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1. What is the thyroid?:

A. It's a pea-shaped organ near the liver.
B. It's a butterfly-shaped gland at the base of your throat, right above your collarbone.
C. It's part of the gallbladder.
D. It's a bone in the thigh.

2. What does the thyroid do?:

A. It controls breathing.
B. Helps fight infections.
C. Aid digestion.
D. The gland, part of the endocrine system, is responsible for making sure your body uses energy at the proper rate by secreting a hormone that helps regulate your metabolism.

3. What are the symptoms of hypothyroidism, or an under-active thyroid gland?:

A. Feeling run down, slow, depressed, sluggish.
B. Feeling cold and tired.
C. Having dry skin and hair.
D. Having constipation, muscle cramps and weight gain.
E. All of the above.

4. What is one of the symptoms of hyperthyroidism, or an over-active thyroid gland?:

A. Vision loss.
B. Hearing loss.
C. Weight loss.

5. Thyroid disorders affect mostly men:

A.True
B. False

6. Graves' Disease is a type of hyperthyroidism:

A. True.
B. False.