Thyroid Quiz
The thyroid gland is
An endocrine gland
The thyroid gland is located on the ____________ side of the trachea
Anterior
Normal parathyroid glands
Are occasionally identified in young children
The best way to image the inferior portion of the thyroid lobes is to
Have the patient swallow
The long axis of the isthmus is situated _____________ and viewed from a _____________________ scanning plan at the midline of the neck
Horizontally; transverse
The thyroid gland is ________________ relative to the strap muscles
Hyperechoic
The thyroid gland is located
In the lower, anterior portion of the neck, anterior to the trachea and inferior to the larynx
The main function of thyroid hormones is to ________________________
Increase metabolism
The size of the thyroid gland is
Influenced by body habitus
The thyroid gland is connected in the middle by the
Isthmus
The thyroid gland has two lateral _____________ connected by the ____________________
Lobes; isthmus
The longus colli muscle is located
Posterior to each thyroid lobe
The parathyroid glands lie between the _____ aspect of the thyroid gland and the __________________
Posterior; longus colli muscle
The long sections of the lobes appear sandwiched between the ______________ anteriorly and ________________ posteriorly
Strap muscles; longus colli muscles
The best patient position to scan the thyroid gland is
Supine; neck mildly hyperextended
The average, normal adult thyroid gland is approximately ____cm long, ______cm anteroposterioly, and ___cm at its greatest width
4-6; 1.3-1.8; 3
The lobes of the thyroid gland are border laterally by the _______________ and _____________________
Common carotid artery; internal jugular vein
The best approach when scanning the thyroid gland is
To use a light touch with the transducer
The normal thyroid gland generally appears as
Uniform echoes, isosonic to liver parenchyma
Each lobe is oriented vertically in the neck; therefore, the long axes are visualized in sagittal scanning planes
Vertically; sagittal
