DMS 104 Midterm
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.
