Microbiology BIOD 171 Module 3 EXAM WITH
STANDARDIZED QUESTIONS AND ANSWERS VERIFIED
Who is the father of medicine? - correct answer
Hippocrates
Who overcame plague and observed resistance when exposed to plague once again? - correct answer
Thucydides
Who invented the microscope? - correct answer
Anton van Leeuwenhoek
How is the image in a microscope affected? - correct answer
It looks inverted, reversed, and enlarged
What is used to measure? - correct answer
Metric units
Magnification - correct answer
Increases size of an object, results when radiation bends as it passes through lens
Shorter wavelengths increase ... - correct answer
Resolving power
What is most important device for studying biology at the microscopic level? - correct answer
Microscope
, What is resolution? - correct answer
The distance between two objects at which the objects can be seen as separate
The closer two objects are ... - correct answer
The higher the resolution needed
What is contrast? - correct answer
Difference between light absorbance between two areas
What is the simplest form of light/optical microscopes? - correct answer
Brightfield
In brigthfield microscope, light is reflected onto samples using ... - correct answer
Mirrors
What is the Birghtfield microscope used for? - correct answer
To count cells and view stained/live unstained samples
What is the function of the condenser? - correct answer
It converges light beams into a focused area on the sample
What is the function of the iris diaphragm? - correct answer
It controls the amount of light that passes through the sample onto the objective lens
What is the function of the objective lens? - correct answer
It is the closest lens to the sample, yield greatest amount of magnification
Degree of magnification needed is directly proportional to ... - correct answer
Light needed
STANDARDIZED QUESTIONS AND ANSWERS VERIFIED
Who is the father of medicine? - correct answer
Hippocrates
Who overcame plague and observed resistance when exposed to plague once again? - correct answer
Thucydides
Who invented the microscope? - correct answer
Anton van Leeuwenhoek
How is the image in a microscope affected? - correct answer
It looks inverted, reversed, and enlarged
What is used to measure? - correct answer
Metric units
Magnification - correct answer
Increases size of an object, results when radiation bends as it passes through lens
Shorter wavelengths increase ... - correct answer
Resolving power
What is most important device for studying biology at the microscopic level? - correct answer
Microscope
, What is resolution? - correct answer
The distance between two objects at which the objects can be seen as separate
The closer two objects are ... - correct answer
The higher the resolution needed
What is contrast? - correct answer
Difference between light absorbance between two areas
What is the simplest form of light/optical microscopes? - correct answer
Brightfield
In brigthfield microscope, light is reflected onto samples using ... - correct answer
Mirrors
What is the Birghtfield microscope used for? - correct answer
To count cells and view stained/live unstained samples
What is the function of the condenser? - correct answer
It converges light beams into a focused area on the sample
What is the function of the iris diaphragm? - correct answer
It controls the amount of light that passes through the sample onto the objective lens
What is the function of the objective lens? - correct answer
It is the closest lens to the sample, yield greatest amount of magnification
Degree of magnification needed is directly proportional to ... - correct answer
Light needed
