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Flashcards in Past 2020 Deck (29)
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1

Which answer is not true?

A. The connection between the lens and the vitreous is por in the human being
B. Lens cells are produced by the anterior epithelium of the lens
C. The connection between the posterior lens capsule and the fossa hyaloidea is poor in animals
D. The size of the lens nucleus will be bigger by the age

C. The connection between the posterior lens capsule and the fossa hyaloidea is poor in animals

2

In case of synechia posterior:

A. The pupil is maximally dilated
B. The pupil can only have a regular shape
C. There is an adhesion between iris and the cornea
D. There is an adhesion between iris and anterior lens capsule

D. There is an adhesion between iris and anterior lens capsule

3

If the indirect PLR (pupil light reflex) is present in the right eye (OD), this means:

A. The intraocular pressure is increased in OD
B.OU are sighted
C. The retina is functional in OD
D. The retina is functional in OS

The retina is functional in OS (?)

4

What is the function of tapetum?

A. Reflection of the light into the photoreceptors
B. Absorption of the light in the ventral half of the ocular fundus
C. Reflection of the light into the choroid
D. Absorption of the light by the pigments of the retinal pigment epithelium.

A. Reflection of the light into the photoreceptors

5

It is characteristic of the posterior chamber that:

A. It can be examined with an indirect ophthalmoscope
B. It is bounded by the posterior part of the iris and the anterior lens capsule
C. It does not communicate with the anterior chamber
D. Aqueous humour is drained here.

B. It is bounded by the posterior part of the iris and the anterior lens capsule

6

It is a fact that the posterior chamber:

A. Can be examined with an indirect ophthalmoscope
B. Is filled by the vitreous body
C. Is bordered by the caudal part of the iris and the anterior lens capsule
D. Is the location where the aqueous humour is drained

C. Is bordered by the caudal part of the iris and the anterior lens capsule

7

Which is not an acute sign of uveitis:

A. Blepharospasms
B. Mydriasis
C. Epiphora
D. Blood – aqueous barrier breakdown

B. Mydriasis

8

If a descemetocele is stained by fluorescein:

A. The Descemet`s membrane remains permanently stained
B. The stroma has stain uptake, but the Descemet`s membrane hasn`t
C. Superficial epithelial loss can be detected
D.The stroma has no stain uptake, but the Descemet`s membrane has

B. The stroma has stain uptake, but the Descemet`s membrane hasn`t

9

Using a direct ophthalmoscope...

A. A virtual magnified image of the fundus can be obtained
B. Entire fundus can be examined if the pupil is miotic
C. Fundus cannot be examined if the investigator is emmetrope
D. Iris can be examined

A. A virtual magnified image of the fundus can be obtained

10

Aphacic crescent is visible:

A. In case of synechia posterior
B. In case of maximal mydriasis
C. In case of retinal detachment
D. In case of lens subluxation

D. In case of lens subluxation

11

What kind of mydriatics would you use to dilate the pupil at the ophthalmic examination?

1% tropicamide
2% atropine
2% lidocaine
1% pilocarpine

1% tropicamide

12

Which statement is true regarding atropine?

A. Effectivity gives information about the severity of the uveitis
B. Induces constricted pupil for a couple of days in a healthy eye dilated
C. Can be used for pupil dilation at the eye exam
D. It has a stronger effect on eyes with blue iris

A. Effectivity gives information about the severity of the uveitis

13

Iris bombè means:

a. Brownish iris
b. Adhesion between the iris and cornea
c. Iris protrudes toward the cornea due to synechia posterior
d. Iris pushed forward against the cornea due to anterior lens luxation.

c. Iris protrudes toward the cornea due to synechia posterio

14

What is not type of cataract?
Cataracta intumestentia
Cataracta immatura
Cataracta hypermatura
Cataracta Desmares

Cataracta Desmares

15

Administration of corticosteroids is contraindicated when:

A. The pupil is miotic
B. Hyphema is present
C. Intraocular pressure is reduced
D. The cornea has fluoresceine stain uptake

D. The cornea has fluoresceine stain uptake

16

Buphthalmus (increased globe size) can be feature of
Iridodenesis
Descemetocele
Glaucoma
Blepharitis

Glaucoma

17

What is a subpalpebral lavage kit (SPL) used for?

A. To anesthetize the ocular surface
B. To provide long term frequent topical treatment
C. To check intraocular pressure
D. To check nasolacrimal drainage patency

B. To provide long term frequent topical treatment

18

The wide field of view and small (4-5x) magnification is feature of the...

Clearview fundus camera
Direct ophthalmoscope
Sciascope
Indirect ophthalmoscope

Indirect ophthalmoscope

19

Which can be correlate with a lenticular disease:

Aphacic crescentin
Descemetocele
Asteroid hyalosis
Coloboma

Aphacic crescentin

20

Which answer is correct?
The shape of a mid-wide pupil is…

A. round in dog and cat
B. vertical elliptic in horse and swine
C. Round in cats
D. horizontal elliptic in horse cattle

D. horizontal elliptic in horse cattle

21

Which can not result in disturbance In the flow of the aqueous?

Posterior synechia
Posterior lens luxation
Anterior lens luxation
Anterior synechia

Posterior lens luxation

22

What is a subpalpebral lavage kit (SPL) used for? (horse)
A. To anesthetize the ocular surface
B. To provide long term frequent topical treatment
C. To check intraocular pressure
D. To check nasolacrimal drainage patency

B. To provide long term frequent topical treatment

23

The purpose of auriculopalpebral nerveblock is:
To abolish ptosis
To induce topical anaesthesia of the corna
To relax orbicular occuli muscle
To provide anesthesia of the inferior eyelid

To provide anesthesia of the inferior eyelid

24

Dazzle reflex is a..

Cortical reflex
Subcortical reflex
Cerebellar reflex
Spinal reflex

Subcortical reflex

25

It is characteristic of the fundus that;

A. The vasculature of the retina originates from the middle of the optic nerve head in the horse
B. The tapetum is usually brownish
C. Neurons of the retina can be easily detected with a direct ophthalmoscope
D. Light reflective layer is missing in swine

D. Light reflective layer is missing in swine

26

With a direct ophthalmoscope
A. We can observe an erected magnified image of the fundus
B. We can examine the entire surface of the fundus
C. The fundus can be examined sharply with + 20 D lens if the examiner is emmetrope
D. The image is magnified upside down

A. We can observe an erected magnified image of the fundus

27

Retinal detachment can be diagnosed
With ophthalmoscope or ultrasound examination-
With slit lamp biomicroscope
With inspection
In no way if corneal opacity is present

With ophthalmoscope or ultrasound examination (?)

28

Which answer is NOT true?

A. Production of the aqueous is dependent on the thermo convention
B. Production of the aqueous is dependent on the blood pressure
C. Production of the aqueous is dependent on the inflammation
D. Production of the aqueous is dependent on the drugs

A. Production of the aqueous is dependent on the thermo convention

(the flow is dependent on the thermo convention, but idk if production is)

29

Which answer is false regarding the slit lamp biomicroscopy?

A. Aqueous humour transparency or turbidity can be distinguished
B. In a normal eye light beam is not visible crossing the anterior chamber
C. Tyndall – effect can be noticed in acute uveitis
D. Width of the anterior chamber cannot be estimated

B. In a normal eye light beam is not visible crossing the anterior chamber (?)