Animation Pretest
Development of Thyroid Gland

Please answer all questions in this pretest and click Submit when finished. This pretest is for your own learning; your answers will be displayed on the next page, but will not be saved.

1. The thyroid gland initially forms:

a. Immediately posterior to the hyoid bone
b. Anterior and inferior to the thyroid cartilage
c. By the posterior 1/3 of the tongue
d. In the mediastinum
e. Don't know

2. The adult structure that represents the starting location of the thyroglossal duct is the:

a. Soft palate
b. External auditory canal
c. Thyroid cartilage
d. Foramen cecum
e. Don't know

3. What statement is FALSE about a thyroglossal duct cyst?

a. It is a fluid filled remnant of the thyroglossal duct
b. It is an abnormal location for the thyroid gland
c. It typically appears around age 5 as a painless midline swelling
d. It is a cancerous complication of thyroid gland migration
e. Don't know

4. The thyroid gland reaches its adult location by the _____ week of development.

a. 4th
b. 6th
c. 7th
d. 11th
e. Don't know

Last updated 6 November 2002

For more information, contact:
Valerie Dean O'Loughlin, Ph.D.
Assistant Professor of Anatomy and
Director of Undergraduate Human Anatomy
Jordan Hall 010A
Medical Sciences
Indiana University
Bloomington, IN 47405
(812) 855-7723 (voice)
(812) 855-4436 (fax)
vdean@indiana.edu