Questions and CORRECT Answers
What are the characteristics of conjunctiva? - CORRECT ANSWER - Thin, transparent,
and highly vascularized with mucuous membrane
What is the mucus membrane composed of in conj? - CORRECT ANSWER - Goblet cells
(type of epithelial cell that secretes mucus)
What is in mucus? - CORRECT ANSWER - mucin, water, epithelial cells, dead
leukocytes, and inorganic salts
What is the function of mucus membrane of conj? - CORRECT ANSWER - Provides
lubrication of ocular surface and protection of the outer surface
How does the mucus membrane protect the ocular surface? - CORRECT ANSWER -
Particulates and pathogens become trapped in mucus, preventing their entry into deeper tissue
What are the 3 regions of the conjunctiva that come together to form the conjunctival sac? -
CORRECT ANSWER - Palpebral conj, forniceal conj, and bulbar conj
Conjunctiva that lines the underside of the eyelids - CORRECT ANSWER - palpebral conj
Conjunctiva that is a junctional region between palpebral and bulbar conj - CORRECT
ANSWER - forniceal conj
Conjunctiva that covers a portion of the anterior globe - CORRECT ANSWER - bulbar
conj
, What is the outer to inner layers of eye? - CORRECT ANSWER - Bulbar conj, tenon's
capsule, episclera, and sclera
Why is it that contact lenses can NOT go behind the lens? - CORRECT ANSWER -
Fornix (transition zone) forms a sac that prevents the contact lens from going behind the eye
What is palpebral conj divided into? - CORRECT ANSWER - Marginal, tarsal, and orbital
regions
What are the characteristics of the marginal conj? - CORRECT ANSWER - -present at
eyelid margin
-forms the mucocutaneous junction
-contains the lid wiper region
What is the purpose of the tarsal conj? - CORRECT ANSWER - Firmly adheres to the
tarsal plate to provide a smooth tarsal surface
Where is the orbital conj located? - CORRECT ANSWER - Present at the edge of the
tarsal plate to the forniceal conj
What is the function of orbital conj? - CORRECT ANSWER - Loose tissue that allows for
free movement of the globe
What is the cul-de-sac connecting palpebral and bulbar conj? - CORRECT ANSWER -
Forniceal Conj (Conj Fornix)
True or False: The conj fornix is the deepest conj laterally. - CORRECT ANSWER - True
True or False: The conj fornix is present medially. - CORRECT ANSWER - False