The Neck

Question 1

Level of the hyoid bone

Answer 1

C3

Question 2

Innervation of the anterior part of ear

Answer 2

V3

Question 3

Innervation of the posterior part of ear

Answer 3

C2-C3 spinal nerves

Question 4

Innervation of outer tympanic membrane

Answer 4

Auricular branch of vagus and V3 (auriculotemporal)

Question 5

Innervation of inner tympanic membrane

Answer 5

Glossopharyngeal

Question 6

What can be seen on an otoscopy?

Answer 6

Light reflection, malleus (umbo) and part of the incus

Question 7

What is glue ear?

Answer 7

Glue-like fluid fills behind the tympanic membrane due to eustachian tube dysfunction

Question 8

What are mastoid air cells?

Answer 8

The mastoid air cells are thought to protect the delicate structures of the ear, regulate ear pressure and possibly protect the temporal bone during trauma.

Question 9

What is otosclerosis?

Answer 9

Sclerosis of stapes - conductive hearing loss

Question 10

Where does the trapezius run?

Answer 10

From the back of the occipital bone to the lateral clavicle

Question 11

Where does the sternocleidomastoid run?

Answer 11

From the medial clavicle and manubrium to the mastoid process of temporal bone

Question 12

Where does omohyoid run?

Answer 12

Upper scapular to the lower border of hyoid

Question 13

Where does anterior digastric run?

Answer 13

Digastric fossa on the mandible to hyoid

Question 14

Where does posterior digastric run?

Answer 14

Mastoid process of the temporal bone to the hyoid

Question 15

Where does the isthmus of the thyroid lie?

Answer 15

At the level of the 2nd and 3rd tracheal cartilage

Question 16

What lies in the posterior triangle?

Answer 16

The spinal accessory nerve, brachial plexus and subclavian artery

Question 17

What lies in the digastric triangle?

Answer 17

Submandibular gland and the facial artery

Question 18

What lies in the muscular triangle?

Answer 18

Strap muscles

Question 19

What triangles make up the anterior triangle?

Answer 19

Digastric, muscular, submental and carotid

Question 20

What lies in the carotid triangle?

Answer 20

Carotid artery (common intrinsic and extrinsic), internal jugular vein and vagus nerve

Question 21

What lies in the submental triangle?

Answer 21

Lymph nodes

Question 22

Where do the phrenic nerves pass?

Answer 22

Over the anterior scalene muscle

Question 23

Scalene muscle roots?

Answer 23

C4-C7

Question 24

What does the superficial deep fascia contain?

Answer 24

Sternocleidomastoid and trapezius

Question 25

What is the carotid sheath?

Answer 25

Fascia surrounding the carotid artery and jugular vein and vagus nerve of neck

Question 26

What does the middle layer of deep fascia contain?

Answer 26

Muscular layer surrounding the infrahyoid muscles

Pretracheal (assists in carotid sheath formation) and buccopharyngeal (superior pharyngeal constrictor) layer

Question 27

What does the deep later of deep fascia contain?

Answer 27

Dorsal prevertebral fascia and ventral alar fascia

Question 28

Vertebral and strap muscle roots?

Answer 28

C1-C4