Thyroid

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A patient comes into the U/S dept...of the neck. Upon examination the thyroid, you visualize a heterogenous structure posterior to the left...target sign appearance. What is most suspicious of this finding?

Esophagus

Two superior thyroid arteries branch off from the ______ ....the upper poles of the thyroid.

External carotid arteries

T/F Hashimoto's thyroiditis is a destructive autoimmune disorder....comes with a gradual or fairly abrupt onset...

False

T/F When thyroid hormones are needed in the body, they.....the bloodstream by the action of PTH, parathyroid hormone?

False

T/F medullary carcinoma is associated with prior neck....radiation exposure.

False

T/f Anaplastic carcinoma is not associated with poor neck...or radiation exposure.

False

A solitary thyroid nodule in the presence of ipslateral lymphadenopthay suggest which one of the following?

Follicular carcinoma

Usually_______ parathyroid glands exist

Four

Increased VASCULARITY with color Doppler termed thyroid inferno is observed in:

Graves Disease

Which one of the following sonographic features of a thyroid adenoma is the most common?

Hypoechoic peripheral halo

The most common cause of thyroid disorders world wide is which one of the following?

Iodine deficiency

The lobes of the thyroid gland are connected by the:

Ishmus

The parathyroid glands produce a hormone that affects the:

Kidneys, bone and GI tract

Which one of the following structures lies medial to the left thyroid lobe?

Larynx

Which one of the following muscles is located posterior to the thyroid gland?

Longus colli

Which one of the following structures lies posterolaterally to the thyroid gland?

Longus colli muscle

The most common cause of thyroid malignancy is ________ carcinoma.

Papillary

The most common cause of primary hyperparathyoidism ...one of the following:

Parathyroid adenoma

All the following structures forms neighboring.....thyroid gland except the:

Parotid muscle

The parathyroid glands are located:

Posterior to the thyroid gland and anterior to the longs colli muscle

The normal parathyroid glands are located on the _______ and the _____ surface of the thyroid gland.

Posterior; medial

Hyper function of all parathyroid glands with...occurs with which one of the following?

Primary hyperplasia of the parathyroid glands

The thyroid gland develops at the floor of which structure?

Primitive pharynx

An abnormal lymph node demonstrates which one fo the following?

Round contour

Large muscles that are anterolateral to the thyroid are:

Sternocleidomastoid muscles

The strap muscles consist of:

Sternohyoid, omonhyoid, sternothyoid

The pyramidal lobe at the thyroid gland extends from the:

Superior isthmus

A patient presents with a palpable anterior...denies any recent surgery or fever. A nonvascular...incentivized extending from the superior portion ...patients chin on the basis of this clinical history, ...the findings are most suspicious for a:

Thyroglossal cyst

A ____ is a palpable anterior midline mass between the bone and the isthmus of the thyroid gland.

Thyroglossal duct cyst

A patient presents with a superficial neck mass located...the jaw. On U/S, the mass demonstrates a few...with in an anechoic mass. On the basis of this clinical history, the sono finding are suspicious for:

Brachial cleft cyst

A cystic formation located lateral to the thyroid gland....typically which one of the following?

Bronchial cleft cyst

The thyroid is an endocrine gland that regulates metabolic function the production of all the following except:

Thyroliberin

T/F de Quervian's thyroiditis is caused by a viral infection

True

T/F the pituitary gland is stimulated when there is....hormones

True

The thyroid gland consist of ____ lobes.

Two


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