Medical Quiz

Eye Histology Quiz


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True/False: The anterior segment contains the cornea, iris, pupil, lens, and anterior/posterior chambers.

A. TRUE

B. FALSE


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.

A. TRUE

B. FALSE


True/False: The lens epithelium is only present on the anterior surface of a fetal lens.

A. TRUE

B. FALSE


Which layer, composition, and organ produced by is incorrect?

A. Superficial layer, lipid, and Meibomian glands

B. Central layer, aqueous, and lacrimal glands

C. Central layer, cholesterol, and lacrimal glands

D. Basal layer, mucoid, and goblet cells


What has the appearance of a sieve and is elastic to allow vessels and retinal axons to pass through?

A. Cribriform plate

B. Lamina sclera

C. Lamina cribrosa

D. Scleral membrane


What are the three layers of the globe from exterior to interior?

A. Retinal, Vascular, Fibrous

B. Vascular, Retinal, Fibrous

C. Fibrous, Retinal, Vascular

D. Fibrous, Vascular, Retinal


True/False: Diseases that raise the viscosity of the vitreous body can cause the retina to detach.

A. TRUE

B. FALSE


There are two layers of cells in the posterior iridial epithelium. How many are pigmented?

A. None

B. Both

C. Only the outer

D. Only the inner


How many layers of epithelium does the cornea have?

A. 1

B. 2

C. 3

D. 0.5


True/False: The retina is vascularized and vessels run in the nerve fiber layer.

A. FALSE

B. TRUE


True/False: Ciliary processes are present in both the pars plana and pars plicata.

A. TRUE

B. FALSE


True/False: The cornea is well innervated.

A. TRUE

B. FALSE


Changing the overall shape of the lens allowing for focusing on near/distant objects is called ____________ and is accomplished by the ciliary muscle.

A. Accommodation

B. Acclimation

C. Adjustment

D. Adaptation


True/False: The corneal stroma contains blood vessels.

A. FALSE

B. TRUE


What is the correct layer of cells in the retinal from internal to external?

A. Bipolar cells, rods/cones photosensitive cells, and ganglion cells

B. Ganglion cells, rods/cones photosensitive cells, and bipolar cells

C. Bipolar cells, ganglion cells, and rods/cones photosensitive cells

D. Ganglion cells, bipolar cells, and rods/cones photosensitive cells


What two muscles are present in the iris? What cranial nerve is used to perform mydriasis and miosis?

A. Pupillary sphincter and dilator; Oculomotor (III)

B. Pupillary sphincter and constrictor; Oculomotor (III)

C. Pupillary sphincter and dilator; Trigeminal (V)

D. Pupillary sphincter and constrictor; Trigeminal (V)


True/False: The vascularized layers in the eye consist of the sclera, cornea, retina, iris, and choroid.

A. TRUE

B. FALSE


All the zonular fibers together make the ____________.

A. Sling tendon

B. Slingluar ligament

C. Suspensory ligament

D. Suspensory tendon


There are two layers of cells in the non-photosensitive retina on the ciliary body. How many are pigmented?

A. None

B. Both

C. Only the outer

D. Only the inner


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 _______.

A. Connecting tissue; glaucoma

B. Connecting tissue; cataracts

C. Proteins; cataracts

D. Proteins; glaucoma


The sclera is ______ as the cornea is ______.

A. Clear; clear

B. Opaque; clear

C. Clear; opaque

D. Opaque; opaque


True/False: The posterior segment contains the vitreous body, retina, optic disc, and all layers external to the cornea.

A. TRUE

B. FALSE


The latticework present in the iridocorneal angle is called…

A. Trabecular meshwork

B. Lamellar meshwork

C. Latticular meshwork

D. Conchal meshwork


What is responsible for suspending the lens?

A. Non-photosensitive retina present over the ciliary body

B. Cytoplasmic extensions of the iridial stroma

C. Zonules of the iris

D. Zonules of the ciliary body


True/False: The choroid is vascular.

A. TRUE

B. FALSE




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