Deck 22: The Eye

Question 1

The most important complication of untreated glaucoma is:

A) Conjunctivitis
B) Keratitis
C) Iridocyclitis
D) Retinitis
E) Loss of eyesight

Answer 1

Loss of eyesight

Question 2

An irregular surface of the cornea or the lens that results in an uneven refraction of light is known as:

A) Myopia
B) Hyperopia
C) Astigmatism
D) Presbyopia
E) Myosis

Answer 2

Astigmatism

Question 3

Structural congenital abnormalities of the eyes are common consequences of intrauterine infections with pathogens that cause:

A) AIDS
B) Herpes simplex 2
C) Mumps
D) TORCH syndrome
E) Rubella

Answer 3

TORCH syndrome

Question 4

The innermost sensory layer of the eye,composed of rods and cones,is called:

A) Iris
B) Cornea
C) Sclera
D) Retina
E) Choroid

Question 5

Known as the "blind spot," this part of the retina cannot receive light signals.It is known as the:

A) Optic nerve
B) Optic disk
C) Fovea
D) Rods
E) Cones

Question 6

A primary malignant tumor of the eye in a 3-month-old child is most likely:

A) Melanoma
B) Basal cell carcinoma
C) Squamous cell carcinoma
D) Retinoblastoma
E) Glioblastoma

Question 7

Gerry is 45 years old and now needs glasses.The most likely cause of his vision problem is known as:

A) Myopia
B) Hyperopia
C) Astigmatism
D) Presbyopia
E) Cataracts

Question 8

Allergic conjunctivitis is typically mediated by:

A) T lymphocytes
B) IgA
C) IgE
D) IgG
E) IgM

Question 9

The most common cause of cataracts in the United States is:

A) Old age
B) Trauma
C) Endophthalmitis
D) Trachoma
E) Radiation

Question 10

Which part of the eye is usually affected by chemical injury from exogenous caustic substances?

A) Cornea
B) Iris
C) Posterior chamber
D) Optic nerve
E) Retina

Question 11

Which of the following disorders has no defined underlying pathologic condition?

A) Glaucoma
B) Myopia
C) Cataract
D) Trachoma
E) Conjunctivitis

Question 12

The most common cause of night blindness is a nutritional deficiency of:

A) Vitamin A
B) Vitamin B6
C) Vitamin C
D) Vitamin D
E) Vitamin K

Question 13

Which of the following is found in all patients with glaucoma?

A) Myopia
B) Mydriasis
C) Hypermetropia
D) Opacities of the lens
E) Increased intraocular pressure

Question 14

The most important cause of ulcerative keratitis is:

A) CMV
B) Herpesvirus
C) Mumps virus
D) Influenza virus
E) Human papillomavirus

Question 15

Which is the most common primary malignant intraocular tumor of adults?

A) Meningioma
B) Retinoblastoma
C) Melanoma
D) Angiosarcoma
E) Lymphoma

Question 16

Age-related macular degeneration,a common cause of blindness in elderly persons,is:

A) Immune mediated
B) Caused by diabetes
C) Of unknown pathogenesis
D) Found only in myopic persons
E) Caused by high blood pressure

Question 17

Hard exudates,macular stars,and papilledema caused by arterial hypertension are best diagnosed by:

A) Measuring intraocular pressure
B) Ophthalmoscopic examination of the fundus
C) Measuring pupillary reflexes
D) Measuring vision with vision charts
E) Biopsy of the cornea

Question 18

The space behind the lens,which is filled with gelatinous,clear body,is known as:

A) Anterior eye chamber
B) Retina
C) Macula lutea
D) Vitreous cavity
E) Choroid body

Question 19

Which of the following diseases is the most important cause of cataracts?

A) Amyloidosis
B) Anthracosis
C) Diabetes mellitus
D) Gout
E) Hyperthyroidism

Question 20

Carla was diagnosed with battered child syndrome after the physician documented that she suffered from:

A) Corneal abrasions
B) Glaucoma
C) Retroretinal hemorrhages
D) Retinitis pigmentosa
E) Age-related macular degeneration