Safety in the Clinical Laboratory Quizzes (25 questions)

In the urinalysis laboratory the primary source in the chain of infection would be:

Patients

Needlesticks

Specimens

Biohazardous waste

The best way to break the chain of infection is:

Handwashing

Personal protective equipment

Aerosol prevention

Decontamination

Standard Precautions differ from Universal Precautions and body substance isolation by requiring:

Wearing face shields and gloves whenever blood may be encountered

Wearing gloves when encountering any moist body fluid

Washing hands after removing gloves if visual contamination is present

Wearing gloves when exposed to moist body fluids and washing hands after glove removal

An employee who is accidentally exposed to a possible blood-borne pathogen should immediately:

Report to a supervisor

Flush the area with water

Clean the area with disinfectant

Receive HIV propylaxis

Personnel in the urinalysis laboratory should wear lab coats that:

Do not have buttons

Are fluid-resistant

Have short sleeves

Have full-length zippers

All of the following should be discarded in biohazardous waste containers except:

Urine specimen containers

Towels used for decontamination

Disposable lab coats

Blood collection tubes

An employer who fails to provide sufficient gloves for the employees may be fined by the:

CDC

NFPA

OSHA

FDA

An acceptable disinfectant for blood and body fluid decontamination is:

Sodium hydroxide

Antimicrobial soap

Hydrogen peroxide

Sodium hypochlorite

Proper handwashing includes all of the following except:

Using warm water

Rubbing to create a lather

Rinsing hands in a downward position

Turning on the water with a paper towel

Centrifuging an uncapped specimen may produce a biological hazard in the form of:

Vectors

Sharps contamination

Aerosols

Specimen contamination

An employee who accidently spills acid on his arm should immediately:

Neutralize the acid with a base

Hold the arm under running water for 15 minutes

Consult the MSDSs

Wrap the arm in gauze and go to the emergency room

When combining acid and water, ensure that:

Acid is added to water

Water is added to acid

They are added simultaneously

Water is slowly added to acid

An employee can learn the carcinogenic potential of potassium chloride by consulting the:

Chemical hygiene plan

Material safety data sheets

OSHA standards

Urinalysis procedure manual

Employees should not work with radioisotopes if they are:

Wearing contact lenses

Allergic to iodine

Sensitive to latex

Pregnant

All of the following are safe to do when removing the source of an electric shock except:

Pulling the person away from the instrument

Turning off the circuit breaker

Using a glass container to move the instrument

Unplugging the instrument

The acronym PASS refers to:

Presence of vital chemicals

Operation of a fire extinguisher

Labeling of hazardous material

Presence of radioactive substances

The system used by firefighters when a fire occurs in the laboratory is:

MSDS

RACE

NFPA

PASS

A class ABC fire extinguisher contains:

Sand

Water

Dry chemicals

Acid

The first thing to do when a fire is discovered is to:

Rescue persons in danger

Activate the alarm system

Close doors to other areas

Extinguish the fire if possible

If a red rash is observed after removing gloves, the employee:

May be washing her hands too often

May have developed a latex allergy

Should apply cortisone cream

Should not rub the hands so vigorously

Pipetting by mouth is:

Acceptable for urine but not serum

Not acceptable without proper training

Acceptable for reagents but not specimens

Not acceptable in the laboratory

The NPFA classification symbol contains information on all of the following except:

Fire hazards

Biohazards

Reactivity

Health hazards

The classification of a fire that can be extinguished with water is:

Class A

Class B

Class C

Class D

Employers are required to provide free immunizaton for:

HIV

HTLV-1

HBV

HCV

A possible physical hazard in the hospital is:

Wearing closed-toed shoes

Not wearing jewelry

Having short hair

Running to answer the telephone

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