Required practical 5 - dissection Flashcards
1
Q
Why are dissections important
A
To understand internal biological functions.
2
Q
What are some examples of dissections
A
- Heart
- Fish gills
- Insect respiratory system
- Lungs
3
Q
What is an example of an ethical issue with dissections
A
The way in which the animals are raised and killed.
4
Q
What is the equipment list for this practical
A
- Scalpel
- Scissors
- Tweezers
- Pins
- Dissection board
- Newspaper/ paper towels
- Biological specimen
5
Q
What are the risks associated with this practical
A
- Biohazard
- Disinfectant
- Sharp tools
6
Q
What is the risk of the biohazard
A
Contamination
7
Q
What is the risk of the disinfectant
A
It is flammable
8
Q
What is the risk of sharp tools
A
Cuts from a sharp object
9
Q
What are the precautions for the biohazard
A
- Use disinfectant
- Keep sample on dissection board
- Wash hands with soap after dissection
10
Q
What are the precautions for the disinfectant
A
Keep away from naked flame
11
Q
What are the precautions for the sharp tools
A
- Cut away from fingers
- Use forceps to hold tissue whilst cutting
- Keep away from the edge of the desk
12
Q
How should your labelled diagram be drawn
A
- Use a sharp HB pencil
● Make sure drawing is large enough for detail and labels (at least half a page
advisable)
● No shading
● Use single and continuous lines (no sketching)
● Label lines should be drawn with a ruler
● Do not cross label lines
● Lines should not have any arrows
● Label all the structures
● Do not use colour
● Include a magnification/scale
