Extra Fun Facts

Question 1

Contents of the Carotid Sheath

Answer 1

Internal Jugular Vein
Carotid Artery
Vagus Nerve
Lymph Nodes

Question 2

Occipital Triangle

Answer 2

SCM, Trap, Inf. Belly Omohyoid
Brachial Plxs, Accessory n. (Trap, SCM)
Occ. Lymph Nodes

Question 3

Subclavian Triangle

Answer 3

SCM, Clavicle, Inf. Belly Omohyoid

Subclavian a., Lymph nodes

Question 4

Muscular Triangle

Answer 4

SCM, Sup. Belly Omohyoid, Midline

Sternothyroid m., Sternohyoid m., Thyroid Gland

Question 5

Carotid Triangle

Answer 5

SCM, Post. Digrastic, Sup. Belly Omohyoid
Hypoglossal n., Carotid Sheath & contents,
branches of ext. carotid a. heading anteriorly

Question 6

Submental Triangle

Answer 6

Ant. Digastric m (L & R), Hyoid Bone
Submental Lymph nodes

—> drain central lower lip, central incisors & gingiva, tip of tongue

—> only one that crosses the midline

Question 7

Submandibular Triangle

Answer 7

Mandible, Post. Digastric, Ant. Digastric
Facial a., Submandibular Gland, Hypoglossal n., Submandibular Lymph Nodes

—> L.N.s drain most of oral cavity

Question 8

Anterior Longitudinal Ligament becomes…

Answer 8

Anterior Atlanto-Occipital Membrane

Question 9

Posterior Longitudinal Ligament becomes…

Answer 9

Tectorial Membrane

Question 10

Ligamentum Flavum becomes…

Answer 10

Posterior Atlanto-Occipital Membrane

Question 11

Gag Reflex nerves…

Answer 11

Sens = Pharyngeal br. of Glossopharyngeal
Motor = Pharyngeal br. of Vagus

Question 12

Pupilary Reflex…

Answer 12

Sens = Optic Nerve
Motor = Oculomotor nerve (III) parasympathetic

Question 13

Pretracheal Fascia continuous with…

Answer 13

Buccopharyngeal fascia (superiorly)

Question 14

Prevertebral Fascia continuous with…

Answer 14

Axillary Sheath (inferiorly),
Anterior Longitudinal Ligament (superiorly)

—>Forms floor of posterior triangle

Question 15

Investing Fascia continuous with…

Answer 15

Parotid Fascia (superiorly)

Question 16

Retropharyngeal space contains…

Answer 16

loose ariolar tissue

allows for ease of mvmt of larynx in swallowing

Question 17

Retropharyngeal space continuous with…

Answer 17

Mediastinum (inferiorly)

Question 18

What muscle is attached to the malleus?

Answer 18

Tensor Tympani

Question 19

What muscle is attached to the stapes?

Answer 19

Stapedius

Question 20

What does Tensor Tympani do?

Answer 20

dampens mvmt of malleus

Question 21

What does stapedius do?

Answer 21

dampens vibration of stapes

Question 22

The 6th pharyngeal arch gives rise to…

Answer 22

The all intrinsic muscles of the larynx except the cricothyroid.

The cricoid, arytenoid, and corniculate cartilage.

The recurrent laryngeal nerve! Vagus nerve.

Question 23

What ligament limits rotation of the atlanto-occipital joint?

Answer 23

Alar (check) ligament

Question 24

Contents of Pretrachel fasica?

Answer 24

infrahyoid muscles, thyroid gland, esophagus, trachea

Question 25

Buccopharyngeal fascia is the...

Answer 25

external epimysium of constrictor muscles (pharynx) Super.

Question 26

Superficial cervical fascia contains...

Answer 26

platysma muscle

Question 27

What ligament maintains articulation btwn dens and anterior arch of atlas?

Answer 27

Transverse (cruciate) ligament of the Atlas

Question 28

Suboccipital n. (Dorsal C1) innervates...

Answer 28

1. Rectus Cap. Post. Maj. 2. Rectus Cap. Post. Min. 3. Inf. Oblique 4. Sup. Oblique 5. Semispinalis Cap.

Question 29

Greater Occipital n. (Dorsal C2) innervates

Answer 29

1. Splenius Cap. 2. Longissumus Cap. 3. Semispinalis Cap. (yes, dual innervation)

Question 30

Dorsal Ramus C-anything... | Lateral Ramus vs. Medial Ramus

Answer 30

``` Lateral = Motor (LMN, Sens, PostSymp) Medial = Cutaneous (Sens, PostSymp) ```

Question 31

4 muscles innervated by Ansa Cervicalis

Answer 31

Omo-Sup Omo- Inf Sternohyoid Sternothyroid

Question 32

Tell me about the Pterion...

Answer 32

Spot where 4 bones come together 1. the parietal bone 2. the squamous part of temporal bone 3. the greater wing of sphenoid bone 4. the frontal bone ---> Middle Meningeal Artery runs medial to this point.

Question 33

Superior Oblique eye Movements

Answer 33

1. Abduction 2. Intorsion 3. Depression

Question 34

Inferior Oblique eye Movements

Answer 34

1. Abduction 2. Extorsion 3. Elevation

Question 35

What muscle does the greater occipital nerve "pierce"?

Answer 35

Semispinalis Capitus Muscle

Question 36

Which Nerves contain TASTE?

Answer 36

1. Greater Palatine (V max / Facial) 2. Lesser Palatine (V max / Facial) - --> T. really travels back w/ Facial via. N. of the Pt.Canal & then Greater Petrosal N. 3. Lingual Br. of Mandibular n. 4. Lingual Br. of Glossopharyngeal 5. Internal Laryngeal (and hence Sup. Laryg of X)

Question 37

Ventral Ramus C1

Answer 37

Travels with Hypoglossal (XII) briefly 1. Geniohyoid m. 2. Thyrohyoid m.

Question 38

Pterygomandibular Raphe

Answer 38

Pt. hamulus to post. mylohyoid line Att. point of buccinator and sup. constrictor

Question 39

Stylomandibular ligament

Answer 39

styloid apex to angle of mandible

Question 40

Sphenomandibular ligament

Answer 40

spine of sphenoid bone to lingula on mandible landmark for inf. alveolar block Maintains axis of the joint so inf. alveolar n., a., v. pass smoothly past lingula into mandibular foramen.

Question 41

Upper TMJ compartment

Answer 41

Gliding (plane) synovial

Question 42

Lower TMJ compartment

Answer 42

HInge synovial

Question 43

Atlanto-Occipital joint

Answer 43

synovial - ellipsoidal

Question 44

Medial Atlanto-Axial joint

Answer 44

synovial - pivot

Question 45

Lateral Atlanto-Axial joints

Answer 45

synovial - plane (gliding)

Question 46

Zygapophysial joint (facet)

Answer 46

synovial - plane (gliding)

Question 47

Upper Elastic Posterior Lamina...

Answer 47

The "ligament" that attaches the TMJ joint to the squamotypmanic fissure

Question 48

Long Buccal n. passes ...

Answer 48

between the two heads of the lateral pterygoid muscle

Question 49

action of the lateral pterygoid muscle?

Answer 49

protrusion of the jaw | grinding of the jaw