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DHBS 301 > Root of Neck > Flashcards

Root of Neck Flashcards

1
Q

Boundaries of root of neck

A
  • Anterior is manubrium of sternum
  • Lateral is first rib
    = Posterior is body of first thoracic vertebrae
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2
Q

Scalene muscles are considered to be…

A

Accessory respiratory muscles

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3
Q

Scalene muscles actions

A

Ipsilateral tilting of the neck and elevation of the first two ribs

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4
Q

Does the subclavian vein course anterior or posterior to the anterior scalene muscle?

A

Anterior

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5
Q

Does the subclavian artery course anterior or posterior to the anterior scalene muscle?

A

Posterior

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6
Q

What structure is in in between the anterior scalene and middle scalene muscles?

A

Branches of brachial plexus

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7
Q

Interscalene triangle

A

The space between the anterior and middle scalene muscles

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8
Q

Pre-vertebral musculature

A

All the muscles that insert into the vertebrae instead of the ribs

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9
Q

Phrenic nerve

A

Comes from the cervical plexus and goes along the anterior part of the anterior scalene muscle

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10
Q

Where is the phrenic nerve trying to go?

A

Towards thoracic cavity to get to diaphragm

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11
Q

Phrenic nerve function

A

Allows us to breathe

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12
Q

Where is the vagus nerve located?

A
  • In carotid sheath
  • Medial to phrenic nerve
  • Next to internal jugular v. and common carotid a
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13
Q

Right recurrent laryngeal nerve branches from…

A

Vagus nerve

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14
Q

Right recurrent laryngeal nerve goes to the…

A

Larynx

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15
Q

Left recurrent laryngeal nerve branches from…

A

Branches from the vagus nerve in the thoracic cavity, near heart

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16
Q

What groove does the left recurrent laryngeal nerve pass through?

A

Tracheoesophageal groove

17
Q

Tracheoesophageal groove

A

Groove with the trachea and esophagus

18
Q

Sympathetic trunk location

A

Located in the plane posterior to the carotid sheath and anterior to pre-vertebral musculature

19
Q

Sympathetic source

A

Thoracic and lumbar regions

20
Q

Parasympathetic source

A

Craniosacral system

21
Q

The cervical ganglia is included in the…

A

Sympathetic trunk

22
Q

Which pathway is a 2 neuron pathway

A

Autonomic motor innervation

23
Q

Preganglionic neurons are located in the…

A

CNS

24
Q

Preganglionic neurons project their axons into…

A

Autonomic ganglia in the PNS

25
Q

Postganglionic neurons are located in the

A

PNS

26
Q

Postganglionic neurons project their axons to…

A

The target structure, such as a gland, smooth muscle, etc.

27
Q

Steps of sympathetic division are…

A
  • Preganglionic sympathetic neurons in the T1-L2
  • Sympathetic chain
  • Postganglionic sympathetic neurons in the superior cervical ganglion
  • Periarterial plexuses
  • Target structures in the head like glands, smooth muscle, etc
28
Q

Subclavian artery supplies the…

A

Supplies head, brain, neck, and thorax

29
Q

The subclavian artery changes to the axillary artery at the…

A

Armpit

30
Q

What are the 4 major branches of the subclavian artery?

A
  • Internal thoracic
  • Thyrocervical
  • Vertebral artery
  • Costocervical trunk
31
Q

Internal thoracic artery

A

Goes to the chest wall structures

32
Q

Thyrocervical artery

A

Goes upward, branches come off of this but do not need to name them

33
Q

Vertebral artery

A

Immediately goes into the openings in the cervical vertebrae

34
Q

What are the two main arterial suppliers of the brain?

A

Internal carotid artery and vertebral artery

35
Q

Costocervical trunk

A

Going the ribs and cervical area

36
Q
A
37
Q

Subclavian vein joins with the internal jugular vein to form…

A

The brachiocephalic vein

38
Q

Thoracic duct

A

Returns lymph from most of the body into venous circulation

39
Q

Where is the thoracic duct located?

A
  • Left venous angle
  • Corner of the left internal jugular and left subclavian veins

DHBS 301 (21 decks)

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