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NE1 > sloan - deep neck and larynx > Flashcards

sloan - deep neck and larynx Flashcards

1
Q

branches of subclavian and thier branches

A

vertebral
internal thoracic
thyrocervical trunk - suprascapular, transverse cervical, inferior thyroid- gives off ascending cervical
costcocervical trunk- supreme intercostal, deep cervical
dorsal scapular

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2
Q

what is carotid sinus and what does it do

A

slight dilation of common carotid, receptors that sense blood pressure

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3
Q

what does carotid body sense

A

oxygen content

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4
Q

when the carotid sinus is hypersensitive to pressure it produces _____ heart rate, and a _____ in blood pressure and fainting. this is known as

A

slow, drop

carotid sinus hypersensitivity syndrome

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5
Q

carotid bodies exist at the _____ and monitor the oxygen content of blood before it reaches the brain

A

carotid sinus

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6
Q

adjustments to heart rate, resp rate, and blood pressure can be made accordingly based on the oxygen content in carotid sinus via

A

glossopharyngeal nerve and vagus nerve

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7
Q

thyroid gland has a right and left lobe connected by

A

isthmus

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8
Q

blood supply and veins of thyroid gland

A

superior thyroid, inferior thyroid, thyroid ima artery (an anomaly artery)

superior thyroid vein, middle thyroid vein, inferior thyroid vein

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9
Q

where are the parathyroid glands

A

small and located on the posterior surface of thyroid gland

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10
Q

motor branches of cervical plexus

A

nerve to geniohyoid, nerve to thyrohyoid, ansa cervicalis, phrenic nerve, Muscular Branches (Rectus Capitis Anterior M., Rectus Capitis Lateralis M., Longus Capitis M., Longus Colli
M)

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11
Q

Nerve to the Geniohyoid

A

C1

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12
Q

Nerve to the Thyrohyoid

A

C1

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13
Q

Ansa Cervicalis

A

C1-C3

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14
Q

Phrenic Nerve

A

C3-5

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15
Q

Cervical Sympathetic Ganglia
Receive presynaptic fibers from the

A

superior thoracic spinal levels

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16
Q

Anterior vertebral muscles lie directly posterior to the retropharyngeal space and medial to the neurovascular
plane of the cervical and brachial plexuses and subclavian artery

A

Longus Colli, Longus Capitis, Rectus Capitis Anterior, Anterior Scalene

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17
Q

Lateral vertebral muscles lie posterior to the neurovascular plane of the cervical and brachial plexuses and
subclavian artery and form the floor of the lateral cervical region (except for the RCL)

A

Rectus Capitis Lateralis, Splenius Capitis, Levator Scapulae, Middle Scalene, Posterior Scalene

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18
Q

Tough fibroelastic ligament between the superior margin of the thyroid cartilage and the inferior border of the hyoid bone

A

Thyrohyoid membrane

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19
Q

Single Hyaline cartilage
Largest of the laryngeal cartilages

A

Thyroid cartilage

20
Q

Articulates superiorly with the thyroid cartilage
Completely encircles the airway

A

Cricoid cartilage

21
Q

Paired, pyramid-shaped, elastic and hyaline cartilages
serves to change the opening of the vocal folds

A

Arytenoid cartilages

22
Q

Paired, small conical shaped elastic cartilages that articulate with apex of the arytenoid cartilages

A

Corniculate Cartilage

23
Q

Paired, small club-shaped elastic cartilages suspended anterior to the corniculate cartilages

A

Cuneiform Cartilage

24
Q

Leaf-shaped, single elastic cartilage attached by its stem to the posterior aspect of the thyroid cartilage

A

Epiglottis

25
Q

Arch of the cricoid cartilage to the thyroid cartilage

A

Cricothyroid ligament

26
Q

located from laryngeal inlet to the vestibular (ventricular) folds

A

vestibule

27
Q

located superior to the vestibular fold

A

Laryngeal Vestibule

28
Q

Thyroid cartilage to anterolateral surface of arytenoid cartilage

A

Vestibular (ventricular) ligament

29
Q

false vocal cords and contain vestibular ligament

A

vestibular folds

30
Q

Laryngeal space located inferior to the vestibular fold and superior to the vocal Fold

A

Ventricle

31
Q

Extends form the posterior aspect of the thyroid cartilage to the vocal process of the arytenoid cartilage

A

Vocal ligament

32
Q

Voice production by controlling the stream of air passing through the rima glottidis

A

Vocal folds

33
Q

Space between the vocal folds and arytenoid cartilages

A

Rima glottidis

34
Q

Extends from the rima glottidis to the lower border of the cricoid cartilage

A

Infraglottic cavity

35
Q

Paired, lateral portion of fibroelastic membrane that extends between the cricoid cartilage and vocal ligaments

A

Conus elasticus

36
Q

pt needs an emergency procedure where intubation is not possible

A

cricothyrotomy - large needle passed thru cricothyroid membrane to permit entry of air

37
Q

pt will recieve an incision through the skin separation of the infrahyoid muscles and removal/ retraction of isthmus of thyroid gland in order to insert a tube into the trachea to establish an airway

A

tracheotomy

38
Q

during a thyroidectomy, cricoothyrotomy, or aortic aneurysm and may cause respiratory obstruction,
hoarseness, inability to speak and loss of sensation below the vocal cord

A

Lesion of the recurrent laryngeal nerve

39
Q

Loss of sensation in the larynx superior to the vocal cord

A

Lesion of the internal laryngeal nerve

40
Q

Paralysis of the cricothyroid muscle and inability to lengthen/tense the vocal cord causing a fatigued voice and hoarseness
Can occur during thyroidectomy because the nerve accompanies the superior thyroid artery

A

Lesion of the external laryngeal nerve

41
Q

three components of pharynx

A

Nasopharynx
Oropharynx
Laryngopharynx

42
Q

motor innervation of pharynx

A

All muscles are innervated by the vagus nerve (CN X) except for the stylopharyngeus,
which is innervated by the glossopharyngeal nerve (CN IX)

43
Q

muscles of pharynx

A

Superior Pharyngeal Constrictor
Middle Pharyngeal Constrictor
Inferior Pharyngeal Constrictor
Stylopharyngeus:
Salpingopharyngeus
Palatopharyngeus

44
Q

sensory innervation of nasopharynx

A

Nasopharynx: Pharyngeal branch from the maxillary nerve (CN V2)

45
Q

sensory innervation of oropharynx

A

Glossopharyngeal nerve (CN IX)

46
Q

sensory innervation of laryngopharynx

A

Vagus nerve (CN X)

47
Q

Found outside the larynx in the laryngeal pharynx, lateral to the aryepiglottic fold, next to the cricoid
Swallowed lateral foreign bodies may be lodged here

A

Piriform fossae/recess

NE1 (4 decks)

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