MICROBIOLOGY QUIZ The Use and Care of the Microscope

Question 1

Used to study and enlarged and well defined images of object that are too small to be observed by the naked eyes.

Answer 1

Microscope

Question 2

Large knob on a microscope used for making large adjustments to the focus by moving the stage up or down

Answer 2

Coarse adjustment

Question 3

Smaller knob on a microscope used for making precise adjustments to the focus, typically after the coarse adjustment

Answer 3

Fine adjustment

Question 4

Connects the base to the head and is used for carrying the microscope

Answer 4

Arm

Question 5

Switch on a microscope that turns the light source on//off and adjusts the brightness of the illumination.

Answer 5

Power Switch or Brightness Controll

Question 6

Bottom support structure of a microscope that provides stability and houses the light source

Answer 6

Base

Question 7

Used to adjust the position of condenser lens to focus the light onto the specimen

Answer 7

Iris Diaphragm Lever

Question 8

Lens closest to the specimen that magnifies the image before it is further magnified by the ocular lens

Answer 8

Objective Lens

Question 9

Rotating turret that holds multiple objective lenses and allows the user to switch between different magnifications.

Answer 9

Revolving Nosepiece

Question 10

Lens at the top of the microscope that the user looks through to observe the magnified image of the specimen.

Answer 10

Ocular Eyepiece Lens

Question 11

Clips on the stage of a microscope that hold the slide securely in place during observation.

Answer 11

Stage Clips

Question 12

Control the horizontal and vertical movement of the microscope stage for precise positioning of the slide

Answer 12

Stage Motion knobs

Question 13

Flat platform on a microscope where the slide is placed for observation, typically equipped with stage and motion knobs.

Answer 13

Stage

Question 14

Place the microscope in proper working positing approximately ________ from the edge of the table at a convenient height with the arm facing you.

Answer 14

6 inches (15cm)

Question 15

When lookin through the microscope you must keep your what open?

Answer 15

both eyes

Question 16

Do you elevate the top of the condenser?

TRUE or FALSE?

Answer 16

True. so that it flushes with the surface of the stage

Question 17

Rotate high-dry (40x) objective through oil emersion

True or False?

Answer 17

False. Do not rotate

Question 18

The distance from the specimen from the objective lens at which the specimen is in focus

Answer 18

Focal Length

Question 19

How many mm is the focal length for low power objective lens

Answer 19

16 mm

Question 20

Is when all subject is in focus with one lens and will also be focus with all of the lenses

Answer 20

Parfocal

Question 21

The Slides Observed

Answer 21

1. Staphylococcus aureus
2. Escherichia coli
3. Bacillius subtilis
4. Bacillius cereus
5. Pseudomonas aeruginosa
6. Mycobacterium tuberculosis
7. Klebsiella pneumoniae
8. Neisseria gonorrhea
9. Streptococcus
10. Shigella dysenteriae

Question 22

Found on the skin and in the nose, often causing skin infections and sometimes more serious conditions like pneumonia or sepsis

Answer 22

staphylococcus aureuss (stafilokokus owrus)

Question 23

Found in the intestines of humans and animals, with certain strains causing foodborne illnesses and urinary tract infections

Answer 23

escherichia coli (Escherekiya kolay)

Question 24

Bacterium that can cause food poisoning, often associated with rice and other starchy foods, leading to vomiting and diarrhea

Answer 24

Bacillus cereus (Basilus seryus)

Question 25

Bacterium that can cause infections in the lungs and blood, particularly in people with weakened immune systems.

Answer 25

Pseudomonas aeruginosa (Sudomonas eruginosa)

Question 26

Bacterium that can cause pneumonia and urinary tract infections, particularly in hospitalized or immunocompromised individuals.

Answer 26

Klebsiella pneumoniae (Klebsileyya niomoniyei)

Question 27

Bacterium that causes gonorrhea, a common sexually transmitted infection that can lead to serious reproductive health issues.

Answer 27

Neisseria gonorrhoeae ( Nayserya gonore-e)

Question 28

Genus of bacteria that includes strep throat and skin infections to severe diseases like pneumonia and meningitis.

Answer 28

Streptococcus (Steptokokus)

Question 29

Bacterium that causes dysentery, characterized by severe diarrhea with blood, linked to poor sanitation & contaminated food/water.

Answer 29

Shigella dysenteriae (Shagella disinteryay)