Block 2 Head And Neck

Question 1

What are the borders of the submandibular triangle?

Answer 1

Anterior and posterior bellies of the digastric muscle and lower border of the mandible

Question 2

Where does C1 pass?

Answer 2

The roof of the nasal cavity

Question 3

Internal jugular vein and subclavian vein join to make

Answer 3

The brachiocephalic vein

Question 4

The infrahyoid muscles are innervated by

Answer 4

The cervical ansa

Question 5

What are Fontanels?

Answer 5

Unossified remnants of the membranes in newborns.

Question 6

What are the major fontanels?

Answer 6

Anterior: 18-36 m

Posterior, sphenoid, mastoid: 6+ m

Question 7

Cranial nerve has how many branches? What are they?

Answer 7

3
Opthalmic
Maxillary
Mandibular

Question 8

All muscles of mastication are innervated by

Answer 8

Mandibular nerve

Question 9

What is trigeminal neuralgia?

Answer 9

Affects CNV and causes pain to the face in one of the 3 branches.
Triggered by hot cold or touch

Question 10

The only cutaneous muscle in the body

Answer 10

Platysma

Question 11

What’s is congenital torticollis? (Wry neck)

Answer 11

Fibromatosis of the sternocleidomatoid muscle

Head turns to side facing away from affected side

Question 12

What is spasmodic torticollis?

Answer 12

Cranial dystopia with unknown cause

Unilateral deviation of the head

Question 13

Foramina in cubiform plate

Answer 13

Olfactory nerve

Anterior ethmoidal aretery

Question 14

Optic canal

Answer 14

Optic nerve

Otpthalamic artery

Question 15

Superior orbital fissure

Answer 15

Superior opthalmic artery
Lacrimal nerve
Frontal nerve
Trochlear nerve
Abducent nerve
Oculomotor nerve 
Nasociliary nerve

Question 16

Foramen rotundum

Answer 16

Maxillary n

Question 17

Foramen ovale

Answer 17

Mandibular nerve

Venous plexus

Question 18

Hiatus of canal for lesser petrosal nerve

Answer 18

Lesser petrosal nerve

Superior tympanic artery

Question 19

Hiatus of canal for greater petrosal nerve

Answer 19

Greater petrosal nerve

Question 20

Internal acoustic meatus

Answer 20

Labyrinthine artery and vein
Vestibulococchlear nerve
Facial nerve

Question 21

Foramen magnum

Answer 21

Vertebral artery
Anterior spinal artery
Accessory nerve 
Posterior spinal artery
Spinal vein

Question 22

Incisive canal

Answer 22

Nasopalatine nerve and artery

Question 23

Greater palatine foramen

Answer 23

Greater palatine nerve and artery

Question 24

Lesser palatine foramina

Answer 24

Lesser palatine nerve and artery

Question 25

Foramen lacerum

Answer 25

Passing across: internal carotid artery and it’s accompanying sympathetic and venous plexuses

Question 26

Foramen ovale

Answer 26

Mandibular nerve

Venous plexus

Question 27

Foramen spinosum

Answer 27

Middle meningeal artery and vein

And meningeal branch of CNV 3

Question 28

Petrotypanic fissure

Answer 28

Anterior tympanic artery

Chorda tympani

Question 29

Carotid canal

Answer 29

Internal carotid artery and sympathetic plexus

Question 30

Stylomastoid foramen

Answer 30

Facial nerve

Stylomastoid artery

Question 31

Jugular foramen

Answer 31

Glossopharyngeal nerve
Vagus nerve 
Accessory nerve 
Inferior petrosal sinus 
Posterior meningeal artery
Internal jugular vein

Question 32

Mastoid foramen

Answer 32

Emissary vein

Question 33

Hypodlossal canal

Answer 33

Hypoglssal nerve and venous plexus

Question 34

Condylar canal

Answer 34

Condylar emissary vein