Head Anatomy

Question 1

The right lymphatic duct enters the venous system where?

Answer 1

At the junction between the right subclavian vein and the right internal jugular vein

Question 2

The thoracic duct enters the venous system where?

Answer 2

At the junction between the left subclavian vein and the internal jugular vein

Question 3

List the paranasal sinuses

Answer 3

frontal, maxillary, ethmoid, and sphenoid

Question 4

What sinuses drain into the middle and superior nasal meatuses?

Answer 4

frontal, maxillary, and ethmoid

Question 5

Where does the sphenoid sinus drain?

Answer 5

Into the sphenoethmoid recess

Question 6

Where in the nasal cavity does the nasolacrimal duct open?

Answer 6

The inferior nasal meatus

Question 7

What are the three regions of the pharynx?

Answer 7

Nasopharynx, oropharynx, and the laryngopharynx

Question 8

What are the borders of the nasopharynx?

Answer 8

The region above the soft palate and posterior to the nasal cavities

Question 9

What are the borders of the oropharynx?

Answer 9

The region between the soft palate and epiglottis

Question 10

What are the borders of the laryngopharynx?

Answer 10

The region between the epiglottis and the esophagus

Question 11

What are the three major pairs of salivary glands?

Answer 11

parotid, submandibular, and sublingual

Question 12

Where is the opening of the parotid duct?

Answer 12

Opposite the second molar

Question 13

Where is the opening of the submandibular duct?

Answer 13

Opens on either side of the frenulum of the tongue

Question 14

Where is the sublingual duct opening?

Answer 14

Opens around the frenulum of tongue region

Question 15

Sensory innervation to the anterior 2/3 of the tongue?

Answer 15

V3 (Trigeminal, 5)

Question 16

Sensory innervation to the posterior 1/3 of the tongue?

Answer 16

glossopharyngeal (9)

Question 17

Tastebuds on the anterior 2/3 are innervated by?

Answer 17

Facial (7)

Question 18

Motor innervation of the tongue?

Answer 18

Hypoglossal (12)

Question 19

Three major salivary glands?

Answer 19

Parotid, submandibular, and sublingual

Question 20

What CN innervates the uvula?

Answer 20

vagus (10)

note: the deviation will be to the opposite side of the lesion (i.e. right lesion will present with uvula deviating to the left)

Question 21

What opening is found in the ethmoid bulla?

Answer 21

middle ethmoid air cells

Question 22

What openings are found in the hiatus semilunaris of the middle meatus?

Answer 22

Frontal sinus, maxillary sinus, and anterior ethmoid air cells

Question 23

What opening is in the inferior meatus?

Answer 23

nasolacrimal duct

Question 24

What opening is in the superior meatus?

Answer 24

Posterior ethmoid air cells

Question 25

What opens into the sphenoethmoidal recess?

Answer 25

Sphenoid sinuses

Question 26

What CN are associated with the gag reflex?

Answer 26

9 & 10 (glossopharyngeal & vagus)

Question 27

What arteries are associated with Kisselbach’s/Little’s area?

Answer 27

Five branches of the three major arteries (facial, maxillary, and ophthalmic) anastomose

Question 28

What is the sensory innervation for the nasopharynx and the oropharynx?

Answer 28

CN 9 (glossopharyngeal)

Question 29

What is the sensory innervation for the laryngopharynx?

Answer 29

CN 10 (vagus)

Question 30

How many layers compose the ear drum?

Answer 30

Three