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Anatomy > Anatomy neck > Flashcards

Anatomy neck Flashcards

1
Q

Cervical fascia encasing the SCM and trapezius muscles?

A

Superficial cervical fascia

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2
Q

Thyroid gland is invested in which fascia?

A

Pretracheal fascia

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3
Q

Borders of triangle of auscultation (3)

A

Lat. Dorsi, trapezius, medial border of scapula

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4
Q

Lumbar triangle of Petit borders? (3)

A

iliac crest, lat dorsi, ext oblique

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5
Q

Lumbar hernia is most likely to occur at which site

A

Lumbar triangle of Petit

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6
Q

Conduit of spread of infection from oral region to mediastinum

A

Retropharyngeal space

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7
Q

Cranial nerve that descends through the carotid sheath

A

Vagus

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8
Q

Carotid sheath contents

A

Common and internal carotid arteries, Vagus nerve, IJV

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9
Q

Triangles of the neck (6)

A

Submental, Submandibular, Muscular, Carotid, Posterior, Subclavian

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10
Q

Structures in muscular triangle

A

Thyroid, Parathyroids, Larynx

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11
Q

Nerve that crosses Occipital triangle

A

Spinal accessory nerve

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12
Q

Structures in Subclavian triangle

A

External jugular vein, Subclavian artery

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13
Q

Which group of nodes act as sentinel nodes, for cancers in the thorax or abdomen?

A

Supraclavicular nodes

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14
Q

Approximate weight of thyroid

A

20g

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15
Q

Blood supply of thyroid

A

Superior thyroid artery, Inferior thyroid artery

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16
Q

Origin of superior thyroid artery

A

External carotid

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17
Q

Inferior thyroid artery origin?

A

Thyrocervical trunk

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18
Q

Venous drainage of thyroid?

A

Superior thyroid v., Middle throid v., Inferior thyroid v.

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19
Q

Superior thyroid vein drains into?

A

IJV

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20
Q

Inferior thyroid vein drains into?

A

Brachiocephalic trunk

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21
Q

Middle thyroid vein drains into?

A

IJV

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22
Q

10% of the population have this artery supplying the isthmus of thyroid

A

Thyroid ima artery

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23
Q

Structures in carotid sheath (lateral to medial)

A

IJV, vagus nerve, internal carotid artery

24
Q

First endocrine gland to develop

A

Thyroid

25
Q

Thyroid develops in the fetus on what day of gestation

A

24 days after fertilization

26
Q

Embryonal source of thyroid gland

A

thyroid diverticulum from floor of primordial pharynx

27
Q

Laryngeal prominence in the neck, what cartilage?

A

Thyroid cartilage

28
Q

Unpaired cervical cartilages

A

Thyroid, Epiglottis, Cricoid

29
Q

Paired cartilages

A

Arytenoid, Corniculate, Cuneiform

30
Q

Cricoid cartilage is at which vertebral level?

A

C6

31
Q

Failure of midline fusion of tracheoesophageal septum results in

A

Tracheoesophageal fistula

32
Q

Most common type of tracheoesophageal fistula

A

Esophageal atresia + Tracheoesophageal fistula at distal end (85-90%)

33
Q

Nerve tha maybe injured during ligation of the superior thyroid artery

A

External laryngeal nerve (from sup laryngeal nerve)

34
Q

Sensory innervation of the pharynx above the vocal cord

A

Internal laryngeal nerve (from sup laryngeal nerve)

35
Q

Cricothyroid muscle is innervated by

A

External laryngeal nerve (branch of sup laryngeal nerve)

36
Q

Chief tensor of vocal cords

A

Cricothyroid

37
Q

muscle abductor of vocal cords

A

Posterior cricoarytenoid

38
Q

muscle adductor of vocal cords

A

Lateral cricoarytenoid

39
Q

Left recurrent laryngeal nerve hooks around?

A

Aortic arch

40
Q

Innervation of all vocal cord muscles except cricothyroid

A

Recurrent laryngeal nerve

41
Q

Right recurrent laryngeal nerve hooks around?

A

Right subclavian artery

42
Q

Relaxes the vocal cords

A

Thyroarytenoid

43
Q

Actions of muscles innervated by the recurrent laryngeal nerve

A

adduction, abduction and relaxation of the vocal cords

44
Q

Action of muscle innervated by superior laryngeal nerve

A

tensor of vocal cords

45
Q

Sensory ennervation of below vocal cord area

A

Recurrent laryngeal nerve

46
Q

Ansa cervicalis is formed by

A

Hypoglossal, C1, C2, C3

47
Q

Ansa cervicalis innervates which muscles?

A

Omohyoid, sternothyroid, sternohyoid

48
Q

Cervical plexus formed by

A

C1-C4

49
Q

Phrenic nerve is formed by

A

C3, C4, C5

50
Q

Zones of penetrating neck trauma - Zone 1 borders

A

Clavicles to cricoid cartilage

51
Q

Zones of penetrating neck trauma - Zone 2 borders

A

Cricoid to angle of mandible

52
Q

Zones of penetrating neck trauma - Zone 3 borders

A

Superior to angle of mandible

53
Q

Zones of penetrating neck trauma - Zone 1 contents

A

Lung apices, thyroid, trachea, esophagus, carotid art, jugular veins

54
Q

Zones of penetrating neck trauma - Zone 2 contents

A

thyroid, trachea, esophagus, carotid art, jugular veins

55
Q

Zones of penetrating neck trauma - Zone 3 contents

A

Salivary glands, oropharynx, nasopharynx

56
Q

Zones of penetrating neck trauma with high risk for morbidity and mortality

A

Zone I and III

Anatomy (5 decks)

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