Thyroid Gland

Question 1

the isthmus is at the level of ___ tracheal rings

Answer 1

2nd, 3rd, 4th

Question 2

The base of the thyroid gland is at the level of what tracheal rings

Answer 2

4th or fifth

Question 3

the pyramidal lobe is usually seen ___ of midline

right/left

Answer 3

left

Question 4

What muscular band that frequently connects the pyramidal lobe to the hyoid bone

Answer 4

Levator Glandulae Thyroidea

Question 5

The hyoid bone is at the level of what cervical vertebra?

Answer 5

C3

Question 6

The thyroid cartilage is at the level of?

Answer 6

C4

Question 7

The cricoid cartilage is at the level of what cervical vertebra?

Answer 7

C6

Question 8

The superior thyroid artery is a branch of ___

Answer 8

ECA

Question 9

the inferior thyroid artery is a branch of the?

Answer 9

Thyrocervical trunk

Question 10

The superior thyroid vein drains to the ___

Answer 10

IJV

Question 11

The middle thyroid vein drains to the

Answer 11

IJV

Question 12

The inferior thyroid vein drains to the

Answer 12

brachiocephalic vein

Question 13

what artery supplies the isthmus (this is not usually seen)

Answer 13

Thyroid IMA artery

Question 14

The thyroid artery arises from ___

Answer 14

1. Aortic arch

2. Brachiocephalic trunk

Question 15

[Thyroid gland embryology]

The thyroid gland develops how many days after fertilization

Answer 15

24 days

Question 16

the primordial pharynx forms a small outpouching called

Answer 16

Thyroid diverticulum

Question 17

[Thyroid gland embryology]

what connects the developing thyroid gland and the tongue

Answer 17

thyroglossal duct

Question 18

[Thyroid gland embryology]

what is the remnant of the thyroglossal duct?

Answer 18

foramen cecum

Question 19

The most common location of an ectopic thyroid

Answer 19

lingual

Question 20

[Thyroglossal duct/Branchial cyst]

midline, near hyoid, moves with swallowing

Answer 20

thyroglossal duct cyst

Question 21

[Thyroglossal duct/Branchial cyst]

lateral to midline
anterior to SCM
Does not move with degluttition

Answer 21

Branchial cleft cyst

Question 22

[Cervical Lymph Nodes]

lie above

Answer 22

deep cervical fascia

Question 23

[Cervical Lymph Nodes]

lie along the ___ in the posterior triangle

Answer 23

External jugular vein

Question 24

[Cervical Lymph Nodes]

lie along the ____ anterior triangle

Answer 24

Anterio jugular vein

Question 25

[Cervical Lymph Nodes] What structure drain into deep cervical nodes

Answer 25

1. Submental 2. Submandibular 3. Occipital 4. Anterior cervical 5. Superficial cervical

Question 26

[Cervical Lymph Nodes] What lies along the IJV in the carotid triangle of the neck

Answer 26

Superior Deep Cervical

Question 27

[Cervical Lymph Nodes] What lie along the IJV near the subclavian vein

Answer 27

Inferior Deep Cervical

Question 28

[Cervical Lymph Nodes] The left deep cervical LN drain to the ____

Answer 28

thoracic duct

Question 29

[Cervical Lymph Nodes] the right deep cervical LN drain to the

Answer 29

right lymphatic duct

Question 30

Draw the different LN of the neck triangles

Answer 30

:)

Question 31

[Cervical Lymph node level] Submental nodes

Answer 31

Level IA

Question 32

[Cervical Lymph node level] submandibular nodes

Answer 32

Level IB

Question 33

[Cervical Lymph node level] jugulo-digastric nodes

Answer 33

Level IIA

Question 34

[Cervical Lymph node level] submuscular nodes

Answer 34

Level IIB

Question 35

[Cervical Lymph node level] Middle jugular

Answer 35

Level III

Question 36

[Cervical Lymph node level] lower jugular

Answer 36

Level IV

Question 37

[Cervical Lymph node level] Lateral to SCM

Answer 37

Level VA

Question 38

[Cervical Lymph node level] lateral to SCM Medial to trapezius inferior to CN XI superior to clavicle

Answer 38

Level VB

Question 39

[Cervical Lymph node level] anterior compartment nodes

Answer 39

Level VI

Question 40

[Cervical Lymph node level] | paratracheal nodes

Answer 40

level VII

Question 41

The tumors within the oral cavity and lip metastasize to what levels of LN?

Answer 41

Level I, II, III

Question 42

Tumors of the oropharynx, hypopharynx, larynx metastasize to what levels of LN

Answer 42

Level II, III, IV

Question 43

Tumors in the nasopharynx and thyroid metastasize to what levels of LN

Answer 43

Level V