Veterinary Technicians,
ch. 5, 6, 7, 8 Review
Exam Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
,Mydriatic agents are used to ___ the pupils - Answer: dilate
Atropine is contraindicated in ____ and ____. - Answer: glaucoma, keratoconjunctivitis sicca
Miotic agents produce ____ constriction. - Answer: pupillary
_____ stain is the most commonly used dye for the detection of corneal epithelial defects. - Answer:
fluorescein
What is ophthaine used for? - Answer: To provide local anesthesia to the eye
Atropine opthalmic agents are used to produce - Answer: mydriasis
Epinephrine is contraindicated in ___-angle glaucoma - Answer: closed
The local anesthesia provided by proparacaine HCl usually lasts __ to __ minutes - Answer: 5-10
Fluorescein stain is used commonly to diagnose - Answer: corneal ulcers
How many mg of tropicamide are in a 0.5% solution? - Answer: 0.05
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? -
Answer: 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 an opthalmic procedure takes half an hour? - Answer: 7.5 drops
A veterinary ophthalmologist must perform a 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? - Answer: 84 strips
, What structures would a molecule of oxygen pass over or through as it travels from the environment to
the alveoli? - Answer: Nostrils, nasal cavity, pharynx, larynx, trachea, bronchi, and bronchioles
What are the four primary functions of the respiratory system? - Answer: The four functions of the
respiratory system are oxygen-carbon dioxide exchange, regulation of acid-base balance, body
temperature regulation, and voice production.
Describe the function of the three basic defense mechanisms of the respiratory system - Answer:
Structures in the nasal passages filter, warm, and humidify inspired air. The cough, sneeze, and reverse
sneeze attempt to remove foreign material that has entered the respiratory system. The mucociliary
mechanism also removes foreign material from the respiratory system. Macrophages and
immunoglobulins inactivate or destroy invasive organisms
What are three important principles of respiratory therapeutics? - Answer: The three important
principles of respiratory therapeutics are control of secretions, control of reflexes, and maintenance of
normal airflow.
Expectorants are indicated when what type of cough is present? - Answer: Productive
Mucolytics decrease the viscosity of respiratory mucus by what mechanism? - Answer: Through the
breakdown of disulfide chemical bonds
Acetylcysteine is administered by what method for pulmonary uses? - Answer: Acetylcysteine is
administered by nebulization.
What is the mechanism of action of most antitussives used in veterinary medicine? - Answer: Through
depression of the cough center in the brain
Codeine is classified in what category of controlled substances? - Answer: Schedule V
List three mechanisms that can cause smooth muscle contraction in the bronchioles. - Answer: Release
of acetylcholine, release of histamine, and blockade of beta2-adrenergic receptors