LABORATORY SAFETY (IMSE)
UPDATED ACTUAL Exam Questions and
CORRECT Answers
CHAIN OF INFECTION - CORRECT ANSWER- ✔✔•INFECTIOUS AGENTS
•RESERVOIR
•PORTAL OF EXIT
•MODE OF TRANSMISSION
•PORTAL OF ENTRY
•SUSCEPTIBLE HOST
Biologic Hazards - CORRECT ANSWER- ✔✔Proper hand hygiene, correct disposal of
contaminated
materials, and wearing personal protective equipment (PPE) are of major importance in the
laboratory.
Handwashing procedures - CORRECT ANSWER- ✔✔1. Stand in front of the sink. Do not
lean on the sink with clothes.
2. Use paper towel to cover the water control and turn on the water.
3. Wet hands thoroughly. Allow the water to flow from arms to
fingertips.
4. Apply soap to hands.
5. Wash the palm, back, and wrist of each hand using strong, frictional,
circular movements.
6. Interlace fingers and thumbs and move hands back and forth for ten
seconds.
7. Rub nails against the palm
8. Rinse hands thoroughly
9. Dry hands well
10. Use paper towel to turn the water off.
, SOILED GLOVE REMOVAL - CORRECT ANSWER- ✔✔1. pinch and hold the outside of
the glove near the wrist area
2. peel downwards, away from the wrist, turning the glove inside out
3. pull the glove away until it is removed from the hand, holding the inside out glove with the
gloved hand
4. with your ungloved hand, slide your finger under the wrist of the remaining glove. DO
NOT TOUCH the outer surface of the glove
5. peel downwards, away from the wrist, turning the glove inside out
6. continue to pull the glove down and over the inside out glove being held in your gloved
hand
STANDARD PRECAUTIONS - CORRECT ANSWER- ✔✔• Hand hygiene includes both
hands washing and the use
of alcohol-based antiseptic cleansers.
• Personal protective equipment
• Patient care equipment
• Environmental control
• Prevent injuries when using needles, scalpels, and other
sharp instruments or devices.
• Respiratory hygiene/cough etiquette
ENGINEERING CONTROLS - CORRECT ANSWER- ✔✔• Providing sharps disposal
containers and needles with
safety devices.
• Requiring discarding of needles with the safety device
activated and the holder attached.
• Labeling all biohazardous materials and containers.
WORK PRACTICE CONTROLS - CORRECT ANSWER- ✔✔• Requiring all employees to
practice Standard
Precautions and documenting training on an annual
basis.
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