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SP16 Anatomy Exam 2 > Cervical Viscera & Roof of the Neck > Flashcards

Cervical Viscera & Roof of the Neck Flashcards

1
Q

What are the 6 components of the cervical viscera?

A

Thyroid & parathyroid glands
larynx & trachea
pharynx & esophagus

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2
Q

what cervical level does the esophagus starts?

A

C6

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3
Q

What cartilage is deep to thyroid cartilage?

A

cricoid cartilage

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4
Q

What do the fibers look like for the esophagus?

A

Longititundal and cross fibers

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5
Q

What connects the right and left lobe of the thyroid gland?

A

Isthumus

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6
Q

what does the isthumus usually cover?

A

2-4th tracheal rings, anteriorly

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7
Q

What are the 3 arteries of the thyroid gland?

A

superior thyroid a
inferior thyroid a
thyroid ima (inferior mesenteric artery) a

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8
Q

what are the 3 veins of the thyroid gland?

A

superior
middle
inferior

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9
Q

where does the superior thyroid vein drain?

A

IJV

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10
Q

where does the middle thyroid vein drain?

A

IJV

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11
Q

where does the inferior thyroid vein drain

A

brachiocephalic v

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12
Q

whats the range of # of parathyroid glands?

A

2-6 glands

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13
Q

do the right and left recurrent laryngeal nerves have the same path?

A

No

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14
Q

right recurrent larygneal nerve path

A

branch of the vagus
supplies larynx muscles
path: loops under subclavian artery

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15
Q

what happens if you cut both left and right recurrent nerves?

A

lose your voice

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16
Q

what are the 3 things that are in danger during a thyroidectomy?

A

parathyroid gland

recurrent and external laryngeal nerves

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17
Q

what results in damage to RLN?

A

paralysis of most laryngeal mm (voice)

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18
Q

what results in damage to ELN?

A

paralysis of cricothyroid & inferior pharyngeal constrictor mm.

19
Q

whats the difference between a high or low tracheotomy?

A

superior to isthmus vs inferior to isthmus

20
Q

what is tracheostomy

A

creation of a stoma…creating a permanent alternative airway

21
Q

What are the risks of tracheostomy?

A

Too high, you may hit the isthmus

tOO low, may injure the jugular arch

22
Q

Easier to cut horizontal or vertically for tracheostomy?

A

Horizontally, cutting cricoid thyroid membrane

23
Q

what is a cricothyrotomy

A

formation of opening in cricothyroid membrane

24
Q

where can you find cricothyroid membrane?

A

between cricoid and thyroid cartialage

25
Q

what are the borders of the throracic

A

anterior border: manubrium
lateral border: 1st rib
posterior: vertebral bodies

26
Q

what are the 3 sympathetic ganglia found in cervical region?

A

superior cervical g
middle cervical g
cervicothoracic g

27
Q

what rami is myelinated?

A

white rami: carrying info in

28
Q

what rami is unmyelinated?

A

gray rami: carrying out of sympathetic trunk

29
Q

ANS composed of what?

A 
parasympathetic (CNs & S2-4)
sympathetic nerves (T1-L2)
30
Q

What nerve has all p-symp innervation to neck?

A

vagus

31
Q

sympathetic trunk relays what?

A

sympathetic innervation to neck

32
Q

ANS controls what function?

A

visceral functions

33
Q

what does the thoracic duct drain lymph from?

A 
left upper limb
head
neck
thorax
abdomen 
& LLs
34
Q

what does the right lympathetic duct drain lymph from?

A

right upper limb, head, neck, and thorax

35
Q

what are the 3 branches of thyrocerviacal trunk?

A

suprascapular artery
transverse cervical artery
inferior thyroid artery

36
Q

where do the vertebral vessels enter?

A

transverse foramen of C6 & superior (C1-C6)

37
Q

what does the vertebral vein drain into?

A

brachiocephalic vein

38
Q

what is the medial boundary of SCM triangle?

A

sternal head of SCM

39
Q

what is the lateral boundary of SCM triangle?

A

clavicular head of SCM

40
Q

what is the inferior border of SCM triangle

A

clavicle

41
Q

what are the contents of SCM triangle?

A

IJV

42
Q

IJV puncture can happen from what?

A

insertion of central venous line (catheter)

43
Q

Subclavian vein puncture can happen from what?

A

insertion of central venous line

SP16 Anatomy Exam 2 (14 decks)

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