Chapter 10 review questions Flashcards
Mydriatic Agents are used to ________ the pupils
Dilate
Atropine is contraindicated in ___ and _______.
glaucoma, keratoconjunctivitis sicca
Miotic agents produce ____ constriction.
pupillary
Why are ophthalmic stains used?
ophthalmic stain used as diagnostic aids for detecting disease in both the anterior posterior segments and in the nasolacrimal system.
____ stain is the most commonly used dye for the detection of corneal epithelial defects.
Fluorsecein
Patients with ear mites, whose ears are left untreated, often experience ____ hematomas caused by excessive shaking of the head.
aural
What type of administration is the most common method of treating disorders of the eye?
Topical ophthalmis (ex: ointments, drops)
Why do most topical ophthalmic medications require several applications per day?
Because the eye secretes tears, the medication may be quickly diluted; thus reapplication becomes necessary
What is ophthaine used for?
To provide local anesthesia to the eye
The appearance of fluorescein stain at the nostril opening is an abnormal finding when a fluorescein stain test is performed. T/F
false
The nictitating membrane is also known as
Third eyelid
Mydriatic agents are used to ___ the pupils.
dilate
Atropine ophthalmic agents are used to produce ____
mydriasis
Epinephrine is contraindicated in ____ angle glaucoma.
closed
Mannitol is a loop diuretic. T/F
false
The local anesthesia provided by proparacaine HC1 usually lasts __ to __ minutes.
5 to 10 minutes
Fluorescein stain is commonly used to diagnose ___
corneal ulcers
____ have very strong palpebral muscles, and it may be necessary to have another person assist when one is applying ophthalmic drugs.
Equines
It is acceptable to use corticosteroid-type ointments in patients with corneal ulcers. T/F
False
____ has been developed for the treatment of Otodectes spp.
Acarexx
How many milligrams of tropicamide are in a 0.5% solution?
0.05 mg
If the veterinarian prescribes amphotericin B in a 0.15% solution for ocular administration at a rate of 0.2 mL in the eye every 4 hours for 14 days, how much solution should be prepared for the patient?
16.8 mL
If proparacaine anesthetizes the cornea for 8 minutes at the usual dose of 2 drops, how many drops will need to be administered if the procedure takes half an hour?
7.5 drops
A veterinary ophthalmologist must perform fluorescein staining on 21 dogs in a 1-week period. How many fluorescein strips need to be on hand to accomplish this task for a month?
84 strips
