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