Thyroid end questions

The longus colli muscle is located: a) posterior to each thyroid lobe b) anterior to the thyroid gland c) between the trachea, esophagus, and sternothyroid muscle d) lateral to the internal jugular vein

A) posterior to each thyroid lobe

The parathyroid glands lie between the _______ aspect of the thyroid gland and the _______ a) posterior; longus colli muscle b) anterior; longus colli muscle c) posterior; trachea d) anterior; trachea

A) posterior; longus colli muscle

The thyroid gland is located on the _______ side of the trachea: a) posterior b) anterior c) right lateral d) left lateral

B) anterior

The lobes of the thyroid gland are bordered laterally by the ______ and ______? a) longus colli muscle, common carotid artery b) common carotid artery, internal jugular vein c) longus colli muscle, internal jugular vein d) common carotid artery, sternohyoid muscle

B) common carotid artery, internal jugular vein

The best way to image the inferior portion of the thyroid lobes is to: a) use a stand-off pad b) have the patient swallow c) use a water path d) have the patient hold their breath

B) have the patient swallow

The long axis of the isthmus is situated ________ and viewed from a ________ scanning plane at the mid-line of the neck a) horizontally, coronal b) horizontally, transverse c) horizontal oblique, transverse oblique d) horizontally, sagittal

B) horizontally, transverse

The thyroid gland is connected in the middle by the: a) pyramidal lobe b) isthmus c) parathyroid glands d) recurrent laryngeal nerve

B) isthmus

The thyroid gland has two lateral _______ connected by the _______? a) lobes; strap muscles b) lobes; isthmus c) lobes; longus colli muscle d) parathyroid glands; isthmus

B) lobes; isthmus

The long sections of the lobes appear sandwiched between the ________ anteriorly and ________ posteriorly a) strap muscles, trachea b) strap muscles, longus colli muscles c) strap muscles, common carotid artery d) longus colli muscles, strap muscles

B) strap muscles, longus colli muscles

Each lobe is oriented vertically in the neck; therefore, the long axes are visualized in sagittal scanning planes a) horizontally, coronal b) vertically, transverse c) horizontally, coronal d) vertically, sagittal

D) vertically, sagittal

The main function of thyroid hormones is to _______ a) increase metabolism b) regulate iodine levels c) stimulate the pituitary gland d) stimulate the hypothalamus

A) increase metabolism

The size of the thyroid gland is: a) influenced by body habitus b) larger in men c) the same size in men and women d) constant

A) influenced by body habitus

Normal parathyroid glands: a) are occasionally identified in young children b) appear isosonic to the thyroid gland c) are not sonographically appreciated d) appear as a bright rim posterior to the thyroid and anterior to the longus colli muscle

A) are occasionally identified in young children

The average , normal adult thyroid gland is approximately______ cm long, cm anteroposteriorly, and cm at its greatest width: a) 5; 3; 3 b) 4 to 6; 3; 3 c) 4 to 6 ; 1.3 to 1.8; 3 d) 7; 1.3 to 1.8; 3

C) 4 to 6 ; 1.3 to 1.8; 3

The thyroid gland is located: a) between the trachea and longus colli muscle b) lateral to the trachea and superior to the larynx c) in the lower, anterior portion of the neck, anterior to the trachea and inferior to the larynx d) in the lower, anterior portion of the neck, posterior to the trachea and superior to the larynx

C) in the lower, anterior portion of the neck, anterior to the trachea and inferior to the larynx

The best approach when scanning the thyroid gland is: a) lateral and coronal b) to compress the thyroid with the transducer to improve imaging c) to use a light touch with the transducer d) to use a stand-off pad

C) to use a light touch with the transducer

The normal thyroid gland generally appears as: a) medium to low-level echoes b) uniform echoes, hypoechoic relative to testes parenchyma c) uniform echoes, isosonic to liver parenchyma d) high-level echoes with coarse echo texture

C) uniform echoes, isosonic to liver parenchyma

The thyroid gland is a) the master gland b) an exocrine gland c) a gastrointestinal accessory gland d) an endocrine gland

D) an endocrine gland

The thyroid gland is ______ relative to the strap muscles? a) hypoechoic b) isosonic c) anechoic d) hyperechoic

D) hyperechoic

The best patient position to scan the thyroid gland is a) sitting upright; chin relaxed b) supine; head to the side c) standing; head extremely hyperextended d) supine; neck mildly hyperextended

D) supine; neck mildly hyperextended