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L6, Lacrimal disorders, Ophthalmology

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1-In dacryocystorhinostomy, an opening is made between:
a-Nasolacrimal duct and middle meatus of the nose.
b-Lacrimal sac and middle meatus of the nose.
c-Nasolacrimal duct and inferior meatus of the nose.
d-Lacrimal sac and inferior meatus of the nose.
e-Lacrimal sac and common canaliculus.


2-A mother of 4-month-old infant is complaining of continuous lacrimation of her child,
pressing in medial canthal area regurgitation of fluid occur. what is best management?
a-Lacrimal probing.
b-Follow-up and digital massage.
 c-Lacrimal intubation.
d-Dacryocystorhinostomy
e-Systemic antibiotic.

3-Regarding watery eye (epiphora), which of the following is true:
a-Hard stop during probing indicating canalicular obstruction.
b-Soft stop during probing indicates canalicular obstruction.
c-Positive primary Jones dye test indicate nasolacrimal duct obstruction. 
d-Positive regurgitation test indicates obstruction of upper lacrimal passages

4-Which of the following is less likely to be a complication for a case of chronic dacryocystitis:

a-Cicatricial entropion.
b-Lacrima fistula.
c-Endophthalmitis following cataract surgery.
d-Lacrimal mucocele.
e-Cicatricial ectropion.

5-Positive Regurgitation test occur in:
A-Normal function of the lacrimal drainage system.
b-Nasolacrimal duct obstruction.
c-Dry eye 
d-Facial palsy
e-Acute dacryocystitis

6-Complications of chronic dacryocystitis include except

a-Chronic conjunctivitis
b-Corneal ulcer
c-Xerosis
d-Lacrimal mucocele

7-Nasolacrimal duct opens in:

a-Upper nasal meatus.
b-nasal meatus.
c-Middle nasal meatus.
d-Nasopharynx.


8-The muscle which plays an important role in tear drainage is:

a-Muller’s muscles.
b-Muscle of Riolan
c-Horner’s muscle.
d-Levator muscle.

9-Most common organism in dacrocystitis is:

a-Pneumococci.
b-Streptococci.
c-Gonococci. 
d-Herpes simplex virus.


10-Negative primary and positive secondary Jones dye tests mean:

a-Partial canaliculi obstruction 
b- chronic dacryocystitis
c-Partial nasolacrimal duct obstruction
 d-Pump failure.

Answer

1-b
-2b
3-b
4-a
5-b 
6-c
7-B
8-C
9-A
10-C






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