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Questions and Answers
Which dehydrating agent has a rapid action but produces shrinkage, distortion, and subsequent brittleness to the tissue?
Which dehydrating agent has a rapid action but produces shrinkage, distortion, and subsequent brittleness to the tissue?
- Isopropyl alcohol
- Water
- Dioxane
- Acetone (correct)
Which dehydrating agent dehydrates and clears at the same time, and is miscible with paraffin and water/alcohol?
Which dehydrating agent dehydrates and clears at the same time, and is miscible with paraffin and water/alcohol?
- Ethanol
- Acetone
- Dioxane (correct)
- Isopropyl alcohol
Which dehydrating agent is miscible with water and other organic solvents, does not harden tissue like alcohol, and is expensive?
Which dehydrating agent is miscible with water and other organic solvents, does not harden tissue like alcohol, and is expensive?
- Isopropyl alcohol (correct)
- Formaldehyde
- Dioxane
- Acetone
Which dehydrating agent is toxic to humans and is more expensive than alcohol?
Which dehydrating agent is toxic to humans and is more expensive than alcohol?
What is the purpose of a clearing agent in tissue treatment?
What is the purpose of a clearing agent in tissue treatment?
Which clearing agent has a slower action but causes less brittleness to the tissue, allowing it to be left overnight?
Which clearing agent has a slower action but causes less brittleness to the tissue, allowing it to be left overnight?
Which clearing agent is good for delicate tissues as it has the least hardening effect and is very slow in action?
Which clearing agent is good for delicate tissues as it has the least hardening effect and is very slow in action?
In which clearing agent may the tissue be left overnight, and in an automatic tissue processor three changes of one hour each are usually satisfactory?
In which clearing agent may the tissue be left overnight, and in an automatic tissue processor three changes of one hour each are usually satisfactory?
Which clearing agent has a rapid action, with biopsy specimens of 3-4 mm thickness being cleared in 2-4 hours?
Which clearing agent has a rapid action, with biopsy specimens of 3-4 mm thickness being cleared in 2-4 hours?
Which clearing agent is similar in properties to xylene but is cheaper?
Which clearing agent is similar in properties to xylene but is cheaper?
What is the purpose of impregnation with paraffin wax?
What is the purpose of impregnation with paraffin wax?
What should paraffin wax be free from during use?
What should paraffin wax be free from during use?
Why is frequent temperature check of paraffin baths required?
Why is frequent temperature check of paraffin baths required?
What does overheating paraffin wax cause?
What does overheating paraffin wax cause?
What are the properties of paraffin wax that make it advantageous for impregnation?
What are the properties of paraffin wax that make it advantageous for impregnation?
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