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CN V Trigeminal
Arterial Blood Flow Around the Face
Neck Muscles
Positional Anatomy
Applied Anatomy
100

What are the 3 branches of CN V Trigeminal?

CN V1: Ophthalmic division

CN V2: Maxillary division

CN V3: Mandibular division

100

From which artery does the superior thyroid artery branch off?

External carotid artery

100
This neck muscle is responsible for rotation and cervical flexion in the neck. It is innervated by CN XI spinal accessory nerve. 

Sternocleidomastoid

100

Zonular fibers are located _________ to the lens.

lateral

100
The carotid sheath, a protective tube, contains the _______, ________, and _______. 

Common carotid artery

Internal jugular vein

CN X vagus nerve

200

Which bony landmark does CN V2 pass through?

Foramen rotundum

200

Blood flows from the external carotid artery through the __________ artery to reach the buccal artery. 

Maxillary artery

200

These scalene muscles lift the first rib and bend the neck on their same side. 

Anterior and middle scalene m.m.

200
The thyroid gland sits __________ to the thyroid cartilage.

superficial

200

Thyroid cartilage surrounds and protects the ______________.

Vocal chords

300

What are the four ganglion present along CN V Trigeminal?

Ciliary ganglion, Pterygopalatine ganglion, Otic ganglion, Submandibular ganglion
300

After the buccal artery, the maxillary artery branches into the _________ branches and __________ artery. 

Superior alveolar (branches)

Sphenopalatine (artery)

300

Which hyoid muscles are innervated by CN VII facial n.?

Stylohyoid and posterior belly of digastric muscles.
300

Layers of the brain:

Most superficial ---> deepest

Dura mater

Arachnoid mater

Pia mater

300

The _________ divides the right and left lobe of the thyroid. Sometimes, a third lobe develops here called the pyramid lobe.

isthmus

400

Which nerve activates the pterygopalatine ganglion?

(Specific nerve and cranial nerve)

Greater petrosal nerve; CN VII facial

400

The inferior thyroid artery branches off of the _________________.

Thyrocervical trunk

400

Sternohyoid, omohyoid, sternothyroid, and thyrohyoid are all innervated by this (SPECIFIC NAME)

Ansa cervicalis 
400

The lingual artery travels ___________ to the tongue. 

inferior

400
Located on the retina, the __________ feeds the optic nerve from optic fibers. 

Optic disc

500

The lingual nerve branches off of which division of CN V?

CN V3: Mandibular division

500

Origin: Common carotid artery

Next artery: ___________

Target: Tongue and palatine tonsils


Lingual artery

500

This is the only hyoid muscle with a unique innervation.

Geniohyoid muscle 

(innervated by C1)

500

The scala vestibuli is located ________ to the scala tympani.

superior

500

This space, known as "the danger space" of the pharynx, connects to the mediastinum and can make it easy for infection to travel to the heart. 

Retropharyngeal space