Sensory Systems

Multiple Choice

Which part of the eye is responsible for detecting light and converting it into electrical signals?

• Iris

• Lens

• Retina

• Cornea

Multiple Choice

What happens when the iris contracts?

• The lens becomes more spherical

• The cornea flattens

• The pupil enlarges

• The pupil becomes smaller

Multiple Choice

What is the correct order of the pathway of vision starting from the Cornea?

• Cornea → Pupil → Lens → Retina → Rods and Cones → Optic Nerve → Brain

• Pupil → Cornea → Lens → Retina → Rods and Cones → Optic Nerve → Brain

• Lens → Cornea → Pupil → Retina → Rods and Cones → Optic Nerve → Brain

• Rods and Cones → Cornea → Pupil → Lens → Retina → Optic Nerve → Brain

Multiple Choice

What are the common symptoms of cataracts?

• Gradual blurring of vision

• Sudden loss of vision

• Increased sensitivity to light

• Eye pain

Multiple Choice

What is the primary cause of Canine Cataracts?

• Old age

• Diabetes

• Infections

• All of the above

Multiple Choice

What is the most common treatment for Canine Cataracts?

• Antibiotics

• Surgical removal

• Steroid eye drops

• No treatment is necessary

Multiple Choice

Primary Glaucoma in dogs is characterized by:

• Increased intraocular pressure

• Decreased intraocular pressure

• Ulcer formation on the cornea

• Inflammation of the conjunctiva

Multiple Choice

What number is displayed in the Ishihara test plate?

• 1

• 2

• 3

• 4

Multiple Choice

What are the common symptoms of conjunctivitis?

• Redness

• Itching

• Blurred vision

• Dry eyes

Multiple Select

In a patient with sunconjnunctival h'ge, further investigation including imaging is warranted if

• More than 50% of the palpebral aperture is involved

• The colour is yellowish

• The posterior border of the h'ge is not seen

• There is an associated hyphema

Multiple Choice

Which of the following is a symptom of conjunctivitis in pets?

• Dry skin

• Hair loss

• Red, swollen eyes

• Increased appetite

Multiple Choice

Conjunctivitis in pets can be caused by:

• Bacteria

• Viruses

• Allergies

• All of the above

Multiple Choice

Which of the following is NOT a symptom of conjunctivitis in animals?

• Redness of the eye

• Swelling of the surrounding eye tissue

• Increased intraocular pressure

• Discharge from the eye

Multiple Choice

What is a detached retina and why is it considered an emergency situation?

• It is a minor issue that resolves on its own

• It is an emergency where the retina pulls away from blood vessels

• It is a common condition that affects everyone

• It is a condition that only affects older adults

Multiple Choice

What are the symptoms of Diabetic Retinopathy?

• Spots or floaters

• Blurred vision

• Impaired color vision

• All of the above

Multiple Choice

What are the symptoms of glaucoma?

• Mild aching

• Loss of peripheral vision

• Halos around light

• All of the above

Multiple Select

What are the symptoms of Macular Degeneration?

• Partial loss of vision

• Abnormality where straight lines appear wavy

• Blurred vision

• Loss of central vision

Multiple Select

What are the risk factors associated with Macular Degeneration?

• Age (55 and over)

• Genetics—family history

• Race—more common in Caucasians

• Smoking

Multiple Choice

What is the main characteristic of Astigmatism?

• Light focuses in front of the retina

• Light focuses behind the retina

• Irregular curvature of the cornea

• Lens loses elasticity

Multiple Choice

What causes Presbyopia?

• Lens loses elasticity

• Eyeball too long

• Irregular curvature of the cornea

• Light focuses behind the retina

Multiple Choice

What is the treatment for Myopia?

• Convex lenses

• Bifocals

• Concave lenses

• Surgical therapy

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident