NCCT Infection Control and Safety 2

Question 1

What is the minimum concentration of sodium hypochlorite (bleach) recommended for cleaning blood spills?

Accepted Answer

10% (1:10 dilution)

Answer

0.5% (1:100 dilution)

Answer

1.0% (1:50 dilution)

Answer

50% (1:2 dilution)

Question 2

Which type of precautions should be followed when drawing blood from ALL patients regardless of diagnosis?

Accepted Answer

Standard precautions

Answer

Contact precautions

Answer

Droplet precautions

Answer

Airborne precautions

Question 3

After a needlestick injury, what is the immediate first step?

Accepted Answer

Wash the site with soap and water

Answer

Fill out an incident report

Answer

Apply a tourniquet above the wound

Answer

Report to the supervisor

Question 4

Which class of fire extinguisher should be used for an electrical equipment fire in the laboratory?

Accepted Answer

Class C

Answer

Class A

Answer

Class B

Answer

Class D

Question 5

What does the acronym RACE stand for in fire safety?

Accepted Answer

Rescue, Alarm, Contain, Extinguish/Evacuate

Answer

Remove, Alarm, Contain, Extinguish

Answer

Rescue, Activate, Confine, Evacuate

Answer

Remove, Alert, Close, Escape

Question 6

How long should a phlebotomist perform hand hygiene with an alcohol-based hand rub?

Accepted Answer

At least 15-20 seconds until hands are dry

Answer

5 seconds

Answer

Exactly 30 seconds, then rinse

Answer

1 minute with continuous rubbing