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Stack #108798

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Question
Answer
an eye that does nto blink can accommodate a maximum of about __uL of liquid and ___after it blinks   30, 10  
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a single drop of opthalmic solution is about   50ul that is based on 20 drops/ml so much of the dose is lost but this is common occurance  
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extend corneal contact time by the use of viscosity and thickening agents are nice because they   decrease frequency of dosing, increase the ocular retention time, and increase the bioavailibility  
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the preparation of solutions ans suspensions for ophthalmic use requires special consideration with regard to   sterility, preservation, isotonicity, buffereing, viscosity, ocular bioavailablity, and packagin  
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the prefered method to sterilize ophthalmics is _____ at 121 degrees for 15 mins   autoclaving  
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if thermal instability is a factor an alternative such as ___ may be used   bacterial filters  
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two perservative used in multi use vials in opth are   benzalkonium chloride and benzathonium chloride  
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body fluids have osmotic pressure corresponding to that of a ___solution of sodium chloride   0.9%  
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hypertonic solution added to the eye will do what with water   tendency to draw water from eye towards the solution in an effort to dilute and estblisha concetration equilibrium  
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a hypotonic solutions placed into the eye will   draw water from site of an ophthalmic application through the tissue of the eye  
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an E value is the amount of NaCl which has the same osmotic affect as   one gram of the drug. put another way if evalue was 0.12 the drug is 12% as effective as an equal weight of sodium chloride in contributing to tonicity  
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Created by: lainylaina