Chapter 2 - Metric Measurement and Microscopy
What is inversion?
a microscopic image is upside down and reversed
If threads are layered from top to bottom, brown, green red, which layer will come into focus first if your are using the microscope properly?
brown
If you use the coarse-adjustment knob to focus on an object with the high-power objective, what problems will you encounter?
could damage the slide
If the amount of light passing through the condenser needs to be decreased, what microscope part should be adjusted?
diaphragn
What is the name for the lenses located near the eye?
eye pieces
If a slide is being viewed with the high-power objective, which adjustment knob should be used to sharpen focus?
fine adjustment knob
If the total magnification of a slide is 400x and ocular lenses are 10x , what is the magnifying power of the objective being used?
high (40x)
To properly measure 20 ml of water, what must be at the 20 ml mark of the graduated cylinder?
meniscus
What would describes a microscope that remains in focus when the objective lenses are changed?
parafocal
Which objective should be in place when the microscope is put away?
scanning
What kind of microscope would used to study opaque objects?
scanning microscope
Which two types of microscopes view objects that have been sliced and treated to improve contrast?
transmission and compound (we use a compound microscope) (the 3 are - transmission electron, compound and scanning)
What is the strongest microscope?
transmission electron microscope
Which type of microscope should be used to view a virus that is 50 mm in size?
transmission electron microscope
Convert 3.41 to ml
3410 ml
Convert 880 mm to m
.880 m
Convert 19 mm to cm
1.9 cm
Convert 2,700 mg to grams
27 g