Anatomy And Physiology
When transporting a microscope:
ANSWER:
When transporting a microscope:
the 100x objective lens should be closest to the stage
the condenser should be removed and stored in its compartment
use both hands to hold it by the base
the cord should be secured
Lab Manual Unit 4 Post-Lab Quiz Question 3
Part A
https://session.masteringaandp.com/problemAsset/2126487/1/7870004002_u4a1_prelab.jpg The "b" marks the ________.
ANSWER:
https://session.masteringaandp.com/problemAsset/2126487/1/7870004002_u4a1_prelab.jpg The "b" marks the ________.
ocular lens
arm
objective lens
revolving nosepiece
Lab Manual Unit 4 Post-Lab Quiz Question 5
Part A
What part of a microscope anchors the objective lens to the head of the microscope?
ANSWER:
What part of a microscope anchors the objective lens to the head of the microscope?
arm
revolving nosepiece
base
stage
Lab Manual Unit 4 Pre-Lab Quiz Question 2
Part A
https://session.masteringaandp.com/problemAsset/2126332/1/7870004002_u4a1_prelab.jpg Identify the microscope part labeled by the letter "k."
ANSWER:
https://session.masteringaandp.com/problemAsset/2126332/1/7870004002_u4a1_prelab.jpg Identify the microscope part labeled by the letter "k."
substage light
coarse adjustment knob
fine adjustment knob
iris diaphragm lever
Lab Manual Unit 4 Pre-Lab Quiz Question 4
Part A
What part of the microscope moves the slide on the stage?
ANSWER:
What part of the microscope moves the slide on the stage?
aperture
iris diaphragm
fine adjustment knob
mechanical stage control
Lab Manual Unit 4 Pre-Lab Quiz Question 6
Part A
On what part of the microscope are the objectives lenses located?
ANSWER:
On what part of the microscope are the objectives lenses located?
base
rotating nosepiece
stage
body tube
Lab Manual Unit 4 Post-Lab Quiz Question 6
Part A
Which statement best describes what a letter viewed under the microscope would look like.
ANSWER:
Which statement best describes what a letter viewed under the microscope would look like.
same as with the naked eye
upside down, but still left to right
upside down and backwards
sideways and right to left
Lab Manual Unit 4 Post-Lab Quiz Question 8
Part A
What is the total magnification when using the oil immersion objective to view a structure?
ANSWER:
What is the total magnification when using the oil immersion objective to view a structure?
100x
400x
40x
1000x
Lab Manual Unit 4 Post-Lab Quiz Question 10
Part A
As total magnification increases, the working distance ________.
ANSWER:
As total magnification increases, the working distance ________.
increases
decreases
stays the same
is not affected by the total magnification
Lab Manual Unit 4 Pre-Lab Quiz Question 8
Part A
What part of the microscope will allow the maximum amount of light to pass through the slide?
ANSWER:
What part of the microscope will allow the maximum amount of light to pass through the slide?
condenser
fine adjustment knob
iris diaphragm
substage light
Lab Manual Unit 4 Pre-Lab Quiz Question 10
Part A
Convert 4 mm into μm.
ANSWER:
Convert 4 mm into μm.
0.04
400
4000
0.004
Lab Manual Unit 4 Pre-Lab Quiz Question 12
Part A
An object extends halfway across the field of view. The field diameter for the oil immersion objective is 0.2 mm. Estimate the size of the object in micrometers.
ANSWER:
An object extends halfway across the field of view. The field diameter for the oil immersion objective is 0.2 mm. Estimate the size of the object in micrometers.
100 μm
0.01 μm
10 μm
0.1 μm
Lab Manual Unit 4 Post-Lab Quiz Question 11
Part A
Convert 245 μm into mm.
ANSWER:
Convert 245 μm into mm.
0.0245 mm
245,000 mm
0.245 mm
2.45 mm
Lab Manual Unit 4 Post-Lab Quiz Question 13
Part A
The field diameter for the low-powered objective is ________ the field diameter for the scanning objective lens.
ANSWER:
The field diameter for the low-powered objective is ________ the field diameter for the scanning objective lens.
greater than
equal to
less than
Lab Manual Unit 4 Post-Lab Quiz Question 15
Part A
The field diameter for the 4x objective on a specific microscope is 4.0 mm. What will the field diameter be for the 10x objective?
ANSWER:
The field diameter for the 4x objective on a specific microscope is 4.0 mm. What will the field diameter be for the 10x objective?
1.6 mm
10 mm
2 mm
40 mm
Lab Manual Unit 4 Post-Lab Quiz Question 17
Part A
What is the depth of field?
ANSWER:
What is the depth of field?
the thickness of the specimen that is in sharp focus
how easily focused the specimen is between two different magnifications
the length of the specimen when viewed with the scanning objective lens
how wide the view is through the lens
Lab Manual Unit 4 Pre-Lab Quiz Question 14
Part A
What is depth of field?
ANSWER:
What is depth of field?
another term for field diameter
distance between the slide and the objective lens
distance between the ocular and objective lenses
thickness of a specimen when in focus
Lab Manual Unit 4 Pre-Lab Quiz Question 16
Part A
When transporting the microscope one hand should support the ________ and the other should support the ________.
ANSWER:
When transporting the microscope one hand should support the ________ and the other should support the ________.
head; base
condenser; stage
stage; arm
arm; base
Lab Manual Unit 4 Post-Lab Quiz Question 18
Part A
If you decrease the total magnification, the depth of the field ________.
ANSWER:
If you decrease the total magnification, the depth of the field ________.
stay the same
decreases
increases
Lab Manual Unit 4 Post-Lab Quiz Question 19
Part A
You should use lens paper and ________ to the clean the lenses.
ANSWER:
You should use lens paper and ________ to the clean the lenses.
disinfectant
water
lens cleaner
oil
Lab Manual Unit 4 Post-Lab Quiz Question 20
Part A
You should allow the microscope to cool before storing it because:
ANSWER:
You should allow the microscope to cool before storing it because:
It will prevent the motor from burning out.
It is easier to clean when cool.
It will extend the life of the expensive bulb.
Its motor and light are warm and a student could get injured.