Paranasal sinus, orbit, nasal cavity, ear 11/15/16 TEST#4 Flashcards Preview

Anatomy HFF > Paranasal sinus, orbit, nasal cavity, ear 11/15/16 TEST#4 > Flashcards

Flashcards in Paranasal sinus, orbit, nasal cavity, ear 11/15/16 TEST#4 Deck (41):
1

What are the three external nasal muscles?

-Procerus
-Nasalis
-Levator Labi superioris alaeque nasi

2

T/F
The superior middle and inferior nasal meatus lay above their respective conchae

False
Below

3

What are the major sources of blood for the lateral nasal cavity?

-ICA-opthalmic-Ethmoidal
-ECA-maxillary-sphenopalatine-lateral posterior nasal artery

4

What are the major sources of blood for the nasal septum?

-ICA-opthalmic-Ethomoidal-Anterior septal
-ECA-maxillary sphenopalatine-posterior septal branches
-ECA-Facial-Septal branch of superior labial

5

What innervates the anterior nasal cavity and septum?

-V1 anterior ethmoidal nerve

6

What innervates everything but the anterior nasal cavity and septum in the nasal cavity and septum?

-V2 Sphenopalatine branch

7

What is a unique innervation of the nasal cavity and septum?

-CN I

8

What are the four sinuses found in the head?

-Frontal
-Ethmoid air cells
-Maxillary
-Sphenoid

9

Which three sinuses drain together?

-Frontal
-Ethmoid
-Maxillary

10

What do the frontal, ethmoidal, and maxillary sinuses drain through to get into the nasal cavity?

-Semilunar hiatus

11

What does the maxillary sinus drain through to join the frontal and ethmoidal sinuses?

-Maxillary hiatus

12

If you have swelling behind the ear what could be a cause of that if it is linked to something in the mouth?

-eustatian tube

13

Where in the nose does the frontal, maxillary, and ethmoidal sinuses drain?

-Middle meatus

14

Where does the lacrimal duct drain into the nasal cavity at?

-Inferior meatus

15

How many drainage sites do you have in the paranasal sinuses?

5

16

Of the 5 sites of drainage how many drain sinuses, orbit, and ear respectively?

3
1
1

17

What are four landmarks on the ear?

-Helix
-Lobule
-Tragus
-External auditory meatus

18

What innervates the tragus on the ear?

-V3

19

What innervates the helix of the ear?

-Lesser occipital C2

20

What innervates on the actual ear?

-Vagus
-Facial

21

What innervates the external auditory canal and the outer part of the tympanic membrane?

-CN V
-CN X

22

What innervates the inside part of the tympanic membrane?

-CN IX

23

If you clear your ears what muscles are you using?

-Tensor veli palatini
-Levator veli palatini

24

What transforms vibrations in the air to waves in fluid for sound?

-Ossicles

25

What ossicle is found on the tympanic membrane?

-Malleus

26

What ossicle pushes on the oval window?

-Stapes

27

What innervates the cochlea and semicircular canals?

-CN VIII

28

What are the three external ear muscles?

-Auricularis Anterior
-Auricularis Superior
-Auricularis Posterior

29

What two muscles help elevate the eyelid?

-Levator palpebrae superioris muscle
-Superior tarsal muscle

30

What innervate the superior tarsal muscle?

-Sympathetics from T1

31

What are three major features of the eyeball?

-Sclera/cornea
-Choroid layer
-Retina

32

What is the function of the cornea?

-Refract light coming in

33

What feature do you find in the choroid layer?

-Ciliary muscles
-Iris
-Lens
-Suspensory ligaments

34

If light is traveling from a distance what happens with the ciliary muscles, suspensory ligaments, and lens?

-Ciliary muscles - relaxed
-Suspensory ligaments - Tight
-Lens - Flat

35

T/F
Light traveling from a distance needs less refraction to focus on retina

True

36

If light is traveling from a close range what happens with the ciliary muscles, suspensory ligaments, and lens?

-Ciliary muscles - Contracted
-Suspensory ligaments - Loose
-Lens - Ovale

37

What disease occurs if you lack sympathetic innervation to the head?

-Horner's syndrome

38

What are the symptoms of Horner's syndrome?

-Ptosis
-Anhydrosis
-Miosis

39

What feature do you find on the back of the retina?

-Fovea centralis

40

T/F
You should have bilateral contraction of sphincter pupillae muscles in the pupillary reflex

true

41

What are the superficial orbit muscles?

-Orbicularis oculi
-Corrugator supercilii
-Depressor supercilli