Cervical Viscera & Roof of the Neck Flashcards Preview

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

Flashcards in Cervical Viscera & Roof of the Neck Deck (43):
1

What are the 6 components of the cervical viscera?

Thyroid & parathyroid glands
larynx & trachea
pharynx & esophagus

2

what cervical level does the esophagus starts?

C6

3

What cartilage is deep to thyroid cartilage?

cricoid cartilage

4

What do the fibers look like for the esophagus?

Longititundal and cross fibers

5

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

Isthumus

6

what does the isthumus usually cover?

2-4th tracheal rings, anteriorly

7

What are the 3 arteries of the thyroid gland?

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

8

what are the 3 veins of the thyroid gland?

superior
middle
inferior

9

where does the superior thyroid vein drain?

IJV

10

where does the middle thyroid vein drain?

IJV

11

where does the inferior thyroid vein drain

brachiocephalic v

12

whats the range of # of parathyroid glands?

2-6 glands

13

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

No

14

right recurrent larygneal nerve path

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

15

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

lose your voice

16

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

parathyroid gland
recurrent and external laryngeal nerves

17

what results in damage to RLN?

paralysis of most laryngeal mm (voice)

18

what results in damage to ELN?

paralysis of cricothyroid & inferior pharyngeal constrictor mm.

19

whats the difference between a high or low tracheotomy?

superior to isthmus vs inferior to isthmus

20

what is tracheostomy

creation of a stoma...creating a permanent alternative airway

21

What are the risks of tracheostomy?

Too high, you may hit the isthmus
tOO low, may injure the jugular arch

22

Easier to cut horizontal or vertically for tracheostomy?

Horizontally, cutting cricoid thyroid membrane

23

what is a cricothyrotomy

formation of opening in cricothyroid membrane

24

where can you find cricothyroid membrane?

between cricoid and thyroid cartialage

25

what are the borders of the throracic

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

26

what are the 3 sympathetic ganglia found in cervical region?

superior cervical g
middle cervical g
cervicothoracic g

27

what rami is myelinated?

white rami: carrying info in

28

what rami is unmyelinated?

gray rami: carrying out of sympathetic trunk

29

ANS composed of what?

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

30

What nerve has all p-symp innervation to neck?

vagus

31

sympathetic trunk relays what?

sympathetic innervation to neck

32

ANS controls what function?

visceral functions

33

what does the thoracic duct drain lymph from?

left upper limb
head
neck
thorax
abdomen
& LLs

34

what does the right lympathetic duct drain lymph from?

right upper limb, head, neck, and thorax

35

what are the 3 branches of thyrocerviacal trunk?

suprascapular artery
transverse cervical artery
inferior thyroid artery

36

where do the vertebral vessels enter?

transverse foramen of C6 & superior (C1-C6)

37

what does the vertebral vein drain into?

brachiocephalic vein

38

what is the medial boundary of SCM triangle?

sternal head of SCM

39

what is the lateral boundary of SCM triangle?

clavicular head of SCM

40

what is the inferior border of SCM triangle

clavicle

41

what are the contents of SCM triangle?

IJV

42

IJV puncture can happen from what?

insertion of central venous line (catheter)

43

Subclavian vein puncture can happen from what?

insertion of central venous line