Anatomy Flashcards
The thyroid gland is the largest endocrine gland.
True or false?
True
Which nerves does the thyroid gland over-lie?
The recurrent laryngeal nerves bilaterally.
Do the parathyroids always lie at each pole of the thyroid?
They usually do - but not always.
Does the thyroid gland lie above or below the cricothyroid?
Below
Does the thyroid gland lie above or below the thyroid cartilage?
Below.
How is the thyroid connected to the base of the tongue?
Via the thyroglossal duct.
When is the thyroglossal duct normally obliterated?
In the 7th - 10th week of gestation
Is the initial descent of the thyroid gland anterior or posterior to the pharyngeal gut?
Anterior
What are two possible remnants that can remain if thyroid gland does not adequately descend?
- Thyroglossal duct cyst
- Lingual thyroid (base of tongue)
What is the size of the smallest nodules that can be detected by thyroid ultrasonography?
2 - 3 mm
Does thyroid ultrasonography have high sensitivity or specificity?
Sensitivity
It lacks specificity
Does thyroid ultrasonography use radiation?
No
Does thyroid ultrasonography use contrast material?
No
Is thyroid ultrasonography painless?
Yes
Can thyroid ultrasonography be used in pregnancy?
Yes
