Lesson 4 - General Laboratory Equipment Pt.1

Question 1

The slide and coverslip are placed on what part of the microscope?

Select one:
a. Stage
b. Light source
c. Condenser
d. Base

Answer 1

a. Stage

Question 2

When using the 10X objective with a standard ocular, what is the total magnification of the specimen?

Select one:
a. 100 times
b. 1000 times
c. 400 times
d. 10 times

Answer 2

a. 100 times

Question 3

What part of a microscope controls the amount of light passing through the specimen?

Select one:
a. Condenser
b. Diaphragm
c. Light source
d. Stage

Answer 3

b. Diaphragm

Question 4

The primary magnification component of a microscope that comes in low and high power is the __________.

Select one:
a. Condenser
b. Objective
c. Ocular
d. Diaphragm

Answer 4

b. Objective

Question 5

The volumetric glassware designed To Contain a certain volume of liquid is the __________.

Select one:
a. Flask
b. Volumetric pipette
c. Graduated cylinder
d. Beaker

Answer 5

a. Flask

Question 6

A meniscus is the __________.

Select one:
a. Crescent shape of a fluid in a cylinder
b. Volume of a fluid in a cylinder
c. Thickness of a fluid in a cylinder
d. Transparency of a fluid in a cylinder

Answer 6

a. Crescent shape of a fluid in a cylinder

Question 7

Type I water used in the laboratory to reconstitute control samples is called __________.

Select one:
a. Control grade
b. Chemical grade
c. Reagent grade
d. Laboratory grade

Answer 7

c. Reagent grade

Question 8

What is the term for a substance used to produce a chemical reaction in laboratory testing?

Select one:
a. Standard
b. Control
c. Chemical
d. Reagent

Answer 8

d. Reagent

Question 9

After centrifugation of a blood collection tube, the serum is called the __________.

Select one:
a. Precipitant
b. Supernatant
c. Decant
d. Separator

Answer 9

b. Supernatant

Question 10

Which of the following is true about the use of a centrifuge?

Select one:
a. It must be balanced
b. Maintenance is not required
c. Blood tubes must be uncapped
d. It must run no faster than 2,000 RPMs

Answer 10

a. It must be balanced