LACRIMAL MCQ 3

1.       The lacrimal sac is separated from middle meatus of nasal cavity by which bones

a.     Lacrimal bone and maxilla

b.       Lacrimal bone and frontal bone

c.       Maxilla and zygomatic bone

d.       Lacrimal bone and sphenoid bone

e.       Lacrimal bone and ethmoid bone

2.       A flap of mucosa at junction of common canaliculus is called

a.       Valve of Hasner

b.     Valve of Rosenmuller

c.       Valve of Ziegler

d.       Valve of Sisler

e.       Valve of Jones

3.       A flap at lower end of canaliculus is called

a.     Valve of Hasner

b.       Valve of Rosenmuller

c.       Valve of Ziegler

d.       Valve of Sisler

e.       Valve of Jones

4.       Procedure for assessing tear drainage by labelling the tears with radioactive substance is called

a.       Secondary jones dye test

b.       Contrast dacrycystography

c.       LacrimaL scintigraphy

d.       Contrast CT scan

e.       Contrast MRI

5.       Lacrimal sac lies between

a.       Maxilla and frontal bone

b.       Lacrimal and vomer bone

c.       In the lacrimal bone

d.     Between anterior and posterior lacrimal crust

e.       Lacrimal and nasal bone

6.       DCR in children with nasolacrimal duct obstruction is done at the age of

a.       1 year

b.       2 year

c.       3 year

d.     7 year

e.       14 year

7.       Dacryolithiasis is treated by

a.       Antibiotics

b.       Probing and syringing

c.     DCR

d.       CDCR

e.       Steroids

8.       Dacryocystectomy is performed in

a.     Malignant lacrimal sac tumors

b.       Lacrimal fistula

c.       Chronic dacrocystitis

d.       Dacryolithiasis

e.       Congenital dacryocele

9.       DD of congenital watering of eye is all except

a.       NLD blockade

b.       Congenital glaucoma

c.       Scerocornia

d.       Chlaymedial conjunctivitis

e.       Keratitis

10.       Lacrimation is caused by

a.       NLD block

b.     Conjunctivitis

c.       Dacrylithiasis

d.       Lacrimal sac tumors

e.       Dacryocele