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OS 212 [Ophthalmology] > 2017 > Flashcards

2017 Flashcards

1
Q 
Right eye can read large E on Snellen from 20ft.
	A. OC 200/20
	B. OS 200/20
	C. OD 20/200
	D. OS 20/200
A

C

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2
Q

Uncorrected vision can see up to 20ft the letter E. Upon pinhole, see up to last line. How to report?

A

Answer: 20/200 (sc) —> 20/20 (ph)

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3
Q 
A 40 y/o patient is unable to read the largest letter in the Snellen chart at 1m. What is the next immediate way to check the visual aquity of the patient?
	A. Light projection
	B. Hand movement
	C. Counting fingers
	D. Finger play
A

C

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4
Q

The following are true about near vision testing except
A. It is used to assess the V.A. for people older than 40y/o, people complaining of their near vision, and whenever distance vision cannot be measured
B. The near vision chart/ Jaeger chart is held at 12 in
C. Near vision is tested with both eyes open
D. Spectavle correction should be worn during near vision testing

A

NA

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5
Q 
A patient is asked to move is eyes right downwards. Which EOM muscle and its yoke muscle acts in the situation?
	A. Left IO, Right IR
	B. Left SO, Right IR
	C. Left IO, Right MR
	D. Left SO, Right HR
A

B

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6
Q

Which of the following is the correct yolk combination for (left, upwards)
A. left lateral rectus, right superior oblique
B. left inferior oblique, right superior rectus
C. left superior rectus, right inferior oblique
D. left superior rectus, right superior oblique

A

C

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7
Q 
What is the antagonist of the yolk muscle of the only EOM innervated by CNIV?
	A. L-IR
	B. R-SR
	C. R-SO
	D. L-IO
A

B

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8
Q 
According to this law, once the left eye looks to the left, there is an increase innervation in the lateral rectus will be accompanied by reciprocal decrease in innervation of medial rectus
	A. Hering’s Law
	B. Sherington’s Law
	C. Goldman’s Law
	D. Edinger’s Law
A

B

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9
Q 
Normal finding in fundoscopy:
        A.
	B. 0.4 CD ratio
	C. White-yellow
	D.
A

NA

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10
Q

What does a visual acuity of 20/100 mean?

A

Ans: The patient is able to see at 20 meters what most others see from 100 meters

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11
Q 
The outward turning of the eyeball is called
	A. Exotropia
	B. Esotropia
	C. Exophthalmus
	D. Ectropiom
A

A

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12
Q 
The inward turning of the eyeball is called:
	A. Exotropia
	B. Esotropia
	C. Exophthalmus
	D. Ectropion
A

B

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13
Q 
The thinnest bone in the orbital wall
	A. lamina papryacea
	B. lamina cribrosa
	C. sphenoid bone
	D. lacrimal bone
A

A

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14
Q 
The following are components of accommodation/ near vision reflex except:
	A. lens thickening
	B. miosis
	C. stenopsis
	D. convergence
A

C

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15
Q 
Cherry red specs are seen in..
	A. Central retinal arterial occlusion
	B. 
C. Retinitis pigmentosa
	D.
A

NA

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16
Q 
The patient’s eye look aligned. You do alternate cover testing. There is inward movement of uncovered eye. You observed this on both eyes. Both are aligned at the end of the test. The patient has:
	A. othophona/ orthopia
	B. esophoria
	C. esotropia
	D. exophoria
	E. exotropia
A

D

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17
Q 
A lesion on the optic chiasm will present with what visual defect?
	A. Right hemianopsia
	B. Left hemianopsia
	C. Bitemporal hemianopsia
	D. Left inferior quadrantopia
	E. Left superior quadrantopia
A

C

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18
Q 
Lesion on the right temporal lobe causes:
	A. Right hemianopsia
	B. Left hemianopsia
	C. Bitemporal hemianopsia
	D. Left inferior quadrantopia
	E. Left superior quadrantopia
A

E

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19
Q 
A lesion of the optic chiasm will most likely present with thich kind of visual defect?
	A. Right hemianopsia
	B. Bitemporal hemianopsia
	C. L superior horn quadranopsia
	D. L inferior horn quadranopsia
A

B

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20
Q 
Orbital cellulitis presents with
	A. exotropia
	B. bruit
	C. 20/20 vision
	D. limited EOM
A

D

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21
Q 
A patient was brought to the ER after a vehicular accident. He was subsequently referred to Ophtha. What will you do first, as the intern on duty?
	A. Perform a gross exam
	B. Determine visual acuity
	C. Clean the periorbital area
	D. Irrigate the orbit
A

B

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22
Q 
The photo shows
	A. entropion
	B. extropion
	C. trichiasis
	D. dystrichiasis
A

C

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23
Q 
A 7 y/o girl was taken to the ER with right lid swollen erythematous. VA: 20/20 (normal findings)
	A. Malbomian gland obstruction
	B. septal cellulitis
	C. Orbital cellulitis
	D. Cavernous sinus thrombosis
A

A

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24
Q 
Diagram of the cross section of the eye
A.	Lens
B.	Cornea
C.	Zonules
D.	Vitreous
E.	Optic nerve
A

NA

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25
Q 
Diagram of the cross section of the eye
A.	Lens
B.	Cornea
C.	Zonules
D.	Vitreous
E.	Optic nerve
A

NA

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26
Q 
Holds lens in place
A.	Lens
B.	Cornea
C.	Zonules
D.	Vitreous
E.	Optic nerve
A

NA

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27
Q 
Increase thickness in accommodation 
A.	Lens
B.	Cornea
C.	Zonules
D.	Vitreous
E.	Optic nerve
28
Q 
Refractive power of 40D
A.	Lens
B.	Cornea
C.	Zonules
D.	Vitreous
E.	Optic nerve
29
Q 
Clear and avascular, making up 75% of the volume of the eye
A.	Lens
B.	Cornea
C.	Zonules
D.	Vitreous
E.	Optic nerve
30
Q 
Made up of 2M axons from ganglion cells
A.	Lens
B.	Cornea
C.	Zonules
D.	Vitreous
E.	Optic nerve
31
Q 
Which part of the retina does the histopathologic picture on the right represent (insert picture)?
	A. Choroid
	B. Peripheral retina
	C. Optic nerve
	D. Macula
32
Q

Area of the retina composed cones only

33
Q

Make up the “blind spot”

A

Optic Disc

34
Q

Blood supply of outer retina

A

Choroid plexus

35
Q

T/F: Any complaint of floaters indicate retinal disorder

36
Q

T/F: True ocular emergencies includes angle closure glaucoma, chemical injury to the eye and central retinal artery occlusion

37
Q

T/F: Good blood sugar level control in patients with diabetic retinopathy does not delay onset and progression of this retinal pathology.

A

F (Guess lang)

38
Q

T/F: Pain is a common symptom of retinal disorders

39
Q

T/F: retinoblastoma is usually found in children enrolled in elementary school

40
Q

T/F: Alkali burn is more serious than acid

41
Q

T/F: Retinal pigment epithelium acts as a pump in keeping the retina dry

42
Q

T/F: Sphicter hemorrhages following the destruction of the nerve fiber layer is found in central artery occlusion

43
Q

T/F: Cottonwool spots indicate retinal ischemia while hard exudates indicate protein exudate from leaky blood vessels.

44
Q

T/F: Age related macular degeneration has 2 types: non-proliferative and proliferative

45
Q

A cherry red spot sign is seen in branch retinal vein occlusion

46
Q

T/F: Orbital cellulitis is the most common cause of proptosis among kids

47
Q

T/F: Granulomatous changes can occur with normal intraocular pressure

48
Q

Iridescent vision when looking at light source.
A. anterior chamber problem
B. posterior chamber
C. neural

49
Q

Curtain-like visual field defect:
A. anterior chamber
B. posterior
C. neural

50
Q

Difficulty in reading fine prints at age 40 and above
A. Anterior
B. posterior
C. neural

51
Q

Loss of bilateral temporal hemi-fields of vision
A. Anterior
B. posterior
C. neural

52
Q

Tunnel vision
A. Anterior
B. posterior
C. neural

53
Q 
Red eye, tender, BOV, mucopurulent
	A. Viral conjunctivitis
	B. Acute glaucoma
	C. Microbial keratitis
	D. Uveitis
54
Q

A patient with CN VII palsy (Bell’s palsy) could not close is eye lids. He will most likely develop

A

exposure keratitis

55
Q 
The thinnest part of the retina that has only cones as photoreceptors.
A. Choroid
	B. 
	C. Macula
	D. Fovea
	E. Foveola
56
Q

Part that contains a mixture of cones and rods

A

Peripheral Retina.

57
Q

T/F: Central Retinal Vein Occlusion is one of the two true emergencies.

58
Q

T/F: Orbital cellulitis is the most common cause of proptosis in childhood.

59
Q 
Using his left eye patient was able to read only the largest E at 20 ft. How will you report this?
A. OD 20/200
B. OS 20/200
C. OS 200/20
D. OD 200/20
60
Q 
Patient can read only the large E at 20 ft, and with pinhole, can read the last line as DEFPOTEC. You will report this finding as?
A. Sc 200/20 --> ph 20/200
B. Sc 20/200 --> ph 20/200
C. Sc 20/200 → ph 20/20
D. Sc 200/20 -->  ph 20/20
61
Q

Define 20/100

A

A person can read at 20 ft what a normal person can read at 100 ft.

62
Q

Parallel light converges in front of the retina

a) myopia
b) hyperopia
c) emmetropia
d) astigmatism

63
Q

This type of ectropion is most commonly seen in old age

a) involutional
b) paralytic
c) circatricial
d) tarsal

64
Q 
Eyelids which turned outwards (paraphrase)
A. Exopthalmos
B. Ectropion
C. Esotropia
D. Exotropia
65
Q 
This test will distinguish phoria from tropia.
A. Krimsky test
B. Cover-uncover test*
C. Alternate cover test
D. Hirschberg test
66
Q 
A 6 yo patient with leukoria OD may have the following EXCEPT
A. Retinopathy of childhood
B. Developmental cataract
C.
D. Hypopyon
67
Q

Given a 6 yo patient presenting with leukocoria OD, you performed a funduscopy and obtained a negative ROR due to opacities. What ancillary test will you do to rule out posterior pole pathology?

A. Fluorescein Angiography
B. Slit Lamp Biomicroscopy
C. Ocular B Ultrasonography
D. OCT

OS 212 [Ophthalmology] (7 decks)

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