1. Edna wants to focus an animal cell specimen. Which objective will she click first
to focus?
A. High power objective (40-60X)
C. oil immersion (100 X)
B. Low power objective (10 X)
D. scanner (4X)
2. What can be found under the stage that needs to be checked if you will focus the
specimen being observed?
A. Arm
B. Base
C. Diaphragm
D, Mirror
3. Why should you LOOK under the stage?
A. To check the diaphragm
B. To adjust the diaphragm
c. To make sure that there is enough light passing through the stage
D. All of the above
4. What should the student move down so that the eyepiece and the objectives will
be closer to the specimen on the slide?
A. Arm
B. Base
C. Body tube
D. Stage
5. What knob should you roll in order to slightly move the body tube and focus the
specimen being observed under high power objective (HPO)?
A. Arm
C. Coarse adjustment knob
B. Body tube
D. Fine adjustment knob
6. Justin needs to raise the stage to focus the specimen he is studying using the low
power objective. Which part should he manipulate?
A. Coarse focus
C. Objective lens
B, Fine focus
D. Revolving nosepiece
7. Which of the following should be used in obtaining a sharp image in observing
specimen under the high power objective?
A. Coarse focus
C. Objective lens
B. Fine focus
D. Revolving nosepiece​