Thyroid Disorders (Hypo- and Hyperthyroidism)

Question 1

Euthyroid is a term for _____ thyroid function

Answer 1

normal/neutral

Question 2

TSH is released by the _______

Answer 2

anterior pituitary

Question 3

Thyroxine (T4) is the ______ form of thyroid hormone and tri-iodothyronine (T3) is the ______ form of the thyroid hormone.

Answer 3

Inactive, active

Question 4

What is a goiter?

Answer 4

Enlarged thyroid gland

Question 5

Hyperthyroidism is caused by ________ or _______

Answer 5

Graves disease, toxic multi-nodular goiter

Question 6

The most common cause of hypothyroidism is ______

Answer 6

Hashimoto’s Thyroiditis

Question 7

What are the possible causes of a goiter?

Answer 7

Thyroiditis, benign thyroid nodules, malignancy, and iodine deficiency (worldwide, but not in US)

Question 8

What is the difference between a toxic and non-toxic goiter?

Answer 8

A toxic goiter is characterized by hyperthyroidism, while a non-toxic goiter occurs with normal thyroid levels

Question 9

Which foods contain iodine?

Answer 9

yogurt, milk, eggs, and iodinized salt

Question 10

Exopthalmos is a sign of _______

Answer 10

Hyperthyroidism

Question 11

With hyperthyroidism a bruit may be heard in what location?

Answer 11

Over the thyroid

Question 12

What is thyrotoxicosis?

Answer 12

excess thyroid hormone in body

Question 13

T/F: A thyroidectomy may cause a thyrotoxic crisis.

Answer 13

True manipulation of the hyperactive thyroid may cause it to release more hormones

Question 14

Name 3 classes of drugs used to treat patients with hyperthyroidism

Answer 14

Anti-thyroid medications (methimazole), Iodine therapy (SSKI and Lugol’s solution), Beta-blockers

Question 15

A patient who has been treated with radioactive iodine therapy will require ______ for life.

Answer 15

thyroid hormone replacement

Question 16

Radioactive iodine therapy is an example of _______

Answer 16

unsealed brachytherapy

Question 17

Name precautions for radioactive iodine therapy

Answer 17

minimize direct contact for 2-3 days, double-flush toilet, separately launder clothes, towels

Question 18

Positioning for post-op thyroidectomy

Answer 18

Place in semi-fowlers with head on pillow; avoid flexion or any tension on suture lines

Question 19

What is myxedema?

Answer 19

Term used to refer to the changes seen in the skin and tissues seen with prolonged hypothyroidism. Swelling is hard and non-pitting.

Question 20

Treatment for myxedema coma

Answer 20

IV thyroid hormones and steroids

Question 21

Treatment for hypothyroidism

Answer 21

Thyroid hormone replacement (levothyroxine)