Eye Histology Quiz
Preview:
True/False: The corneal stroma contains blood vessels.
A. FALSE
B. TRUE
What are the blood vessels in the large vessel layer called?
A. Orbital vessels
B. Choroidal vessels
C. Choriocapillaris
D. Choroidal branches
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
True/False: The sclera is vascularized,
A. TRUE
B. FALSE
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
True/False: The aqueous humor and part of the vitreous body are produced by the photosensitive retina.
A. TRUE
B. FALSE
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 retina is vascularized and vessels run in the nerve fiber layer.
A. FALSE
B. TRUE
True/False: The choroid is vascular.
A. TRUE
B. FALSE
True/False: Ciliary processes are present in both the pars plana and pars plicata.
A. TRUE
B. FALSE
The sclera is ______ as the cornea is ______.
A. Clear; clear
B. Opaque; clear
C. Clear; opaque
D. Opaque; opaque
The anterior segment is filled with ________ and the posterior segment is filled with _______, respectively.
A. Aqueous humor; vitreous body
B. Vitreous body; vitreous body
C. Vitreous body; aqueous humor
D. Aqueous humor; aqueous humor
True/False: The lens can change shape to focus light and also varies depending on species.
A. TRUE
B. FALSE
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)
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