Deck 41: Overview of the Eye

Question 1

Which of the following eye structures is responsible for pupil constriction and dilation?

A) Iris
B) Cornea
C) Pupil
D) Lens

Answer 1

Iris

Question 2

When a client sustains an abrasion to the cornea,this could result in which of the following problems?

A) Cataract formation
B) Infection
C) Glaucoma
D) Color-blindness

Answer 2

Infection

Question 3

Pupil constriction normally occurs in which of the following circumstances?

A) Bright light or when focusing on nearby objects
B) Bright light or when focusing on distant objects
C) Dim light or when focusing on nearby objects
D) Dim light or when focusing on distant objects

Answer 3

Bright light or when focusing on nearby objects

Question 4

Aqueous humor drains from the eye at which of the following locations?

A) Anterior cornea
B) Posterior cornea
C) Canal of Schlemm
D) Retina

Question 5

Which of the following processes of the eye occurs every few seconds during waking hours?

A) Tear formation
B) Blinking
C) Nerve impulse transmission
D) Changes in intraocular pressure

Question 6

If an older adult client has paralysis of the ciliary muscle,this will affect the client's

A) accommodation.
B) ability to cry.
C) ability to blink.
D) ability to hear.

Question 7

Fluid produced by the eye as tears are lost by which of the following methods?

A) Diffusion
B) Osmosis
C) Evaporation
D) Active transport

Question 8

Which of the following parts of the eye is responsible for vision because of its rods and cones and the optic nerve?

A) Lens
B) Retina
C) Cornea
D) Pupil

Question 9

The nurse who is assessing the client with conjunctivitis would look at which of the following areas of the eye?

A) Lacrimal canaliculi
B) Sclera
C) Inner surface of eyelids
D) Cornea

Question 10

The sclera is which part of the eye?

A) The mucous membrane that lines the eye and the lids
B) The muscle that runs radially from the pupil to the periphery of the iris
C) The transparent mass of uniformly arranged fibers encased in an elastic capsule
D) The nontransparent,white,fibrous envelope of the eye

Question 11

Which term describes paralysis of the ciliary muscle of the eye?

A) Miosis
B) Mydriasis
C) Cycloplegia
D) Cataract

Question 12

The part of the eye that is responsible for accommodation is the

A) iris.
B) cornea.
C) pupil.
D) lens.

Question 13

Medications that are miotics result in

A) actions similar to those of acetylcholine.
B) stimulation of adrenergic receptors.
C) blocking of the parasympathetic nervous system.
D) stimulation of the sympathetic nervous system.

Question 14

Pupil dilation normally occurs in which of the following circumstances?

A) Bright light or when focusing on nearby objects
B) Bright light or when focusing on distant objects
C) Dim light or when focusing on nearby objects
D) Dim light or when focusing on distant objects

Question 15

The nurse notes that a client has a cataract on the right eye.The nurse understands that this client will need surgery on which part of the eye?

A) Iris
B) Cornea
C) Pupil
D) Lens