micro 290 lab midterm Question and answers correctly solved
2025
1. what does PPE mean? personal protective equipment
2. what does PPE include? includes but is not limited to lab coats, chemical aprons (if
needed), and
face masks
3. what are the many millimeters long does it appear
general most un- der the oil immersion lens?
important safety
habits when 7. staphylococcus aureus
working in lab?
4. what is type of
micro- scope did
you observe in the
video?
5. what is the
magnifica- tion
power of the com-
pound microscope
at 40X objective and
100X objective lens
power?
6. if a bacterium is 2
micrometers long,
how many
millimeters long
does it appear
under the 40X
objective lens? how
1/
16
,micro 290 lab midterm Question and answers correctly solved
2025
do not touch face & mouth, disinfect
your workplace (with 70% alcohol),
wash hands frequently even when
wearing gloves
compound binocular light
microscope
the total magnification power of
the compound microscope at 40X
is 400X and the total
magnification power of the
compound microscope at 100X is
1000X
the bacterium is 0.8mm long under
40X objective lens and 2mm long
under the oil immersion lens (show
work on this question)
-2micro x 400 = 800 micro
(0.8mm)
-2 micro x 1000 = 2000 micro
(2mm)
2/
16
, micro 290 lab midterm Question and answers correctly solved
2025
8. bacillus cereus commonly used tool for bacterial
inoculation?
9. spirillum volutans
10. saccharomyces
cerevisi- ae
11. what is the meaning
of aseptic
technique?
12. what does the
word in- oculation
mean?
13. what does the
word in- oculum
mean?
14. what is the
3/
16
2025
1. what does PPE mean? personal protective equipment
2. what does PPE include? includes but is not limited to lab coats, chemical aprons (if
needed), and
face masks
3. what are the many millimeters long does it appear
general most un- der the oil immersion lens?
important safety
habits when 7. staphylococcus aureus
working in lab?
4. what is type of
micro- scope did
you observe in the
video?
5. what is the
magnifica- tion
power of the com-
pound microscope
at 40X objective and
100X objective lens
power?
6. if a bacterium is 2
micrometers long,
how many
millimeters long
does it appear
under the 40X
objective lens? how
1/
16
,micro 290 lab midterm Question and answers correctly solved
2025
do not touch face & mouth, disinfect
your workplace (with 70% alcohol),
wash hands frequently even when
wearing gloves
compound binocular light
microscope
the total magnification power of
the compound microscope at 40X
is 400X and the total
magnification power of the
compound microscope at 100X is
1000X
the bacterium is 0.8mm long under
40X objective lens and 2mm long
under the oil immersion lens (show
work on this question)
-2micro x 400 = 800 micro
(0.8mm)
-2 micro x 1000 = 2000 micro
(2mm)
2/
16
, micro 290 lab midterm Question and answers correctly solved
2025
8. bacillus cereus commonly used tool for bacterial
inoculation?
9. spirillum volutans
10. saccharomyces
cerevisi- ae
11. what is the meaning
of aseptic
technique?
12. what does the
word in- oculation
mean?
13. what does the
word in- oculum
mean?
14. what is the
3/
16
