Podcast
Questions and Answers
What is the main advantage of Paraplast over normal paraffin wax?
What is the main advantage of Paraplast over normal paraffin wax?
- Greater elasticity (correct)
- Higher melting point
- Lower cost
- Better color retention
Why should Paraplast not be used for thin-walled structures?
Why should Paraplast not be used for thin-walled structures?
- Improves color retention
- Allows for easier sectioning
- Reduces the need for clearing agent
- Prevents complete expansion of the specimen (correct)
How many changes in wax should the tissue be submitted to during impregnation with Bioloid?
How many changes in wax should the tissue be submitted to during impregnation with Bioloid?
- 5 changes
- 1 change
- No changes
- 3 changes (correct)
What causes crumbling of the sections during cutting?
What causes crumbling of the sections during cutting?
Why does a thicker tissue require longer time for wax penetration?
Why does a thicker tissue require longer time for wax penetration?
Which type of mould consists of square-shaped brass or metal plates in a series of interlocking plates?
Which type of mould consists of square-shaped brass or metal plates in a series of interlocking plates?
What is the main purpose of embedding tissue in melted paraffin?
What is the main purpose of embedding tissue in melted paraffin?
What is the advantage of using a vacuum embedding oven over a normal paraffin oven?
What is the advantage of using a vacuum embedding oven over a normal paraffin oven?
Which clearing agent is easiest to remove, requiring only one change of wax for impregnation?
Which clearing agent is easiest to remove, requiring only one change of wax for impregnation?
How many changes of wax are needed for chloroform and carbon tetrachloride during impregnation?
How many changes of wax are needed for chloroform and carbon tetrachloride during impregnation?
What temperature is the paraffin wax heated to before pouring into the mould?
What temperature is the paraffin wax heated to before pouring into the mould?
Why is it important to introduce the tissue with prewarmed forceps into the semi-solid wax?
Why is it important to introduce the tissue with prewarmed forceps into the semi-solid wax?
What is the purpose of submerging the whole block with mould in cold water at 20°C?
What is the purpose of submerging the whole block with mould in cold water at 20°C?
Why should the tissue surface towards the mould base be lightly trimmed with a scalpel after the blocks are set hard?
Why should the tissue surface towards the mould base be lightly trimmed with a scalpel after the blocks are set hard?
From which surface should the sections be cut after the blocks are set hard?
From which surface should the sections be cut after the blocks are set hard?
