Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Microbiology > Ophthalmic Surgery > Flashcards

Ophthalmic Surgery Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What are the seven bones that come together to form the orbital cavity?

A

Frontal, lacrimal, sphenoid, ethmoid, maxillary, zygomatic, and palatine bones.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The optic nerve enters the posterior orbital cavity through the

A

Optic foramen.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The eyelids are composed of fibrous connective tissue referred to as

A

Tarsal plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Eyelids are also called

A

Palpebral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The space or interval between the upper and lower lids is called

A

Palperbral fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The juncture of the eyelids is called

A

Canthus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The globe is seperated into two cavities. What are they called.

A

The anterior and posterior cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How many muscles attach the sclera to the bony orbit?

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the thin, transparent mucous membrane that lines each eyelid?

A

Palpebral conjunctiva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the thin, transparent mucous membrane that is reflected onto the globe called?

A

Bulbar conjunctiva.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the clear avascular tissue lying in the front of the eyeball?

A

Cornea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Where the cornea and sclera meet is called the

A

Limbus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The cornea is composed of three layers, what are they?

A

Epithelium, stroma, and endothelium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The thick white fibrous tissue that encloses three fourths of the eye is called

A

The sclera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the highly vascular pigmented layer of the eye, whose primary function is to prevent the reflection of light within the eyeball?

A

Choroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the smooth-muscle tissue to which the suspensory ligaments are attached?

A

The ciliary body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The pigmented muscular layer is called?

A

The iris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The innermost layer of the globe, which is the photoreceptive layer is called

A

The retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The distinct area of acute vision that lies near the optic nerve is called

A

The macula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The area that has no photoreceptors where the optic nerve exits the globe in an area of dense neurons is called

A

The optic disc.

21
Q

The lens directly behind what

A

The iris in the anterior chamber

22
Q

The lens is held in placed by suspensory ligaments called what

A

Zonules

23
Q

The posterior cavity is filled with `

A

Viterous gel

24
Q

The anterior cavity of the eye is divided into two chambers called what?

A

Anterior and posterior chambers

25
Q

What lies between the anterior and posterior chambers?

A

The iris.

26
Q

What fills the anterior chamber?

A

The aqueous humor

27
Q

The aqueous humor is produced by

A

Ciliary epithelium

28
Q

What is the flow of aqueous humor?

A

The aqueous humor passes through the anterior and posterior chamber between the iris and lens. It then passes through the canal of schlemm and is shunted directly into the venous system.

29
Q

Where are tears prodcued?

A

Lacrimal apparatus

30
Q

Lens continually changes shape to keep the image focused on the fovea is called

A

Accommodation

31
Q

A test for visual acuity

A

Refraction

32
Q

What is used to measure intraocualar eye pressure?

A

Tonometer

33
Q

what is used extensively in the diagnosis and evaluation of retinal and chorid diseases?

A

Fluorescein angiography

34
Q

Anxiety can result in increased _________ and __________.

A

Hemorrhage and intraocular pressure.

35
Q

What is the standard approved eye prep antiseptic for eye surgery?

A

Diluted povidone-iodine 5% or as directed by the surgeon.

36
Q

What is used for irrigation?

A

TB or 3ml syringe. With bss

37
Q

Commonly used injectable local anesthetics include

A

Procaine (Novocaine) 1 to 4% or lidocaine 1 to 2%

38
Q

Commonly used topical anesthetics incluse

A

Proparacaine (Proxymetacaine, Alcaine parcaine) and benoxinate hyrdochloride

39
Q

Sponges are never used on

A

The cornea

40
Q

An inflammatory benign growth that originates in a sevaceous gland of the eyelid

A

Chalazion

41
Q

Removal of Nodal tissue araising from a sebaceous gland is excised from the tarsal plate.

A

Excision of a chalazion

42
Q

Creation of a permanent opening in the tear duct for the drainage of tears.

A

Dacryocystorhinostomy.

43
Q

Where is the incision for an excision of a chalazion?

A

Conjunctival

44
Q

Where is the incision for a dacryocystorhinostomy?

A

Median canthus

45
Q

Condition in which the eyes are unable to focus on point because the muscles lack coordination

A

Strabismus

46
Q

The muscle is detached from its insertion moved posteriory and reattached.

A

Medial rectus recession.

47
Q

A portion of the muscle is excided and the severed end is reattached at the origginal site of insertion.

A

Lateral rectus resection.

48
Q

patients who undergo muscle procedures often experience what postoperative?

A

Nausea and vomiting caused by the vagal reflex during surgery.

Microbiology (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions