WorksheetsEye Histology Final Exam
Total questions: 67
Worksheet time: 2hrs 31mins
Adnexa includes...
Eyelid
Glands
Orbit soft tissues
Eyeball
The sclera is ______ as the cornea is ______.
Clear; clear
Opaque; clear
Clear; opaque
Opaque; opaque
What are the three layers of the globe from exterior to interior?
Retinal, Vascular, Fibrous
Vascular, Retinal, Fibrous
Fibrous, Retinal, Vascular
Fibrous, Vascular, Retinal
What makes up the uvea?
Iris
Retina
Ciliary body
Choroid
True/False: The anterior segment contains the cornea, iris, pupil, lens, and anterior/posterior chambers.
True
False
True/False: The posterior segment contains the vitreous body, retina, optic disc, and all layers external to the cornea.
True
False
The (a) chamber is the space between the cornea and iris.
The (a) chamber is the space between the iris and lens.
The anterior segment is filled with ________ and the posterior segment is filled with _______, respectively.
Aqueous humor; vitreous body
Vitreous body; vitreous body
Vitreous body; aqueous humor
Aqueous humor; aqueous humor
The epithelium covering the eyelids is...
Another name for the third eyelid is the (a) membrane.
How do you identify the third eyelid as opposed to other structures?
Which layer, composition, and organ produced by is incorrect?
Superficial layer, lipid, and Meibomian glands
Central layer, aqueous, and lacrimal glands
Central layer, cholesterol, and lacrimal glands
Basal layer, mucoid, and goblet cells
(a) is the junction of the dense regular cornea and dense irregular sclera.
True/False: The sclera is vascularized,
True
False
(a) maintains the shape of the eye.
What is the epithelium of the sclera on the anterior segment of the eye?
(a) conjunctiva is the conjunctiva on the surface of the globe.
What has the appearance of a sieve and is elastic to allow vessels and retinal axons to pass through?
Cribriform plate
Lamina sclera
Lamina cribrosa
Scleral membrane
How many layers of epithelium does the cornea have?
1
2
3
0.5
What makes up the anterior corneal epithelium?
True/False: The corneal stroma contains blood vessels.
False
True
What makes up the corneal stroma?
What epithelium is present in the corneal endothelium?
The thickened basement membrane present between the corneal endothelium and corneal stroma is called (a) membrane.
Describe the flow of aqueous humor.
The (a) angle is the space between where the cornea meets the iris.
The latticework present in the iridocorneal angle is called...
Trabecular meshwork
Lamellar meshwork
Latticular meshwork
Conchal meshwork
The trabecular meshwork is composed of _________ and __________. Please write your answer as thing; thing (with a space).
(a)
If patency of the iridocorneal angle is disrupted, the patient could suffer from (a) .
What two muscles are present in the iris? What cranial nerve is used to perform mydriasis and miosis?
Pupillary sphincter and dilator; Oculomotor (III)
Pupillary sphincter and constrictor; Oculomotor (III)
Pupillary sphincter and dilator; Trigeminal (V)
Pupillary sphincter and constrictor; Trigeminal (V)
If present, the anterior iridial epithelium is ____________.
Absent
Present
Diminished
Complete
There are two layers of cells in the posterior iridial epithelium. How many are pigmented?
None
Both
Only the outer
Only the inner
The posterior iridial epithelium is a continuation of the (a) retina.
What is responsible for suspending the lens?
Non-photosensitive retina present over the ciliary body
Cytoplasmic extensions of the iridial stroma
Zonules of the iris
Zonules of the ciliary body
There are two layers of cells in the non-photosensitive retina on the ciliary body. How many are pigmented?
None
Both
Only the outer
Only the inner
True/False: The aqueous humor and part of the vitreous body are produced by the photosensitive retina.
True
False
Explain the difference between the pars plicata and the pars plana in relation to appearance and location.
The junction between the photosensitive retina and the pars plana of the ciliary body is termed the ______ ________.
(a)
True/False: Ciliary processes are present in both the pars plana and pars plicata.
True
False
True/False: The choroid is vascular.
True
False
What is the correct order of layers of the choroid from external to internal?
What are the blood vessels in the large vessel layer called?
Orbital vessels
Choroidal vessels
Choriocapillaris
Choroidal branches
Match the species with their tapetum:
1) Carnivores
2) Ungulates
3) Pigs and Primates
a. Fibrous tapetum
b. cellular tapetum
c. No tapetum
Which of the following is present in the vitreous body?
Hyalocytes
Glycosaminoglycan
Collagen
Water
None of these
True/False: Diseases that raise the viscosity of the vitreous body can cause the retina to detach.
True
False
Explain the concept of floaters in vision.
Along its entire length, the non-photosensitive retinal epithelium is...
Please draw a diagram to show the pigmentation of layers at different locations in the eye.
From internal to external, list the three layers we discussed in the retina.
Describe the flow of light and electrical signals as it relates to the retina.
What is the correct layer of cells in the retinal from internal to external?
Bipolar cells, rods/cones photosensitive cells, and ganglion cells
Ganglion cells, rods/cones photosensitive cells, and bipolar cells
Bipolar cells, ganglion cells, and rods/cones photosensitive cells
Ganglion cells, bipolar cells, and rods/cones photosensitive cells
True/False: The cornea is well innervated.
True
False
True/False: The retina is vascularized and vessels run in the nerve fiber layer.
False
True
What epithelium is present in retinal pigmented epithelium?
What is the name for the retinal pigmented epithelium when it is over a tapetum?
True/False: The vascularized layers in the eye consist of the sclera, cornea, retina, iris, and choroid.
True
False
All the zonular fibers together make the ____________.
Sling tendon
Slingluar ligament
Suspensory ligament
Suspensory tendon
True/False: The lens can change shape to focus light and also varies depending on species.
True
False
What are the layers of the lens from outer to inner?
True/False: The lens epithelium is only present on the anterior surface of a fetal lens.
True
False
The lens is composed of high concentrations of lens ______ and keeping the appropriate arrangement of these is critical to maintain lens clarity with problems resulting in _______.
Connecting tissue; glaucoma
Connecting tissue; cataracts
Proteins; cataracts
Proteins; glaucoma
Changing the overall shape of the lens allowing for focusing on near/distant objects is called ____________ and is accomplished by the ciliary muscle.
Accommodation
Acclimation
Adjustment
Adaptation
Contraction of ciliary muscle allows for (a) (near/far) vision by decreasing tension on zonular fibers allowing the lens to become more spherical in shape.
The blood-ocular barrier is created by...
What is the function of the blood-ocular barrier?
True/False: Oral medications are the best to use to address eye issues as the systemic circulation will ensure treatment to all parts of the eye.
True
False
