MICROBIOLOGY QUIZ The Use and Care of the Microscope Flashcards
Used to study and enlarged and well defined images of object that are too small to be observed by the naked eyes.
Microscope
Large knob on a microscope used for making large adjustments to the focus by moving the stage up or down
Coarse adjustment
Smaller knob on a microscope used for making precise adjustments to the focus, typically after the coarse adjustment
Fine adjustment
Connects the base to the head and is used for carrying the microscope
Arm
Switch on a microscope that turns the light source on//off and adjusts the brightness of the illumination.
Power Switch or Brightness Controll
Bottom support structure of a microscope that provides stability and houses the light source
Base
Used to adjust the position of condenser lens to focus the light onto the specimen
Iris Diaphragm Lever
Lens closest to the specimen that magnifies the image before it is further magnified by the ocular lens
Objective Lens
Rotating turret that holds multiple objective lenses and allows the user to switch between different magnifications.
Revolving Nosepiece
Lens at the top of the microscope that the user looks through to observe the magnified image of the specimen.
Ocular Eyepiece Lens
Clips on the stage of a microscope that hold the slide securely in place during observation.
Stage Clips
Control the horizontal and vertical movement of the microscope stage for precise positioning of the slide
Stage Motion knobs
Flat platform on a microscope where the slide is placed for observation, typically equipped with stage and motion knobs.
Stage
Place the microscope in proper working positing approximately ________ from the edge of the table at a convenient height with the arm facing you.
6 inches (15cm)
When lookin through the microscope you must keep your what open?
both eyes
Do you elevate the top of the condenser?
TRUE or FALSE?
True. so that it flushes with the surface of the stage
Rotate high-dry (40x) objective through oil emersion
True or False?
False. Do not rotate
The distance from the specimen from the objective lens at which the specimen is in focus
Focal Length
How many mm is the focal length for low power objective lens
16 mm
Is when all subject is in focus with one lens and will also be focus with all of the lenses
Parfocal
The Slides Observed
- Staphylococcus aureus
- Escherichia coli
- Bacillius subtilis
- Bacillius cereus
- Pseudomonas aeruginosa
- Mycobacterium tuberculosis
- Klebsiella pneumoniae
- Neisseria gonorrhea
- Streptococcus
- Shigella dysenteriae
Found on the skin and in the nose, often causing skin infections and sometimes more serious conditions like pneumonia or sepsis
staphylococcus aureuss (stafilokokus owrus)
Found in the intestines of humans and animals, with certain strains causing foodborne illnesses and urinary tract infections
escherichia coli (Escherekiya kolay)
Bacterium that can cause food poisoning, often associated with rice and other starchy foods, leading to vomiting and diarrhea
Bacillus cereus (Basilus seryus)
