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unit C quiz on act. 30-37

Terms

undefined, object
copy deck
cell theory
a widely accepted expectation of the relationship between cells and living things
course adjustment knob
moves the stage to focus the object
microbes
creatures lens magnification x ocular lense =total magnification
infectious
a disease that can pass from one person to another
fine focus knob
moves the stage slightly to focus objects
epidermiologist
scientist who trace the spread of a disease through a population
stage
the flat platform where you placy your slides. Stage clips hold the sides in place
vector
an organism that spreads disease-causing germs to humans, usually without getting sick itself
base
the bottom of the microscope, used for support
objective lenses
low power= 4x medium power= 10x high power= 40x
optical lens/eyepiece
the lense at the top that you look through. They are 10x or 15x power
disease
a breakdown in the structure or function of a living organism
germ theory
the idea that infectious disease are caused by germs which can be spread by people
diaphragm
a disc underneath the stage that controls light
multicellular/unicellular
a type of organism that is made up of many cells. a type of organism that is made up of one cell
carrier
a person who is contagious but never developes symptoms of the disease or developes the symptoms only after a lengthy period
cell
the basic unit of structure and function in living things
quarantine
the isolation of a person or animal who has a disease in order to prevent further spread of the disease
field of view
the area visible through the microscope

Deck Info

19

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