Fun Quiz: Test Your General Laboratory Knowledge

#1. Which of the following can cause a falsely decreased WBC count?

Giant platelets

Lyse resistant RBCs like HbS and HbC

Platelet clumps

Fragile WBCs

Nucleated red cells

#2. Class B Fire Extinguishers are designed for use on

Wood and paper fires

Flammable liquid fires

Electrical fires

Reactive metals

#3. All blood and body fluids are considered potentially infected with blood-borne pathogens. What is the name of this precaution?

Droplet precaution

Sexual precaution

Airborne precaution

Universal precaution

Contact precaution

#4. Range of usual values for constituent of clinical interest in a healthy population

Analytical range

Range of means

Standard deviation

Coefficient of variation

Reference range

#5. Most fire extinguishers can be used on

A & B fires

A & C fires

A fires

A, B and C fires

#6. Which of the following is a voluntary accrediting agency?

The Joint COmmission

CDC

DHHS

OSHA

#7. Refers to how close measurements of the same item are to each other

Correlation

Deviation

Accuracy

Precision

Method comparison

#8. What is the formula for calculating Normality?

Molarity / valence

Molality x valence

Molarity x valence

Moles x specific gravity

Weight x volume

#9. Which of the following is not one of the basic techniques for disposal of hazardous materials?

Incineration

Landfill burial

Flushing it down the drain with copious amounts of water

Discard it in the trash bin with regular trash

Recycling

#10. Federal agency that regulates employee safety in the workplace

Occupational Safety and Health Administration (OSHA)

Food and Drug Administration (FDA)

Equal Employment Opportunity Commission (EEOC)

United States Postal System (USPS)

Centers for Disease Control (CDC)

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