Question 1

Universal standard precautions written by OSHA are designed to:&#10;A) Prevent acid spills.&#10;B) Identify the appropriate fire extinguisher to use in a fire.&#10;C) Protect employees from possible infectious contamination.&#10;D) Describe equipment decontamination procedure.

Accepted Answer

Universal standard precautions are specifically designed to prevent the spread of infectious diseases in workplaces. They outline safety procedures to be followed by employees to protect themselves from possible contamination.

Question 2

What is the best substance to use for cleaning oil from microscope objectives?&#10;A) Acetone&#10;B) Alcohol-based products&#10;C) Water&#10;D) Xylene

Accepted Answer

Alcohol-based products

Question 3

Which of the following is true regarding acceptable fire safety?&#10;A) Verbal safety instructions must be provided to new employees within 6 months of employment.&#10;B) A written fire protection and response plan must be in place and tested quarterly.&#10;C) Tests of fire detection equipment should be conducted yearly.&#10;D) A fire extinguisher must be located near the laboratory.

Accepted Answer

A written fire protection and response plan must be in place and tested regularly to ensure preparedness and compliance with safety regulations.

Question 4

What is the best source of information regarding the nature of a chemical and its hazards?&#10;A) Coworker&#10;B) Label on bottle&#10;C) Material safety data sheet (MSDS)&#10;D) Supervisor

Accepted Answer

Material safety data sheets (MSDS) provide detailed information on the nature of a chemical, its potential hazards, and information on how to handle and dispose of the chemical safely. It is the best source of information regarding the safe handling and usage of a chemical. Coworkers and supervisors may have some knowledge, but may not have all the necessary details regarding the chemical and its hazards. The label on the bottle may also provide basic information, but it may not be sufficient for safe handling and usage.

Question 5

Safety training must be provided and documented at the time of initial assignment and how often thereafter?&#10;A) Monthly&#10;B) Every 6 months&#10;C) Yearly&#10;D) Every 5 years

Accepted Answer

Safety training must be provided and documented annually, as stated in OSHA regulations.

Question 6

Which of following requires wearing a face shield or eye goggles?&#10;A) Drawing blood&#10;B) Transporting specimens&#10;C) Loading samples on a cap-piercing cell counter&#10;D) Cleaning up an acetic acid spill

Accepted Answer

Cleaning up an acetic acid spill requires wearing a face shield or eye goggles to protect against splashes and fumes.

Question 7

Which laboratory specimens must be treated with standard (universal) precautions?&#10;A) Only those labeled with a biohazard sticker&#10;B) Only those from patients known to have human immunodeficiency virus (HIV) or hepatitis&#10;C) All human blood and body fluids&#10;D) All specimens submitted for bacterial culture

Accepted Answer

All human blood and body fluids should be treated with standard (universal) precautions, regardless of the patient's known disease status or the type of specimen being collected. This includes specimens such as urine, cerebrospinal fluid, and stool, in addition to blood specimens.

Question 8

A 10% solution of household bleach is used to clean contaminated surfaces in the clinical laboratory. This 10% solution should be prepared:&#10;A) Daily&#10;B) Weekly&#10;C) Every 2 weeks&#10;D) Monthly

Accepted Answer

Household bleach solutions lose their potency over time due to factors such as exposure to light, air and heat, and therefore should be prepared fresh daily to ensure their effectiveness in killing microorganisms.

Question 9

Who is responsible for laboratory employee safety?&#10;A) Occupational Safety and Health Administration (OSHA)&#10;B) Employer&#10;C) Employee&#10;D) All of the above

Accepted Answer

All of the above parties are responsible for laboratory employee safety. OSHA sets regulations and provides guidelines for workplace safety, but it is the employer's responsibility to implement these guidelines and provide a safe working environment for their employees. However, it is also the responsibility of each individual employee to follow proper safety protocols and report any hazards or accidents in the laboratory.

Question 10

What is the first and most important thing to do before repairing electrical laboratory equipment?&#10;A) Unplug it.&#10;B) Have the repair manual available.&#10;C) Call customer service.&#10;D) Consult with the supervisor.

Accepted Answer

The first and most important thing to do before repairing electrical laboratory equipment is to unplug it. This ensures that there is no risk of electric shock or other accidents while working on the equipment.

Question 11

Where must fluid-resistant laboratory coats be worn?&#10;A) Walking to a patient room to collect a sample&#10;B) Cafeteria&#10;C) Restroom&#10;D) Home

Accepted Answer

The answer of Where must fluid-resistant laboratory coats be worn?&#10;A)...

Question 12

Which of the following is acceptable safe practice?&#10;A) Making 1:10 dilution of bleach weekly&#10;B) Conducting a yearly test of fire detection equipment&#10;C) Resheathing used venipuncture needle before disposal&#10;D) Disposing of used glass slides in sharps container

Accepted Answer

The answer of Which of the following is acceptable safe...

Question 13

Which of the following procedures is safe from the production of an aerosol mist?&#10;A) Removing caps from specimen tubes&#10;B) Manual differentials on blood films&#10;C) Filling hemocytometers&#10;D) Centrifuging uncapped specimens

Accepted Answer

The answer of Which of the following procedures is safe...

Question 14

Personal protective clothing, which must be provided by the employer, includes:&#10;A) Contact eye lenses when needed&#10;B) Clean laboratory coat to wear when in public areas&#10;C) Gloves&#10;D) Closed-toe shoes

Accepted Answer

The answer of Personal protective clothing, which must be provided...

Deck 2: Safety in the Hematology Laboratory