/50 228 Ophthalmologie Preparation (Dr. Seng Serey) 1 / 50 1) Which layer of the cornea is most susceptible to damage from ultraviolet radiation? a. Epithelial cells b. Bowman membrane c. Descemet membrane d. Stroma e. Endothelial cells 2 / 50 2) How many millimeters from limbus to the insertion of lateral rectus? a. 6.5 mm b. 7.7 mm c. 5.9 mm d. 6.9 mm e. 5.5 mm 3 / 50 3) Which germ can penetration to cornea through a healthy cornea epithelium? a. Enterococci b. Neisseria gonorrhoeae c. Nocardia d. Staphylococci e. Streptococci 4 / 50 4) A 7 months baby boy comes to ophthalmology departement because his mother concern about the pressure inside the eyes. The doctor said the pressure inside the eye was normal . What is the possible intraocular pressure of the baby? a. 15 mm Hg b. 10 mm Hg c. 4 mm Hg d. 22mm Hg e. 17 mm Hg 5 / 50 5) Treatment of pterygium: a. Observation b. Topical medication c. Oral Medication d. Surgery e. Wear sunglasses 6 / 50 6) Lateral wall of orbit is: a. Maxillary bone b. Palatine bone c. Lesser wing of sphenoid bone d. Greater wing of sphenoid bone e. Frontal bone 7 / 50 7) A 25-year-old man had many episodes of bacterial conjunctivitis on the right eye about 2 months ago. He is on treatment topical antibiotic and a lubricant eye drop. What is the common cause of recurrent bacterial conjunctivitis for this patient? a. Nasolacrimal duct obstruction b. Obstruction of valve of Hasner c. Canaliculus obstruction d. Inflammation of lacrimal sac e. Pumtum stenosis 8 / 50 8) What is the optimal procedure for analysis of the bony orbit? a. Magnetic resonance imaging b. Contrast enhanced plain X-ray films c. Ultrasound d. Computerized tomography 9 / 50 9) Volume of orbit: a. 10 cm b. 40 cm c. 30 cm d. 20 cm e. 50 cm 10 / 50 10) WHO grading of trachoma, Surgical intervention in: a. TS b. CO c. TT d. TF e. TI 11 / 50 11) What is the inner layer of tear film? a. Ganglion cell layer b. Lid layer c. Mucin layer d. Aqueous layer e. Nerve fiber layer 12 / 50 12) An infant boy presents with hyperacute purulent conjunctivitis. A diagnosis of Neisseria gonorrhoeae conjunctivitis is suspected. Which of the following is the most appropriate next step in the diagnosis? a. Corneal culture b. Examine for preauricular adenopathy. c. Prompt conjunctival biopsy. d. Gram stain and culture 13 / 50 13) Which germ that is responsible for trachoma ? a. Coxaki virus b. Staphylococus c. Adenovirus d. Chlamydia e. Streptococus 14 / 50 14) The inner layer of the eye is: a. Retina b. Cornea c. Pupil d. Sclera e. Uvea 15 / 50 15) The young lady had chemical injury with acid on both eyes about 3 months ago then she develop severe dry eye. What is the common cause of severe dry eye for this patient? a. Allergy with substance injury b. Conjunctiva scarring and fibrosis c. Corneal scarring d. Lacrimal gland injury e. Pterygium 16 / 50 16) The strongest attachment of vitreous locate in: a. retinal vessels b. macula c. optic nerve d. lens capsule e. Vitreous base 17 / 50 17) Which extraocular muscle attach near the limbus? a. Superior oblique b. Medial rectus c. Inferior rectus d. Lateral rectus e. Superior rectus 18 / 50 18) Which one is gram negative bacterial infection of the cornea? a. Pseudomanas b. Staphylococci c. Enterococci d. Nocardia e. Listeria 19 / 50 19) Which of the following statements does not accurately describe chlamydial conjunctivitis of the newborn? a. Silver nitrate 1% solution provides prophylaxis. b. It is the most common infectious cause of neonatal conjunctivitis c. It is commonly associated with pneumonitis. d. Oral erythromycin should be prescribed. 20 / 50 20) What chemical damage is characterized by by soponification of fatty acids in cell membranes, tissue pH elevation, and intense intraocular inflammation from penetration of the anterior chamber? a. Weak acid b. Strong acid c. Organic solvent d. Strong alkali 21 / 50 21) A 75-year-old man has acute dacryocystitis. Appropriate management consists of which of the following procedures? a. Canalicular probing to relieve infection pressure b. Observation c. Oral steroids d. Irrigation of the lacrimal sac e. Oral antibiotics 22 / 50 22) Floor of orbit is: a. lacrimal bone b. lesser wing of sphenoid bone c. Palatine bone d. frontal bone e. ethmoid bone 23 / 50 23) Failure to treat gonococcal conjunctivitis may lead to which of the following conditions? a. Necrotizing scleritis b. Orbital cellulitis c. Corneal ulceration and perforation d. Chancre formation 24 / 50 24) Side effect of topical steroid to eye ? a. Decrease risk of cornea ulcer b. Increase intraocular inflammation c. Conjunctivitis d. Increase intraocular and cataract e. Decrease intraocular pressure 25 / 50 25) Infection with Chlamydia trachomatis serotypes A-C results in which one of the following? a. Lymphogranuloma venereum b. Adult inclusion conjunctivitis c. Trachoma d. Neonatal inclusion conjunctivitis 26 / 50 26) Corneal glue is indicated in case of corneal perforation: a. Smaller then 6 mm b. Smaller then 5 mm c. Smaller then 2 mm d. Smaller then 4 mm e. Smaller then 3 mm 27 / 50 27) What is this type of medium for culture in bacterial corneal ulcer? a. Blood agar b. Lowenstein Jensen medium c. Saboraude dextrose agar d. MacConkey e. Chocolate agar 28 / 50 28) Normal intraocular pressure in adult is: a. 20 mm Hg – 25 mm Hg b. 5 mm Hg – 10 mm Hg c. 10 mm Hg – 20 mm Hg d. 20 mm Hg – 30 mm Hg e. 10 mm Hg – 30 mm Hg 29 / 50 29) Lowenstein Jensen medium use for: a. Acanthamoeba b. Moraxaella c. Nocardia d. Neisseria e. Fungi 30 / 50 30) Oily layer is produced by a. Lacrimal gland b. Gland of Krause and wolfring c. Goblet cell d. Meibomian glands 31 / 50 31) Most common composition of vitreous is: a. Hyaluronic acid b. Collagen Fibre c. Electrolyte d. Water e. Vitamin(C) 32 / 50 32) Longer of nasolacrimal duct is: a. 4 mm b. 2 mm c. 10 mm d. 12 mm e. 8 mm 33 / 50 33) Which cell of retina connect between ganglion cell with photoreceptor cell? a. Endothelial cell b. Bipolar cell c. Horizontal cell d. Amacrine cell e. Muller cell 34 / 50 34) Which statement is true about Myopia? a. Correct with Cylinder lens b. Correct with Concave lens c. Correct with Convex lens d. Cannot correct with laser vision correction e. Advice not to wear glasses 35 / 50 35) The thickness of cornea is: a. 640 microns b. 500 microns c. 600 microns d. 540 microns e. 440 microns 36 / 50 36) A 3-month-old infant presents with a history of constant epiphora since birth. On examination the patient appears relatively comfortable and is found to have epiphora with mucopurulent discharge from both eyes. Fluorescein solution is placed into the tear film of each eye, and the patient is noted to have significant retention of the fluorescein dye with failure of the dye to appear in the nose after 15 minutes. The remainder of the exam is normal. Which of the following is the most likely diagnosis? a. Congenital glaucoma b. Congenital nasolacrimal duct obstruction c. Bilateral punctual or canalicular atresia d. Bilateral conjunctivitis 37 / 50 37) Which type of conjunctiva attach to eyelid? a. Conjunctiva palpebral b. Conjunctiva bulbar c. Conjunctiva fornix d. Conjunctiva scaring 38 / 50 38) Corneal scraping is not indicated in corneal ulcer: a. central ulcer b. atypical infected organism is suspected c. Small infiltrate and Peripherally located ulcer d. not responding to current treatment e. Large ulcer 39 / 50 39) A 28-year-old woman consult with Cornea and Refractive specialist for myopia correctin on both eyes for 10 years ago. She had a stable myopia around 5 years ago with – 2.50 D on right eye and – 3.00 D on left eye. Investigations show the normal of Corneal topography , intraocular pressure, retinal status and optic nerve . The cornea thicknest is 550 micron. Which layer of cornea that is suitable place for laser vision correction ? a. Bowman membrane b. Endothelim c. Epithelium d. Descemet membrane e. Stroma 40 / 50 40) Cause of follicular conjunctivitis: a. Conjunctiva foreign body b. Fungus c. Allergy d. Virus e. Bacteria 41 / 50 41) What is the most common pathogen(s) responsible for corneal ulcer in contact lens wearers? a. Fungi b. Staphylococcal species c. Streptococcal species d. Pseudomonas aeruginosa 42 / 50 42) Which concentration of atropine (eye drop) use for decrease myopia progression in children? a. 0.01% b. 2% c. 1% d. 0.1% e. 0.001% 43 / 50 43) A 3-year-old boy with recurrent follicular conjunctivitis with linear conjunctiva scarring(Altr line) . What is the best option of treatment for this patient? a. Surgical correction b. Eye drop antiviral c. Oral erythromycine d. Oral Doxycycline e. Lubricant eye drop 44 / 50 44) Medium transparent of the eye is a. Pupil b. Optic nerve c. Cataract d. Iris e. Cornea 45 / 50 45) A 10-month old, full-term gestation, and previously healthy child, presents for further evaluation of leukocoria (white pupil) in his left eye, which was first noted by the child’s parents in a recent photograph. A CT scan shows evidence of a mass with localized calcification in the left eye. Which of the following is the most likely cause of the patient’s condition? a. Coats disease b. Organized vitreous hemorrhage c. Retinoblastoma d. Congenital cataract e. Retinopathy of prematurity 46 / 50 46) The outer most layer of the retina is: a. Choroid b. Bruch membrane c. External limiting membrane d. Retinal pigmented epithelium e. Outer segment of photoreceptor cell layer 47 / 50 47) The strongest bone of the orbit is: a. Sphenoid bone b. Palatine bone c. Lacrimal bone d. Zygomatic bone e. Ethmoid bone 48 / 50 48) Most inner layer of the cornea is: a. Stroma b. Endothelium c. Bowman membrane d. Descemet membrane e. Epithelium 49 / 50 49) Optic nerve has: a. 3 parts b. 2 parts c. 6 parts d. 4 parts e. 5 parts 50 / 50 50) Volume of vitreous is: a. 2 cc b. 4 cc c. 6 cc d. 3 cc e. 5 cc Your score isThe average score is 84% Facebook 0% Restart quiz Any comments? Send feedback