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PEDIA BINO QUIZ 1

Total questions: 22

Worksheet time: 16mins

Name
Class
Date
1.

Embryologic development: Day 22 is when the eye starts to develop

a)

True

b)

False

2.

Day 23 is when the embryonic fissure close

a)

True

b)

False

3.

Retinal pigment epithelium comes from the

a)

Inner cup

b)

Outer cup

4.

Neurosensory retina comes from the

a)

Inner cup

b)

Outer cup

5.

Mesoderm cells merge with the sclera to form what ocular surface

a)

EOM

b)

Anophthalmos

c)

congenital cystic eye

6.

Part of the eye where remnant of the hyaloid artery is being drained after the secondary vitreous humor is secreted

a)

Cloquet’s canal

b)

ant chamber

c)

Post chamber

7.

failure of the diencephalon to bulge out will lead to what type of congenital condition

a)

Congenital cystic eye

b)

Anophthalmos

8.

Failure of the optic vesicle to invaginate

a)

Congenital cystic eye

b)

Anopthalmos

9.

Failure of the surface ectoderm to invaginate

a)

anophthalmos

b)

Congenital cystic eye

c)

Aphakia

10.

Failure of the primary lens fibers to elongate and abnormal disposition of the lens fibers

a)

Cataract

b)

Congenital cystic eye

11.

failure of the optic vesicle to invaginate completely will lead to

a)

Peter’s anomaly

b)

Congenital retinal non attachment

c)

Aphakia

12.

Which are true about Peter’s anomaly

a)

failure of the lens stalk to disintegrate and release the ball of epithelial cells

b)

Condition where cornea is connected to the anterior aspect of the lens by a stalk and is caused by a mutation in the gene encoding pax6

13.

Bet the developing sclera and retinal pigmented epithelium, the messenchyme and the external vasculature combine to form what ocular struc

a)

Choroid

b)

EOM

c)

Vit humor

d)

Aqeous humor

14.

Condition wherein the choroid fissure did not completely close at 7 weeks therefore leaving a defect in the inferior part of the iris

a)

microphthalmos

b)

Coloboma

15.

Condition wherein the distal end of the hyaloid artery did not completely disappear leading to impairment in vision

a)

Persistent hyaloid artery

b)

Microphthalmos

c)

aphakia

d)

Coloboma

16.

This is a condition wherein the neuroectoderm failed to fuse with the surface ectoderm

a)

Microphthalmos

b)

Coloboma

17.

Resp for transporting nerve impulses to the cerebral cortex for processing

a)

LGB

b)

Optic nerve

c)

optic radiation

18.

All of the ff are true regarding embryologic dev of retinal vessels, EXCEPT

a)

grow to nasal ora by 32 weeks gestation

b)

Grow to temporal ora by 34 weeks gestation

c)

Originate from mesenchymal tissue during week 16 gestation

19.

Which structure does not arises from SURFACE ECTODERM

a)

Epithelium of the zeis gland

b)

corneal epithelium

c)

iris stroma

d)

Eyelid

20.

Which structure does not arises from the MESODERM

a)

eom

b)

Choroid

c)

Sensory retina

d)

muscles of the ciliary body

21.

Which structure does not arises from the NEURAL CREST CELLS

a)

Descemet’s membrane

b)

Corneal endothelium

c)

Melanocytes

d)

Optic nerve

22.

Which structure does not arises from the NEUROECTODERM

a)

Sensory retina

b)

Optic nerve

c)

sphincter and dilator pupillae muscle

d)

Crystalline lens