Test Bank For
Burtons
Microbiology for
the Health
Sciences, 9th
Edition Paul G
Engelkirk, Janet
Duben
, A millimeter is equivalent to how many
1.
nanometers?
A) 1,000
B) 10,000
C) 100,000
D) 1,000,000
Assume that a pinhead is 1 mm in diameter.
How many spherical bacteria (cocci), lined up
2.
side-by-side, would fit across the pinhead.
(Hint: Use information from Table 2-1.)
A) 100
B) 1,000
C) 10,000
D) 100,000
What is the length of an average rod-shaped
3.
bacterium (bacillus)?
A) 3 µm
B) 3 nm
C) 0.3 mm
D) 0.03 mm
What is the total magnification when using
the high-power (high-dry) objective of a
4.
compound light microscope equipped with a
× 10 ocular lens?
A) 40
B) 50
C) 100
D) 400
How many times better is the resolution of the
5. transmission electron microscope than the
resolution of the unaided human eye?
A) 1,000
B) 10,000
C) 100,000
D) 1,000,000
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