neck

Question 1

when does the thyroid gland develop in utero

Answer 1

3rd week

Question 2

location of the thyroid

Answer 2

ant. to trachea

Question 3

superior extension of the ithmus is called

Answer 3

pyramidal lobe

Question 4

the hypothalamus produces what

Answer 4

thyroid releasing hormone

Question 5

the pituitary gland produces what

Answer 5

thyroid stimulating hormone

Question 6

what is a colloid composed of

Answer 6

proteins and hormones

Question 7

t4

Answer 7

thyroxine

Question 8

t3

Answer 8

triiodothyronine

Question 9

what does the thyroid utilize to produce t3 and t4

Answer 9

iodine

Question 10

most abundant hormone produced by the thyroid

Answer 10

t4

Question 11

strap muscles (sternohyoid, sternothyroid, omohyoid) relation to thyroid

Answer 11

ant to each lobe

Question 12

sternocleidomastoid muscles relationship to thyroid

Answer 12

lateral to each lobe

Question 13

longus colli muscles relationship to thyroid

Answer 13

post. to each lobe

Question 14

esophagus most often seen

Answer 14

left side post.

Question 15

most medial vessel to the thyroid

Answer 15

common carotid artery

Question 16

first branch of the external carotid artery

Answer 16

sup. thyroid artery

Question 17

normal thyroid length

Answer 17

4 to 6 cm

Question 18

normal thyroid width

Answer 18

2 to 3 cm

Question 19

normal ithmus

Answer 19

2 to 6mm

Question 20

goiter

Answer 20

enlargement of the thyroid gland

Question 21

causes of goiter

Answer 21

iodine deficiency
graves disease
thyroiditis

Question 22

what does the ithmus measure with goiter

Answer 22

> 10mm

Question 23

sono findings of goiter

Answer 23

heterogenous texture
multiple cystic nodules w/ solid components

Question 24

most common cause of hyperthyroid

Answer 24

graves disease

Question 25

clinical findings of graves disease

Answer 25

bulging eyes heat intolerance nervousness weight loss hair loss

Question 26

sono findings of graves disease

Answer 26

hetero texture thyroid inferno (hypervascularity) enlarged

Question 27

most common cause of HYPO thyroid

Answer 27

hashimotos

Question 28

clinical findings of hashimotos

Answer 28

depression increased cold sensitivity elevated cholesterol weight gain

Question 29

sono of a hashimotos thyroid gland

Answer 29

mild enlargement hetero hypervascular

Question 30

most common form of thyroid cancer

Answer 30

papillary thyroid cancer

Question 31

most common benign thyroid nodule

Answer 31

adenoma

Question 32

malignant nodule characteristics

Answer 32

hypo mass micro calcs solitary mass lymph enlargements "cold nodule" on nuclear study

Question 33

benign nodule characteristics

Answer 33

cyst <5mm cystic components hyper mass "hot nodule" on nuclear study

Question 34

parathyroid glands serve as ...

Answer 34

calcium regulators

Question 35

elevated PTH and calcium levels is indicative of

Answer 35

parathyroid adenoma

Question 36

common locations of parathyroid glands

Answer 36

posterior aspect of mid lobes inferior to each lobe

Question 37

normal measurement of lymph nodes

Answer 37

<1 cm

Question 38

normal sono appearance of a lymph node

Answer 38

echogenic center oblonged shape

Question 39

abnormal lymph appearance

Answer 39

>1 cm calcs loss of fatty hilum rounded shape!!

Question 40

where are thyroglossal duct cyst located

Answer 40

superior to the thyroid, midline of the neck near hyoid bone

Question 41

branchial cyst location

Answer 41

near angle of mandible

Question 42

how many parathyroid glands are involved in parathyroid hyperplasia

Answer 42

4

Question 43

hyperparathyroidism is caused by the enlargement of how many parathyroid glands

Answer 43

1

Question 44

what vessel is seen through the transverse foramina of the cervical spine

Answer 44

vertebral artery

Question 45

the thyrocervical trunk arises from what artery

Answer 45

subclavian

Question 46

Where do pheochrmocytomas arise from

Answer 46

The medulla