Week 8 - He Doesn't Listen To A Word I Say

Front 1

Name 1-10. 11: Name the whole structure, excluding 1.

Back 1

1. Lobule
2. Antihelix
3. Helix
4. Scaphoid Fossa
5. Triangular Fossa
6. Crus of Antihelix
7. External auditory meatus
8. Tragus
9. Intertragic notch
10. Antitragus
11. Pinna or Auricle.

Front 2

What are the margins of the
External ear
Middle ear
Inner ear

Back 2

External ear: Pinna to Tympanic membrane
Middle ear: Tympanic membrane to round and oval windows
Inner ear: Round/oval windows to Cochlear nerve

Front 3

Which structures communicate with the middle ear?

Back 3

1. Mastoid air space, via antrum
2. Nasopharynx, via auditory (eustachian) tube
3. Inner ear, via pressure waves from ossicles through oval window
4. External ear, via tympanic membrane

Front 4

Name the ossicles of the ear and their function

Back 4

Malleus ('hammer') - embedded in tympanic membrane, transmits sound vibrations from TM to incus
Incus ('anvil') - transmits vibrations from malleus to stapes
Stapes ('stirrup') - transmits vibrations from Incus to Oval Window

Front 5

Name the cavities labelled 5, 2, 9.

Back 5

5: Scala vestibuli
2: Cochlear duct
9: Scala Tympani

Front 6

Name the membranes labelled 4, 6, 12.

Back 6

4: Reissner's membrane
6: Tectorial membrane
12: Basillar membrane

Front 7

Name the structures at 3, 11, 7 and 8

Back 7

3: Stria vascularis
11: Organ of Corti
7: Spiral limbus
8: Cochlear nerve

Front 8

List the different tonsils

Back 8

Pharyngeal, palatine, lingual

Front 9

List the three divisions of the pharynx and their vertebral levels

Back 9

Nasopharynx (skull base to C2), oropharynx (C2 to C3), laryngopharynx (C4-C6)

Front 10

List the cartilages of the larynx

Back 10

Epiglottis, 2 x arytenoids, thyroid, cricoid.

Front 11

Name the paranasal sinuses

Back 11

Frontal, ethmoid, sphenoid, maxillary

Front 12

How can you tell which is anterior in otoscopy pictures?

Back 12

The cone of light is anterior