Chapter 1 Flashcards
What is biology?
The detailed study of living things in the natural environment
What are some examples of biological study areas?
Botany
Physiology
Ecology
Genetics
Microbiology
Examples of the contribution biology has brought to daily life
Production of food
Medical
Pharmaceutical
Agriculture
Examples of the contribution biology has brought to the production of food, medical, pharmaceutical and agriculture
Use of microorganisms in the production of certain foods
Plastic Surgery
Production of synthetic vitamins and vaccines
Transgenic crops and animals, hydroponic technology
State the use of the emergency shower station
Used when chemicals or hazardous substances come in contact with skin
State the use of the eye wash station
Used to wash the eyes when exposed to chemicals or hazardous substances
State the use of the fume hood
To avoid breathing hazardous chemicals
( bromine, chlorine )
State the use of the laminar flow cabinet
Provides a flow of filtered air for a clean work area in the laminar flow cabinet
Use of the biological safety cabinet
Provides an enclosed work space to study materials that have been contaminated
Use of goggles
Protect eyes from hazardous chemicals
Use of face mask
Protect against smoke, vapour and dust that can affect the respiratory system
Use of laboratory gloves
To handle biological samples
Use of handwash
Remove germs on hands
Use of lab coat
Protect skin and clothes from dangerous chemical splashes
Examples of substances that can be disposed into the sink
Chemicals with Ph values 5 - 9
Low concentration liquids and solutions ( dye solution, distilled water )
Examples of substances that cannot be disposed into the sink
Substances with pH value lower than 5 or more than 9
Chemicals
Radioactive substances
Organic waste
Heavy metals
Examples of category A biological waste
( sharp wastes )
Syringes
Needles
Glass
Scalpel
Placed into special bin for sharp material
Examples of category B biological waste
( non sharp wastes)
Gloves
Tissue paper
Petri dishes
Packed in biohazard plastic bags, sterilized in an autoclave and then placed into biohazard bins
Examples of category C biological waste
(animal carcases)
animal carcases
organs
tissues
Wrapped in absorbent material, packed carefully into biohazard plastic bags and frozen
Examples of category D biological waste and how to manage it
liquid medium
blood
coffee
broth culture
Decontaminated by autoclaving before immediate disposal
How are accidents caused in a lab?
Carelessness, negligence or lack of skill in carrying out experiments
What is used to stop chemical spills from spreading?
Sand
What is used to stop mercury spills from spreading?
Sulphur
