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WorksheetsEye Quiz: Anatomy 1
Total questions: 20
Worksheet time: 9mins
The eyelids themselves are composed of how many layers?
2
3
4
5
The outermost layer of the eyelid is the skin, the middle layer is made of fibrous tissue & muscles, what is the innermost layer of tissue called?
the tear film
the tarsus
the orbicularis oculi
the conjunctiva
Within the middle layer of the upper & lower eyelids is the tarsus or tarsal plate, this gives the eyelids their firmness & shape. Also in this layer is which muscle or muscles?
Orbicularis Oculi
Levator palpebral superioris
Both A & B
Neither A nor B
The innermost layer of the eyelid, conjunctiva, is a thin transparent mucous membrane that lines all areas except:
the palpebral area
the bulbar area
the corneal area
the fornix
The tear film is made of all 3 layers of the except
oil
water
mucin
blood
The goblet cells produces fluid for which tear film layer?
oil
water
mucin
none of the above
Tears are produced by the ______________ located in the _________ part of the _________ eyelid.
lacrimal sac, medial, upper
lacrimal sac, lateral, upper
lacrimal gland, medial, upper
lacrimal gland, lateral, upper
The punctas are entrances to tubes called upper & lower canaliculi which join together & connect with the _________________.
lacrimal gland
lower punctum
lacrimal sac
goblet chamber
The anterior segment includes the cornea. Which characteristic distinguishes the cornea from other tissues:
it produces tears
it has a lack of blood vessels
it drains the tears
none of the above
The cornea consists of 5 layers, please choose the first layer, outermost.
Corneal Exothelium
Corneal Epithelium
Corneal Endothelium
Corneal Esothelium
Name the innermost layer (not the middle) of the cornea along with its function.
Endothelium- serves as a pump to maintain fluid balance
Bowman's Membrane- anchors the epithelium
Descemet's Membrane- contributes rigidity to the cornea
Corneal Stroma- Main body
The junction between the sclera & cornea is called the _______________.
Canal of Schlemm
fornix
palpebral fissure
limbus
The small compartment between the cornea and the iris is called the __________________________.
tear lake
Canal of Schlemm
lacrimal sac
anterior chamber
What is the fluid called that fills the anterior chamber?
aqueous water
aqueous cells
aqueous humor
aqueous vitreous
The uveal tract is formed by ________, ________, & ___________ together.
iris, ciliary body, choroid
cornea, iris, lens
iris, ciliary body, optic nerve
cornea, anterior chamber, lens
Which muscles control the iris functions of opening & closing its center? (select the correct muscles)
orbicularis oculi
sphincter
dilator
rectus
The transparent structure located behind the iris is called the ______________________.
crystalline lens
cornea
vitreous
choroid
The clear, jelly-like substance that fills the intraocular cavity behind the lens is _______________________.
aqueous humor
vitreous
goblet cells
none of the above
The ___________ is the innermost lining of the globe, this layer is transparent.
choroid
endochoroid
retina
endoretina
Where do the 2 optic nerves meet behind the eyes in the brain?
optic chiasm
visual cortex
frontal lobe
trabecular meshwork
