Labs 1-2 Flashcards
LAB1
Microorganisms include..
Viruses, bacteria, fungi, Protozoa, and animal parasites.
LAB1 Nutrient agar is a …
General purpose medium that will support the growth of many common bacteria that aren’t too finicky about what they eat
LAB1 Bacteria growing on or in our bodies often require what type of media?
Enriched media with various special nutrients
LAB1 Contamination
When a micro organism accidentally gets into your culture
LAB1 Why do you think then rich media plate was intubated at 37°C?
Because at 37°C it is the right temperature just like our bodies for bacteria to grow
LAB1 What procedures should you do at the beginning and end of each laboratory To cut down the numbers of contaminating microbes?
Washing your hands
Clean or disinfect lab work area
Throw away objects in their corresponding containers
LAB2 What type of microbes are temporary and can be removed by washing hands
Transient Flora
LAB2 What type of species of micro organisms live naturally and permanently in various areas of your body including your skin?
Resident or normal flora
LAB2 What is a nosocomial infection?
A disease acquired during hospitalization
In other words this is a disease that the patient did not have before entering the hospital
LAB2. Independent variable
A variable or condition that is changed or controlled
Increasing the water temp
A change in independent variable directly causes a change in the dependent (warm water)
LAB2. Dependant variable
Is the variable being tested
With warm water
LAB2. Control group
The unchanged group that we compare against.
Dependent vs. control
(Washing with Warm water vs cold water)
LAB2. Hypothesis
Is a logical prediction or educated guess
LAB2. Results
Refers to the actual data that you collect (such as the number of colonies you obtained after washing your hands a certain way)
LAB2. Double blind controls
The placebo effect
