Which of the following is Iso-osmolar agent?
ANon-ionic Dimer contrast media
BIonic Monomer - High osmolality contrast media
CNon-ionic Monomer - Low osmolality contrast media
DIonic Dimer - Low osmolality contrast media
What is the most effective method for handling impression compound to ensure accurate impressions?
AAllowing the impression to cool in the mouth before removal.
BHeating with an ethanol frame and placing it directly in the patient's mouth.
CHeating in hot water and quenching in water for 20 minutes.
DMelting in boiling water at 100°C for one hour.
Which of the following is a true statement regarding the human eye?
ALens will not reflect light
BEven after cataract surgery UV rays do not penetrate
CNormal eye medium will permit wavelengths of 400-700 nm
DCornea cuts off wavelengths up to 400 nm
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