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Anatomy > Thyroid Gland > Flashcards

Thyroid Gland Flashcards

1
Q

the isthmus is at the level of ___ tracheal rings

A

2nd, 3rd, 4th

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2
Q

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

A

4th or fifth

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3
Q

the pyramidal lobe is usually seen ___ of midline

right/left

A

left

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4
Q

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

A

Levator Glandulae Thyroidea

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5
Q

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

A

C3

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6
Q

The thyroid cartilage is at the level of?

A

C4

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7
Q

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

A

C6

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8
Q

The superior thyroid artery is a branch of ___

A

ECA

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9
Q

the inferior thyroid artery is a branch of the?

A

Thyrocervical trunk

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10
Q

The superior thyroid vein drains to the ___

A

IJV

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11
Q

The middle thyroid vein drains to the

A

IJV

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12
Q

The inferior thyroid vein drains to the

A

brachiocephalic vein

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13
Q

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

A

Thyroid IMA artery

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14
Q

The thyroid artery arises from ___

A
  1. Aortic arch

2. Brachiocephalic trunk

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15
Q

[Thyroid gland embryology]

The thyroid gland develops how many days after fertilization

A

24 days

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16
Q

the primordial pharynx forms a small outpouching called

A

Thyroid diverticulum

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17
Q

[Thyroid gland embryology]

what connects the developing thyroid gland and the tongue

A

thyroglossal duct

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18
Q

[Thyroid gland embryology]

what is the remnant of the thyroglossal duct?

A

foramen cecum

19
Q

The most common location of an ectopic thyroid

20
Q

[Thyroglossal duct/Branchial cyst]

midline, near hyoid, moves with swallowing

A

thyroglossal duct cyst

21
Q

[Thyroglossal duct/Branchial cyst]

lateral to midline
anterior to SCM
Does not move with degluttition

A

Branchial cleft cyst

22
Q

[Cervical Lymph Nodes]

lie above

A

deep cervical fascia

23
Q

[Cervical Lymph Nodes]

lie along the ___ in the posterior triangle

A

External jugular vein

24
Q

[Cervical Lymph Nodes]

lie along the ____ anterior triangle

A

Anterio jugular vein

25
Q

[Cervical Lymph Nodes]

What structure drain into deep cervical nodes

A
  1. Submental
  2. Submandibular
  3. Occipital
  4. Anterior cervical
  5. Superficial cervical
26
Q

[Cervical Lymph Nodes]

What lies along the IJV in the carotid triangle of the neck

A

Superior Deep Cervical

27
Q

[Cervical Lymph Nodes]

What lie along the IJV near the subclavian vein

A

Inferior Deep Cervical

28
Q

[Cervical Lymph Nodes]

The left deep cervical LN drain to the ____

A

thoracic duct

29
Q

[Cervical Lymph Nodes]

the right deep cervical LN drain to the

A

right lymphatic duct

30
Q

Draw the different LN of the neck triangles

31
Q

[Cervical Lymph node level]

Submental nodes

32
Q

[Cervical Lymph node level]

submandibular nodes

33
Q

[Cervical Lymph node level]

jugulo-digastric nodes

34
Q

[Cervical Lymph node level]

submuscular nodes

35
Q

[Cervical Lymph node level]

Middle jugular

36
Q

[Cervical Lymph node level]

lower jugular

37
Q

[Cervical Lymph node level]

Lateral to SCM

38
Q

[Cervical Lymph node level]

lateral to SCM
Medial to trapezius
inferior to CN XI
superior to clavicle

39
Q

[Cervical Lymph node level]

anterior compartment nodes

40
Q

[Cervical Lymph node level]

paratracheal nodes

41
Q

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

A

Level I, II, III

42
Q

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

A

Level II, III, IV

43
Q

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

Anatomy (37 decks)

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