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Latest NEET PG Ophthalmology Exam Question (Objective Questions), MCQ in English
Subjects : Ophthalmology
Question Bank NEET PG Ophthalmology - English
Ophthalmology
Q 1 :
What is the outermost layer of the eyeball?
A.Neural layer
B.Fibrous layer
C.Vascular layer
D.Pigmented layer
Q 2 :
Which structure forms the anterior boundary of the vitreous chamber?
A.Lens
B.Cornea
C.Iris
D.Ciliary body
Q 3 :
Aqueous humor is primarily drained through which structure?
A.Vitreous chamber
B.Canal of Schlemm
C.Posterior chamber
D.Choroid
Q 4 :
What is the primary function of the trabecular meshwork?
A.Secretion of aqueous humor
B.Production of vitreous humor
C.Drainage of aqueous humor
D.Regulation of pupil size
Q 5 :
Which of the following is a pathway for aqueous humor outflow besides the trabecular meshwork?
A.Uveoscleral outflow
B.Choroidal pathway
C.Retinal pathway
D.Lens outflow
Q 6 :
What is the primary component of vitreous humor?
A.Sodium and chloride
B.Glucose and proteins
C.Lipids and cholesterol
D.Collagen and hyaluronic acid
Q 7 :
How many layers does the human cornea have?
A.Five
B.Four
C.Three
D.Six
Q 8 :
Which layer of the cornea is responsible for maintaining its transparency?
A.Epithelium
B.Stroma
C.Bowman's layer
D.Endothelium
Q 9 :
The nerve supply to the cornea is derived from which cranial nerve?
A.Optic nerve (II)
B.Facial nerve (VII)
C.Trigeminal nerve (V)
D.Oculomotor nerve (III)
Q 10 :
Which layer of the cornea is acellular and resistant to trauma?
A.Epithelium
B.Descemet's membrane
C.Bowman's layer
D.Endothelium
Q 11 :
What is the primary function of the corneal endothelium?
A.Secretion of aqueous humor
B.Production of collagen fibers
C.Maintenance of corneal hydration
D.Protection against UV light
Q 12 :
The cornea receives its blood supply primarily from which source?
A.Central retinal artery
B.Choroidal vessels
C.Avascular (no direct blood supply)
D.Short ciliary arteries
Q 13 :
What is the primary function of the sclera?
A.Refraction of light
B.Production of aqueous humor
C.Protection and structural support
D.Transmission of visual signals
Q 14 :
Which structure passes through the sclera to allow passage of blood vessels and nerves?
A.Emissary canals
B.Lamina cribrosa
C.Trabecular meshwork
D.Canal of Schlemm
Q 15 :
The sclera is thinnest at which location?
A.Insertion of rectus muscles
B.Posterior pole
C.Equator
D.Limbus
Q 16 :
Which part of the uveal tract contains the sphincter pupillae muscle?
A.Iris
B.Ciliary body
C.Choroid
D.Retina
Q 17 :
The ciliary body is responsible for which of the following functions?
A.Accommodation and aqueous humor production
B.Secretion of vitreous humor
C.Transmission of visual signals
D.Regulation of blood flow to the retina
Q 18 :
The blood supply to the choroid is primarily derived from which vessels?
A.Short posterior ciliary arteries
B.Central retinal artery
C.Long ciliary arteries
D.Ophthalmic artery
Q 19 :
Which muscle in the iris is responsible for pupil dilation?
A.Dilator pupillae
B.Sphincter pupillae
C.Ciliary muscle
D.Superior rectus
Q 20 :
The ciliary processes are primarily involved in the production of which fluid?
A.Vitreous humor
B.Tears
C.Aqueous humor
D.Synovial fluid
Q 21 :
What is the outermost layer of the lens?
A.Cortex
B.Nucleus
C.Zonules
D.Capsule
Q 22 :
The lens is suspended in place by which structure?
A.Ciliary muscle
B.Choroid
C.Iris
D.Suspensory ligaments (zonules)
Q 23 :
Which part of the lens is responsible for its growth throughout life?
A.Nucleus
B.Cortex
C.Capsule
D.Epithelium
Q 24 :
The lens is avascular and derives its nutrients from which source?
A.Central retinal artery
B.Vitreous humor
C.Aqueous humor
D.Choroidal vessels
Q 25 :
What is the primary function of the lens?
A.Protection of the retina
B.Refraction and focusing of light
C.Secretion of aqueous humor
D.Transmission of visual signals
Q 26 :
How many layers does the retina have?
A.Six
B.Ten
C.Eight
D.Twelve
Q 27 :
The fovea is located in which part of the retina?
A.Optic disc
B.Peripheral retina
C.Macula
D.Ora serrata
Q 28 :
Which cells in the retina are responsible for phototransduction?
A.Ganglion cells
B.Photoreceptors
C.Bipolar cells
D.Horizontal cells
Q 29 :
The blood supply to the inner retina is provided by which vessel?
A.Long ciliary arteries
B.Short posterior ciliary arteries
C.Central retinal artery
D.Ophthalmic artery
Q 30 :
What is the primary function of the retinal pigment epithelium (RPE)?
A.Transmission of visual signals
B.Support and nourishment of photoreceptors
C.Production of aqueous humor
D.Regulation of pupil size
Q 31 :
The optic disc is characterized by which feature?
A.Absence of photoreceptors (blind spot)
B.High density of photoreceptors
C.Central fovea
D.Thickest retinal layer
Q 32 :
Which retinal layer contains the ganglion cell axons?
A.Outer nuclear layer
B.Nerve fiber layer
C.Inner plexiform layer
D.Pigment epithelium
Q 33 :
Which part of the optic nerve is intraocular?
A.Intraorbital
B.Optic disc
C.Intracanalicular
D.Intracranial
Q 34 :
The optic nerve is primarily supplied by which blood vessel?
A.Central retinal artery
B.Ophthalmic artery
C.Short posterior ciliary arteries
D.Long ciliary arteries
Q 35 :
The optic chiasm is located in which part of the visual pathway?
A.Orbit
B.Intraorbital
C.Intracranial
D.Intracanalicular
Q 36 :
The pupillary light reflex involves which cranial nerve for the efferent pathway?
A.Optic nerve (II)
B.Oculomotor nerve (III)
C.Trigeminal nerve (V)
D.Abducens nerve (VI)
Q 37 :
The near reflex involves which structure in addition to the pupil?
A.Cornea
B.Choroid
C.Retina
D.Lens and ciliary muscle
Q 38 :
The optic nerve carries axons from which retinal cells?
A.Ganglion cells
B.Bipolar cells
C.Photoreceptors
D.Horizontal cells
Q 39 :
How many bones form the orbit?
A.Five
B.Six
C.Eight
D.Seven
Q 40 :
The optic foramen transmits which structure?
A.Trigeminal nerve
B.Superior rectus muscle
C.Optic nerve and ophthalmic artery
D.Facial nerve
Q 41 :
Which extraocular muscle is innervated by the trochlear nerve (IV)?
A.Superior rectus
B.Lateral rectus
C.Superior oblique
D.Inferior oblique
Q 42 :
The lateral rectus muscle is innervated by which cranial nerve?
A.Abducens nerve (VI)
B.Trochlear nerve (IV)
C.Oculomotor nerve (III)
D.Trigeminal nerve (V)
Q 43 :
The orbital apex contains which critical structure?
A.Nasolacrimal duct
B.Lacrimal gland
C.Optic nerve and extraocular muscles
D.Conjunctiva
Q 44 :
The superior orbital fissure transmits which cranial nerves?
A.II, III, IV, V1, VI
B.V1, V2, VI
C.II, V2, VII
D.III, IV, V1, VI
Q 45 :
Which gland in the eyelid produces the oily layer of the tear film?
A.Lacrimal gland
B.Meibomian gland
C.Gland of Zeiss
D.Gland of Moll
Q 46 :
The lacrimal sac drains into which structure?
A.Conjunctival fornix
B.Canal of Schlemm
C.Lacrimal gland
D.Nasolacrimal duct
Q 47 :
The levator palpebrae superioris muscle is innervated by which nerve?
A.Facial nerve (VII)
B.Oculomotor nerve (III)
C.Trigeminal nerve (V)
D.Abducens nerve (VI)
Q 48 :
The glands of Zeiss are associated with which structure?
A.Lacrimal sac
B.Meibomian glands
C.Eyelashes
D.Conjunctiva
Q 49 :
The lacrimal gland is innervated by which nerve for secretomotor function?
A.Trigeminal nerve (V)
B.Abducens nerve (VI)
C.Oculomotor nerve (III)
D.Facial nerve (VII)
Q 50 :
The tarsal plate in the eyelid is composed of which tissue?
A.Cartilage
B.Dense connective tissue
C.Smooth muscle
D.Adipose tissue
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