JCAT Independent Study Quiz answers and questions 2023.

JCAT Independent Study Quiz answers and questions 2023. Which of the following is NOT hereditary? A) Migraines B) Diabetes C) Nystagmus D) Conjunctivitis - correct answers.D) Conjunctivitis Which part of the patient examination is performed by asking specific questions in an orderly sequence? A) History B) Diagnosis C) Measurement D) Assessment - correct answers.A) History What is an important question to ask a patient that complains of a "red eye"? A) Do you have blurred vision? B) Do you see flashing lights? C) Do you wear glasses? D) Do you see floaters? - correct answers.A) Do you have blurred vision? What is the term used to refer to symptoms due to uncorrected refractive error? A) Ametropia B) Asthenopia C) Esotropia D) Anisometropia - correct answers.B) Asthenopia Symptoms associated with a red, irritated, and bloodshot eye are most likely due to: A) a retinal detachment B) a cataract C) conjunctivitis D) open-angle glaucoma - correct answers.C) conjunctivitis Which of the following MOST qualifies as a chief complaint? A) Current medications B) Munson's sign C) Eye fatigue D) Exophoria - correct answers.C) Eye fatigue Which common familial ocular disorder should you record during a patient's history? A) Scoliosis B) Keratoconus C) Hemophilia D) Cholesterolemia - correct answers.B) Keratoconus Which of the following symptoms requires prompt attention? A) Diplopia B) Pain in the eye C) Gritty feeling D) Sudden loss of vision - correct answers.C) Gritty feeling After introduction to the patient, one of the first items that should be obtained as part of history taking is the: A) medications and dosages that the patient is currently taking B) chief complaint or reason for the patient's visit C) patient's allergy history D) patient's family medical history - correct answers.B) chief complaint or reason for the patient's visit Measuring visual acuity with a potential acuity meter is useful for patients with: A) glaucoma B) cataracts C) optic neuritis D) age-related macular degeneration - correct answers.B) cataracts Near vision charts should be held about how many inches from the eye? A) 10-12 B) 14-16 C) 18-20 D) 22-24 - correct answers.B) 14-16 If poor vision is simply due to refractive error, the acuity should improve with use of a(n) A) placido disc B) pinhole disc C) occluder over non-dominant eye D) occluder over dominant eye - correct answers.B) pinhole disc What is the recommended distance used for assessing distance acuity? A) 3 ft B) 10 ft C) 20 ft D) 40 ft - correct answers.C) 20 ft If a person is able to see an object at 20 feet that can be seen at 60 feet by a person with no refractive error, their visual acuity is said to be: A) 20/20 B) 20/40 C) 20/60 D) 20/80 - correct answers.C) 20/60 What does the numerator stand for in the 20/20 notation? A) Distance between the patient and the examiner B) Distance from the patient's eyes to the chart C) Further distance from which the patient can see the letters D) Closest distance from which the patient can see the letters - correct answers.B) Distance from the patient's eyes to the chart Which statement refers to the letters on the Snellen chart? A) Because they subtend the same amount of arc, each letter is equally recognizable B) Even though they each subtend the same amount of arc, some letters are easier to recognize than others. C) Different letters subtend different amounts of arc, yet each letter is equally recognizable. D) Different letters subtend different amounts of arc, thus some letters are easier to recognize than others. - correct answers.B) Even though they each subtend the same amount of arc, some letters are easier to recognize than others. If a patient is unable to distinguish the largest letter on a Snellen chart, the assistant should: A) determine if the patient can count fingers at a given distance B) immediately assess for hand motion C) darken the room and check for light perception D) record "unable to assess" in the patient's chart - correct answers.A) determine if the patient can count fingers at a given distance In visual assessment, an infant would be expected to reach for toys by the age of: A) 2-4 months B) 4-6 months C) 6-8 months D) 8-10 months - correct answers.B) 4-6 months What is the MOST common way to record visual acuity in infants and preverbal children? A) MCS B) CSM C) MCG D) CMG - correct answers.B) CSM The Amsler grid is designed to evaluate visual field deficiencies in how many degrees of central vision? A) 10 B) 20 C) 45 D) 90 - correct answers.B) 20 What is the term for an area of complete or partial blindness in an otherwise normal visual field? A) Scotoma B) Synechiae C) Stye D) Stroma - correct answers.A) Scotoma Visual field loss due to optic nerve cupping is related to which condition? A) Glaucoma B) Tropia C) Phoria D) Nystagmus - correct answers.A) Glaucoma Which type of perimetry technique involves a moving target? A) Threshold B) Kinetic C) Static D) Automatic - correct answers.B) Kinetic Scotomas located immediately nasal or temporal to fixation are known as: A) central B) paracentral C) arcuate D) nasal step - correct answers.B) paracentral The MOST widely used method of visual field screening, requiring no special equipment, is: A) the Goldmann perimetry B) the tangent screen C) Amsler grid D) confrontation test - correct answers.D) confrontation test What type of patients uniformly require a threshold 24-degree central field test? A) Cataract B) Diplopia C) Glaucoma D) Low vision - correct answers.C) Glaucoma Consensual light reflex in the right eye results in: A) right pupil constriction B) right pupil dilation C) left pupil constriction D) left pupil dilation - correct answers.C) left pupil constriction What is a term for the state of pupillary constriction? A) Mydriasis B) Miosis C) Cycloplegia D) Anisocoria - correct answers.B) Miosis If the amount of light information transmitted to the brain from one eye differs from that of the other, the patient has a(n): A) afferent pupillary defect B) Adie's pupil C) tonic pupil D) third nerve palsy - correct answers.A) afferent pupillary defect What is the term for pupils that are of unequal size? A) Amblyopia B) Ametropia