia

A condition resulting from damage to the Broca's area of the brain, characterized by impaired speech production while understanding of language remains relatively intact.