Histology Testbank: Special Senses 3

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.

During the American Revolution, in the battle of Bunker Hill, an officer instructed his troops: "Don't fire until you see the whites of their eyes". What anatomical structure was he referring to?
a. Choroid
b. Ciliary body
c. Iris
d. Ora serrata
e. Sclera

Where is the region associated with maximum visual acuity?
a. Ciliary body
b. Optic disc
c. Fovea centralis
d. Lamina vitrea
e. Lamina cribrosa

What is the suspensory ligament of the lens?
a. Zonlular fibers
b. Purkinje fibers
c. Elastic fibers
d. Spiral ligament
e. Oval ligament

Which layer of the cornea is acellular?
a. Bowman's membrane
b. Substantia propria
c. Epithelium
d. Endothelium
e. All of the above

How many layers of tissue compose the eyeball?
a. 1
b. 2
c. 3
d. 4
e. 5

What type of glands are the glands of Moll?
a. Endocrine gland
b. Apocrine sweat gland
c. Oil gland
d. Sebaceous glands
e. Eccrine sweat gland

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

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

What is the vascular pigmented structure?
a. Choroid
b. Ciliary body
c. Iris
d. Ora serrata
e. Lens

What type of epithelium is on the surface of the cornea?
a. Simple squamous
b. Stratified squamous
c. Simple cuboidal
d. Simple columnar
e. Transitional epithelium

Click here for answers and detailed explanations.