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Anatomy Week 14 BT > Parker SG > Flashcards

Parker SG Flashcards

(58 cards)

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1
Q

What forms the floor of the posterior ∆?

A
  • Middle Scalene
  • Posterior Scalene
  • Levator Scapulae
  • Splenius mm.
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2
Q

What forms the posterior ∆?

A
  • SCM (posterior aspect)
  • Trapezius (anterior aspect)
  • Middle 1/3 of Clavicle
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3
Q

What forms the SCALENE ∆?

A
  • Anterior and middle scalene

- Rib 1

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4
Q

T or F: the phenic nerve is in the scalene ∆?

A

FALSE, the phenic n. is NOT in the scalene ∆

**This clears up confusion form Dr. Hasty Lect

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5
Q

What goes through the scalene ∆?

A
  1. Trunks of Brachial Plexus
    - superior
    - middle
    - inferior
  2. Subclavian a. (NOT subclavian v.)
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6
Q

What is the the relationship of the trunks of the brachial plexus to the subclavian a.?

A
  • Superior and Middle go OVER the subclavian a.

- Inferior = DEEP to SUBCLAVIAN a.

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7
Q

What nerve root gives rise to the Dorsal Scapular n.?

A

C5

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8
Q

What nerves/nerve root give rise to the brachial plexus?

A

Superior Trunk of Brachial Plexus

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9
Q

What are the 3 division and 5 Branches of the subclavian a.?

A

Division 1:

  • Vertebral
  • Internal Thoracic
  • Thyrocervical truck (4 branches)

Division 2:
- Costocervical Trunk

Division 3:
- Dorsal Scapular n.

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10
Q

Where does the vertebral a. enter the transverse foramen?

A

C6

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11
Q

What are the 3 branches of the Thryocervical Trunk?

A
  • Inferior Thyroid a.
  • Transverse Cervical a.
  • Subrascapular a.
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12
Q

What arteries pin the phrenic nerve to the anterior scalene?

A
  • Transverse Cervical

- Suprascapular

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13
Q

Which branch originating from subclavian CROSSes the Brachial Plexus and which Weaves THROUGH the brachial plexus?

A

CROSSING:
- Transverse Cervical

THROUGH:
- Dorsal Scapular a.

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14
Q

What artery supplies the Parathyroid glands?

A
  • INFERIOR thyroid artery
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15
Q

What are the two branches of the costocervical trunk?

A
  • Deep Cervical a.

- Supreme Intercostal a.

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16
Q

How does the muscular arragment of the pharynx differ from the rest of the GI tract?

A

Pharynx:
Constictors OUTSIDE
Longitudinal Muscles INSIDE

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17
Q

Is there any GSE supply to the pharynx?

A

NO, its ALL BE from the pharyngeal arch mesoderm

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18
Q

Which fold of the pharyngeal arch mesoderm are the pharyngeal arch mesoderm derived from?
- Innervation?

A
  • ALL are 4/6th arch (CN X) EXCEPT:

Stylopharyngeus - 3rd arch (CN IX)

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19
Q

What is the extent of the nasopharynx?

- GSA innervation

A

Base of skull –> Soft Palate

Anterior:
- CN V(2)

Posterior:
- CN IX

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20
Q

What is the extent of the oropharynx?

- GSA innervation

A

Soft palate –> Hyoid Bone

  • CN IX
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21
Q

What is the extent of the laryngopharynx?

- GSA innervation

A

Hyoid Bone –> Cricoid Cartilage

CN X

  • Above Glottis: Internal Superior Layngeal
  • Below Glottis: Inferior Laryngeal
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22
Q

What do the upper fibers of the Superior Constrictor form?

A
  • Palatopharyngeal Sphincter
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23
Q

What is the Job of the Palatopharyngeal Spincter?

A

Close of Nasopharynx when swallowing

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24
Q

What closes off the OROphary when swallowing?

Study These Flashcards
A
  • Palatopharyngeus
25
What do the upper fibers of the inferior contrictor form?
- Cricopharyngeus m.
26
What pathalogy is associated with the cricopharyngeus m.?
Zenker Diverticulum
27
What to the LOWER fibers of the inferior constrictors form?
UPPER ESOPHAGEAL SPHINCTER
28
What passes ABOVE the superior constrictor?
- Pharyngobasilar Fascia - Pharyngeal arterial Branches - Levator Veli Paltini - Auditory tube
29
**What 2 things pass between the middle and superior constrictor?
- Stylopharyngeus m. | - CN IX (glossopharyngeal)
30
**What passes between the middle and inferior constictor?
- Internal Branch of Superior Laryngeal n. - Superior Laryngeal a. **THESE must pass THROUGH the thyroid membrane
31
**What passes between the inferior constrictor and the esophagus?
- Inferior Laryngeal n.
32
T or F: the inferior constictor is located above the hyoid bone
FALSE
33
What pins the phrenic n. onto anterior scalene?
- Suprascapular a. | - Transverse scapular a.
34
What 3 branches does vagus have in the neck?
- Pharyngeal Branches - Superior Laryngeal n. (both internal and external branches) - Recurrent laryngeal (inferior laryngeal)
35
When does recurrent laryngeal n. become inferior laryngeal n.?
- Superior to the cricothryoid joint
36
What ARTERY travels with the EXTERNAL BRANCH of the SUPERIOR LARYNGEAL N.?
- SUPERIOR THYROID A. **Going to the Cricothyroid m.
37
What ARTERY travels with the INTERNAL branch of the SUPERIOR LARYNGEAL N.?
- Superior Laryngeal a. (=> superior thyroid a.) **Going to larynx
38
What structures pass THROUGH the thyroid membrane?
1. Superior Laryngeal a. 2. Internal Branch of Superior Laryngeal n. **between middle and inferior constrictors
39
What nerve can be found BETWEEN tonsillar pillars (formed by palatoglossal, palatopharyngeal mm.)
Glossopharyngeal n.
40
What nerve loops POSTERIOR to the occipital a.?
Hypoglossal n. (XII) | SCM branch
41
What vertebrae is the larynx anterior to?
C4, C5, C6
42
What supplies motor innervation to the larynx? | - What one exception?
- INFERIOR laryngeal n. - CRICOTHRYOID (External Branch of Superior Laryngeal n.) - BOTH NERVES COME FROM CN X
43
What is innervated (GSA, GVE, PaNS) by the INTERNAL branch of Superior Laryngeal?
- Everything ABOVE and INCLUDING the Glottis ****AND PIRIFORM RECESS
44
What innervates the Infraglottic space? (GSA, GVE, PaNS)
- INFERIOR laryngeal n.
45
What nerve is found Deep to the Mucosa of the Piriform Recess?
- Internal Branch of Superior Laryngeal n.
46
What are the anterior and posterior attachments of the quadrangular ligament?
Anterior: Epiglottis Posterior: Vestibular Ligament
47
What is formed by the inferior free margin or the quadrangular membrane?
- Vocal Folds
48
What are the anterior and posterior attachment of the Conus Elasticus?
Anterior: Cricoid Lamina Posterior: Vocal Ligament
49
What is formed by the SUPERIOR free margin of the Conus Elasticus?
- Vocal Ligament
50
What is the only muscle that ABducts the vocal fold?
POSTERIOR CRICOARYTENOID M.
51
Where are emergency tracheotomies performed?
Cricothyroid Membrane
52
What muscle fine tunes the pitch of the voice?
- Vocalis m.
53
What muscle decreases the pitch of the voice?
- Thyroaryteniod m.
54
What muscle increases the pitch of the voice?
- Cricothryoid m.
55
What muscle is important for coughing?
- Lateral, Transverse, and Oblique Arytenoid Cartilages
56
What is formed by the superior fibers of the thyroarytenoid muscles? - Function?
- Thyroepiglottic m, | - Depresses Epiglottis
57
What does the oblique arytenoid muscle continue onto the epiglottis to form? - function?
- Aryepiglottic m. | - Shrinks Laryngeal Inlet
58
What nerve innervates the muscles and glands of the upper 1/3 of the trachea and esophagus?
- Recurrent Laryngeal

Anatomy Week 14 BT (6 decks)

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