CLT Safety & Infection Control 2

Question 1

Which class of fire extinguisher is appropriate for electrical equipment fires in the laboratory?

Accepted Answer

Class C

Answer

Class C extinguishers are rated for electrical fires and use non-conductive agents that will not cause electrocution.

Question 2

Under standard precautions, which body fluid does NOT require the same level of protection as blood?

Accepted Answer

Sweat

Answer

Sweat is not considered infectious under standard precautions and does not require the same PPE as blood or other body fluids.

Question 3

A laboratory worker is exposed to a potentially infectious aerosol. What is the FIRST action to take?

Accepted Answer

Remove contaminated clothing and wash affected areas

Answer

Immediate decontamination by removing contaminated clothing and washing affected skin or mucous membranes is the first priority after exposure.

Question 4

Which biosafety level (BSL) is required for work with agents that pose a high risk of life-threatening disease and for which no vaccine or therapy is available?

Accepted Answer

BSL-4

Answer

BSL-4 is the most stringent level and is required for dangerous exotic agents such as Ebola and Marburg viruses that pose a high risk of aerosol-transmitted infections.

Question 5

Which disinfectant concentration of sodium hypochlorite (bleach) is typically recommended for decontaminating laboratory bench surfaces after a blood spill?

Accepted Answer

0.5% (1:10)

Answer

A 0.5% (1:10 dilution of household bleach) sodium hypochlorite solution is the standard recommendation for decontaminating surfaces after blood spills.

(CLT) Clinical Laboratory Technologist Certification Practice Test

(CLT) Clinical Laboratory Technologist Certification Practice Test

CLT Safety & Infection Control 2