Hyperthyroidism And Hypothyroidsm

Question 1

The actual synthesis of thyroid hormones occurs in?

• The colloid.
• The follicular cells.
• The blood stream.
• The hypothalamus.

Answer 1

The colloids

Question 2

Iodine and tyrosine will bind together on the colloid to form?

Answer 2

MIT or DIT

• di-iodotyrosine or mono.

Question 3

MIT + DIT produce

Answer 3

T3

Question 4

DIT + DIT produce?

Answer 4

T4

Question 5

The most common cause of hyperthyroidism is?

• Toxic multi nodular goiter.
• Graves’ disease.
• Solitary toxic adenoma.
• Thyroiditis.

Answer 5

Graves’ disease

Question 6

Also known as Plummer’s disease?

• Toxic multi nodular goiter.
• Graves’ disease.
• Solitary toxic adenoma.
• Thyroiditis.

Answer 6

Toxic nodular goiter

Question 7

What is the most common cause of hyperthyroidism in elderly and iodine deficiency endemic areas?

Answer 7

Toxic nodular goiter

Question 8

Which of the following has painless thyroid with NO tenderness?

• Subacute thyroiditis.
• Infectious thyroiditis.
• Radiation induced thyroiditis.
• Postpartum thyroiditis.

Answer 8

Postpartum thyroiditis

Question 9

Used to differentiate between Graves’ disease and painless thyroiditis?

• Thyroid scan.
• Thyroid receptor antibody.
• Thyroid US.
• Thyroid CT.

Answer 9

Thyroid US

Question 10

High thyroglobulin indicates

Answer 10

Thyroiditis

Question 11

Low thyroglobulin indicates?

Answer 11

Factitious

Question 12

Methimazole is preferred over propylthiouracil except during?

Answer 12

1st trimester of pregnancy + thyroid storm

Question 13

The most common cause of hypothyroidism in iodine-sufficient areas of the world?

Answer 13

Hashimoto’s thyroiditis

Question 14

Macroglossia is seen in?

Answer 14

Hypothyroidism

Question 15

Lecothyroxine (T4) is used for?

Answer 15

Hypothyroidism