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Instructions: For each histology question, pick the one best answer. This histology test bank is also useful for the histology questions on the USMLE (USMLE step 1). Click here for detailed answers and explanations.
 1.
When using a compound microscope, what is the magnification of the oil immersion lens?
a. 4X
b. 10X
c. 40X
d. 100X
e. 1000X
2.
What is the usual magnification of the ocular lens on a compound microscope?
a. 1X
b. 10X
c. 100X
d. 1000X
e. 10,000 X
3.
When using oil immersion to view a tissue, what is the refractive index of the oil?
a. Zero
b. Same as air
c. Same as glass
d. Same as water
e. None of the above
4.
What is the role of the condenser lens?
a. Control the aperture of light
b. Increase the magnification
c. Focus the light on the specimen
d. Initial magnification of 10X
e. Provide light
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5.
On a microscope, what structure varies the diameter of the cone of light?
a. Base
b. Nosepiece
c. Stage
d. Tube
e. Diaphragm |
6.
Where do you place the slide when using a microscope?
a. Base
b. Nosepiece
c. Stage
d. Tube
e. Diaphragm
7.
What is the bottom of a microscope called?
a. Base
b. Nosepiece
c. Stage
d. Tube
e. Diaphragm
8.
What is another name for the bright field microscope?
a. Simple microscope
b. Compound microscope
c. Phase contrast microscope
d. Dissection microscope
e. Transmission electron microscope
 9.
Which microscope would be particularly useful for looking at living cells?
a. Simple microscope
b. Compound microscope
c. Phase contrast microscope
d. Dissection microscope
e. Transmission electron microscope
10.
Which type of microscope has only one lens?
a. Simple microscope
b. Compound microscope
c. Phase contrast microscope
d. Dissection microscope
e. Transmission electron microscope
Click here for detailed answers and explanations.
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