Wet Specimen Preservation Quiz

What significant event does the narrator mention at the beginning of the video?

• A new research project

• The opening of a new biology lab

• A family vacation

• The birth of his first child

What is the first major step in the formalin wet specimen processing?

• Fixation

• Labeling

• Injection

• Washing or rinsing

Why is it important to thoroughly wash the placenta before proceeding with other steps?

• To remove excess blood

• To make it lighter

• To increase its size

• To change its color

What concentration of formalin does the narrator use for injecting the placenta?

• 12%

• 5%

• 8%

• 10%

During the fixation process, what should be done if the specimen shows signs of bloating?

• Increase the temperature

• Add more water

• Poke or massage the specimen

• Change the container

What is the purpose of replacing cloudy formalin during the fixation process?

• To enhance the color

• To ensure clear display

• To reduce the weight

• To increase the volume

What type of container does the narrator prefer for displaying the specimen?

• Round jars

• Plastic bags

• Metal boxes

• Rectangular museum jars

What is the recommended final preservative fluid if not using formalin?

• Ethanol

• Water

• Glycerin

• Vinegar

Why is it important to label the wet specimen?

• For aesthetic purposes

• To provide information about the specimen

• To increase its value

• To make it heavier

What should be done with waste formalin after processing?

• Pour it down the drain

• Store and recycle it

• Use it for cleaning

• Dispose of it in a regular trash bin