NCLE Chapter 2 Test Questions with Correct Answers

NCLE Chapter 2 Test Questions with Correct Answers Which layer of the cornea makes up 10% of the structure's total thickness? a. epithelium b. Bowman's membrane c. endothelium d. stroma - Answer-a. epithelium The vertical measurement of the palpebral fissure for an average eye is _____mm. a. 5 b. 10 c. 15 d. 20 - Answer-b. 10 The eyelid muscle responsible for closure of the lids is the: a. dilator pupillae b. orbicularis oculi c. levator superioris d. pectoral blephari - Answer-b. orbicularis oculi The anterior cornea's main source of oxygen is the: a. atmosphere b. short posterior ciliary arteries c. aqueous humor d. central retinal vein - Answer-a. atmosphere A dense opacity of the cornea is called a: a. dendrite b. nebula c. fovea d. leukoma - Answer-d. leukoma The goblet cells that secrete mucous into the tear film are located in which structure? a. ciliary body b. retina c. conjunctiva d. tarsal plate of the eyelid - Answer-c. conjunctiva The transition zone between the bulbar conjunctiva and the palpebral conjunctiva is called the: a. fundus b. blend c. limbus d. fornix - Answer-d. fornix The middle layer of the three main layers of the globe is mostly responsible for: a. nutrition b. light sensitivity c. protection d. ocular motility - Answer-a. nutrition Pupillary constriction is called: a. cycloplegia b. esophoria c. miosis d. mydriasis - Answer-c. miosis