Lesson 1E (Part 1) Flashcards Preview

High Resolution > Lesson 1E (Part 1) > Flashcards

Flashcards in Lesson 1E (Part 1) Deck (33)
Loading flashcards...
1

What are the types of thyroid gland diseases? (5)

1. Hyperthyroidism
2. Hypothyroidism
3. Inflammatory/immune
4. Goiter
- adenoma (benign)
5. Tumours

2

What are abnormal thyroid functions caused by? (3)

1. Thyroid disease
2. Disorders of the pituitary or hypothalamus
3. Insufficient dietary iodine

3

What are the main effects of abnormal thyroid function caused by?

An abnormally high or low basal metabolic rate

4

What is another name for hyperthyroidism?

Thyrotoxicosis

5

What is hyperthyroidism?

Excessive levels of T3 and T4

6

What are the main effects of hyperthyroidism due to?

Increased basal metabolic rate

7

What is a common consequence of an aging heart?

Cardiac failure

8

How does cardiac failure affect the heart?

The heart has to work harder to deliver more blood and nutrients to the hyperactive body cells

9

What does hyperthyroidism cause? (3)

1. Graves' disease
2. Toxic nodular goiter
3. Adenoma
- a benign tumour

10

When does hypothyroidism occur?

When there is insufficient T3 and T4 secretion

11

What does hypothyroidism cause? (2)

1. Congenital hypothyroidism in children
2. Myxoedema in adults

12

What is an another term for congenital hypothyrodism?

Cretinism

13

Cretinism

Profound deficiency or absence of thyroid hormones that becomes evident a few weeks or months after birth

14

Where is hypothyroidism and endemic?

In the parts of the world where the diet is severely deficient in iodine and contains insufficient for synthesis of T3 and T4

15

What does the absence of thyroid hormones result in?

Profound impairment of growth and mental development
- unless treatment begins early

16

Why kind of impairments is there in cretinism? (5)

1. Has disproportionately short limbs
2. A large protruding tongue
3. Coarse dry skin
4. Poor abdominal muscle tone
- rounded belly
5. Umbilical hernia.

17

What is myxoedema more common in? (2)

1. The elderly
2. Females
- 5x more than men

18

What does deficiency of T3 and T4 in adults result in?

An abnormally low metabolic rate

19

What are the found causes for my myxoedema? (3)

1. Autoimmune thyroiditis
2. Severe iodine deficiency
3. Healthcare interventions
- e.g. antithyroid drugs, surgical removal of thyroid tissue or ionizing radiation

20

What percent of graves disease are hyperthyroiditis?

85%

21

Who does graves disease affect the most?

Women
- between ages 30-50

22

What kind of disorder is graves disease?

Autoimmune disorder

23

Autoimmune disorder

Antibody that mimics the effects of TSH is produced

24

Goitre

Visible enlargement of the gland

25

What stimulates thyroid growth?

Goitre

26

What is a sign of Graves' disease?

Exophthalmos

27

Exophthalmos

Abnormal protrusion of the eyeballs
- bulging

28

What kind of vascularity does greaves disease have?

High vascularity

29

What causes exophthalmos?

Due to the deposition of excess fat and fibrous tissue behind the eyes

30

What is another word for de quervains thyroiditis?

Subacute granulomatous thyroiditis