Histology Testbank: Special Senses 4

Instructions: For each histology question, pick the one best answer. This histology test bank is also useful for the histology questions on the USMLE (USMLE step 1). Click here for answers and detailed explanations.

What structure was Crystal Gayle referring to when she sang, "Don't it make my brown eyes blue"?
a. Pupil
b. Lens
c. Cornea
d. Iris
e. Retina

What makes up the bulk of the cornea?
a. Purkinje fibers
b. Myofibrils
c. Elastic fibers
d. Reticular fibers
e. Collagen fibers

What is the middle layer of the eyeball?
a. Uvea
b. Rods
c. Cones
d. Bipolar cells
e. Ganglion cells

What is the anterior pigmented portion of the retina called?
a. Choroid
b. Ciliary body
c. Iris
d. Ora serrata
e. Sclera

Which one of the following is not found in the retina?
a. Henle's layer
b. Bipolar cells
c. Amacrine cells
d. Rods
e. Ganglion cells

Which structure is part the uvea?
a. Ora serrata
b. Pigmented epithelium
c. Choroid
d. Cornea
e. Sclera

What is the space posterior to the lens?
a. Anterior chamber
b. Posterior chamber
c. Vitreal cavity
d. Both a and b
e. All of a, b, and c

Where is the blind spot?
a. Ciliary body
b. Optic disc
c. Fovea centralis
d. Lamina vitrea
e. Lamina cribrosa

How many layers does the retina have?
a. 1
b. 2
c. 4
d. 5
e. 10

Which of the following is NOT a layer of the cornea?
a. Bowman's membrane
b. Substantia propria
c. Descemet's membrane
d. Lamina vitrea
e. Endothelium

Click here for answers and detailed explanations.