Lab. procedures

The instrument specifically used for collecting a fecal sample directly from the animal's rectum is a:

• fecal extractor

• fecal spoon

• fecal loop

• fecal scoop

fecal loop

In regard to the care and maintenance of a compound microscope, it is important to use lens cleaners, like xylene and methanol, sparingly for all of the following reasons, except: 

• Xylene is carcinogenic 

• Lens cleaners are solvents, which may loosen the adhesive that holds the lens in place

• Many lens cleaners are flammable and toxic

• These chemicals are costly

these chemicals are costly

Which blood chemistry unit uses test cartridges, can be held in the palm of your hand, and will run blood gases among other tests?

• VetScan

• Reflovet

• Lasercyte

• I-stat

I- stat

Which of the following would not be an acceptable action if a control value is out of range?

• Ignore the result, it is a simple outlier

• Call the technicial representative from the company

• Repeat the test using the same reagent

• Repeat the test using a new reagent 

Ignore the result, it is a simple outlier

A box of reagents for blood chemistry analysis labeled for storage at 8 degrees C can be safely stored:

• freezer

• at room temp

• refridgerator

• incubator

refridgerator

A Wood's lamp is used to examine for the presence of:

• demodex

• scabies

• ringworm

• pinworm

ringworm

Veterinary reference ranges for blood chemistry values:

• Are generally established by each individual veterinary clinic

• Include values from both diseased and normal animals 

• Often come with an analyzer and have been established by the company 

• Are helpful to refer to but are not necessary

• Often come with an analyzer and have been established by the company 

Calibration standards for chemistry analyzers are:

• not used anymore

• used in the same way as a control sera

• probably used in the manufacturer

• used routinely at the clinic

probably used in the manufacturer

The counting device used to do quantitative counts of parasite eggs is the:

• Micrometer

• TS meter

• McMaster chamber

• Fecalyzer

• McMaster chamber

The best way to decrease light intensity in a microscope other than to turn the light source down is to:

• Open the diaphragm

• change the ocular

• move the condenser down

• move to a lower lens oower

move the condenser down

Blood tubes should be counterbalanced and centrifuged for ____minutes at _____rpm.

• 2; 1000

• 5; 1000

• 10, 2000

• 15, 2000

10; 2000

The refractometer is used to determine which value?

• Hematocrit

• Total protein

• Hemoglobin

• Erythrocyte count 

total protein

The temperature of a bacterial incubator would most likely be:

• 4 degrees C

• 25 degrees C

• 37 degrees C

• 56 degrees C

37 degrees C

The temperature that must be reached in an autoclave to destroy microorganisms is:

• 110 degrees C

• 121 degrees C

• 170 degrees C

• 240 degrees C

121 degrees C

A 95% sensitivity in reference to a serology test kit refers to:

• Effects of other influences on test results

• Ability of test to identify diseased patient's serum properly

• Ability of test kit to give accurate results if stored properly

• How easily a test can be run 

Ability of test to identify diseased patient's serum properly