DMS 104 Midterm

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Which of the following is not a thyroid hormone

ADH

Cooper's ligament are the best characterized as which one of the following?

Echogenic line interfaces in the subcutaneous layer

The thyroid an parathyroid are both what?

Endocrine glands

Parathyroid glands are typically located anterior to the thyroid gland and posterior to the longus colli m.

False

The retromammary layer is sonographiclly images as which one of the following?

Hypoechoic

All of the following are part of the major neurovascular bundle except

Inferior thyroid artery

Which one of the following arteries is responsible for supplying blood to more than 1/2 of the breast

Internal mammary

The two lobes of thyroid are connected by the

Isthmus

The parathyroid glands produce a hormone that affects the

Kidneys, bones, and gastrointestinal tract

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

Larynx

Which of the following structures lies posterolateral to the thyroid gland

Longus Colli muscle

What muscle is located posterior to each lobe of the thyroid

Longus colli

All of the following structures from neighboring structures for the thyroid gland except the

Parotid muscle

The breast is sonographically divides into three layers. Which one of the following is incorrect?

Pectoralis major

The parathyroid glands lie between the ___ borders of the ___ lobes of the thyroid gland

Posterior: medial

What is the main function of the thyroid gland?

Regulation of the basal metabolic rate

Which of the following is NOT a strap muscle

Sternocleidomastoid muscle

What muscles seen as thin hypoechoic band immediately anterior to each thyroid lobe

Sternohyoid and sternothyroid C&D

Which of the following is the first branch of the external carotid artery

Superior thyroid artery

A normal extension of the breast tissue into the axillary region is called

Tail of spence

Which of the following regarding the anatomy of the neck and thyroid gland is false?

The trachea form the lateral border of the thyroid gland

Usually ____ parathyroid glands exist

four

The pyramid lobe of the thyroid gland extends from the __

superior isthmus

The lobes of the thyroid gland are connected by

the isthmus

Which of the following transdcuers would be appropriate for evaluation of the thyroid gland and neck on an average patient

10 MHz linear array

What percentage of the population has pyramidal lobe?

10-40%

You have been requested to perform a thyroid ultrasound on a patient with a palpable nodule in the left neck. Which of the following transducer would provide the most optimal scan?

10.0 MHz linear transducer

The functional portion of the breast consists of ____ lobes

15-20

The thyroid gland consists of ___ lobes

2

Normal measurement of the thyroid gland is

2-3 cm in anteroposterior dimensions and 4-6 cm in length

The midportion of the right medial and left lateral breast would be annotated as which one of the following?

3:00

How many parathyroid glands do most adults have?

4

The normal parathyroid glands measure less than ___ mm

4mm

The approximate dimensions of the thyroid gland are

5cm length, 2cm wide, 2 cm deep

The landmark for the posterolateral border of the thyroid gland is the

Common carotid artery (cca)

Which one of the following forms a fibrous "skeleton" that is responsible for maintaining the shape of the breast

Cooper's ligament

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

Thyroliberin

Calcitonin is secreted by parafollicular cells and decrease the blood calcium

True

Calcitonin prevents hypercalcemia

True

The size and shape of the thyroid gland vary in normal patients

True

As a women ages the glandular breast tissue is replaced with ?

fat

Sonographically the normal thyroid gland may be described as having all of the following characteristics except

fine homogenous echo texture.


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