THYROID DISORDERS

Question 1

function of thyroid hormones

Answer 1

control the rate of glucose which is used by the cell
brain development
growth

Question 2

other name for T3

Answer 2

triiodothyronine

Question 3

other name for T4

Answer 3

tetraiodothyronine

Question 4

this is an important part of thyroid hormone that is stored in the thyroid gland

Answer 4

iodine

Question 5

how does goiter happens?

Answer 5

thyroid gland is enlarging to compensate for decreased iodine in the body

Question 6

most common cause of goiter

Answer 6

iodine deficiency

Question 7

a condition where there is oversecretion of thyroid hormones

Answer 7

hyperthyroidism

Question 8

an autoimmune disorder that causes hyperthyroidism

Answer 8

grave’s disease

Question 9

components of grave’s disease

Answer 9

enlarged thyroid gland, exophthalmos, thyrotoxicosis

Question 10

a term for s/sx of hyperthyroidism

Answer 10

thyrotoxicosis

Question 11

another cause of hyperthyroidism caused by tumor

Answer 11

thyroid adenoma

Question 12

manifestation of hyperthyroidism in weight

Answer 12

weight loss

Question 13

manifestation of hyperthyroidism in CNS

Answer 13

irritability and restlessness

Question 14

manifestation of hyperthyroidism in temperature

Answer 14

heat intolerance

Question 15

hallmark of hyperthyroidism

Answer 15

heat intolerance

Question 16

manifestation of hyperthyroidism in GIT

Answer 16

diarrhea

Question 17

manifestation of hyperthyroidism in SNS

Answer 17

increased SNS = tachycardia, sweating, tremors

Question 18

too much thyroid hormones will lead to

Answer 18

thyroid storm/crisis

Question 19

s/sx of thyroid storm

Answer 19

tachyarrhythmias
hypertension
hyperthermia

Question 20

what feedback mechanism will be activated if there is increased thyroid hormones?

Answer 20

negative feedback mechanism

Question 21

what feedback mechanism will be activated if there is decreased thyroid hormones?

Answer 21

positive feedback mechanism

Question 22

if thyroid hormones is increased, it will send signal to pituitary gland to decrease the TSH to decrease the thyroid hormones back to normal

Answer 22

negative feedback mechanism

Question 23

if thyroid hormones is decreased, it will send signal to pituitary gland to increase the TSH to increase the hormones back to normal

Answer 23

positive feedback mechanism

Question 24

why do we measure the thyroid hormones level as well as the TSH?

Answer 24

to determine where is the problem

Question 25

if the thyroid hormones are increased and the TSH is decreased, where is the problem?

Answer 25

thyroid gland - pituitary gland is functioning well bec. there is intact feedback mechanism but there is problem in thyroid gland

Question 26

if the thyroid hormones and TSH are increased, where is the problem?

Answer 26

pituitary gland - no feedback mechanism

Question 27

if the thyroid hormones are decreased and the TSH is increased, where is the problem?

Answer 27

thyroid gland - there is feedback mechanism

Question 28

if both the thyroid hormones and TSH are decreased, where is the problem?

Answer 28

pituitary gland - no feedback mechanism

Question 29

hyperfunctioning of thyroid gland will reveal what in the thyroid scan?

Answer 29

hotspots

Question 30

hypofunctioning of the thyroid gland will reveal what in the thyroid scan?

Answer 30

cold spots

Question 31

what does the thyroid ultrasound reveals?

Answer 31

if there is presence of tumor and if its cystic or solid

Question 32

damage to laryngeal nerve during thyroidectomy may manifest

Answer 32

hoarseness of voice

Question 33

diet for patients with hyperthyroidism

Answer 33

high protein, high caloric, high residue - fast metabolism

Question 34

anti-thyroid drugs that dec. the synthesis of t3 and t4

Answer 34

propylthiouracil

Question 35

adverse effect of PTU

Answer 35

hypothyroidism agranulocytosis

Question 36

anti-thyroid drugs that dec. the synthesis of t3 from t4

Answer 36

methimazole carbimazole

Question 37

anti-thyroid drugs that is being administered prior to surgery to dec. thyroid hormones as well as the hypervascularity of the gland

Answer 37

lugol's solution

Question 38

a condition where there is undersecretion of thyroid hormones

Answer 38

hypothyroidism

Question 39

an autoimmune disorder that causes hypothyroidism

Answer 39

hashimoto's thyroiditis

Question 40

a condition that causes hypothyroidism as well as mental and physical retardation

Answer 40

cretinism

Question 41

manifestation of hypothyroidism in CNS

Answer 41

forgetfulness, slowing of intellectual function

Question 42

manifestation of hypothyroidism in GIT

Answer 42

constipation

Question 43

manifestation of hypothyroidism in weight

Answer 43

weight gain

Question 44

manifestation of hypothyroidism in SNS

Answer 44

decreased SNS = bradycardia, hypotension

Question 45

manifestation of hypothyroidism in temperature

Answer 45

cold intolerance

Question 46

hallmark of hypothyroidism

Answer 46

cold intolerance

Question 47

cause of myxedema

Answer 47

accumulation of polysaccharides in the interstitial space due to dec. metabolism of carbohydrates

Question 48

characteristics of myxedema

Answer 48

dry skin coarse and scaly skin brownish to yellowish skin

Question 49

complication that may arise if myxedema accumulate in the heart

Answer 49

cardiogenic shock - heart becomes flabby

Question 50

complication that may arise if myxedema accumulate in the brain

Answer 50

myxedema coma

Question 51

manifestation of hypothyroidism in ECG

Answer 51

sinus bradycardia

Question 52

manifestation of hyperthyroidism in ECG

Answer 52

sinus tachycardia

Question 53

diet of patients with hypothyroidism

Answer 53

high fiber, low fat, low sugar, low cholesterol

Question 54

drug replacement for hypothyroidism

Answer 54

levothyroxine levothyronine

Question 55

when do you administer levothyroxine?

Answer 55

during morning