Sterilized articles are considered sterile for
Infection Control Quiz
Test your knowledge on infection control, sterilization techniques, and laboratory safety with this comprehensive quiz. Designed for healthcare professionals and students, it covers essential topics to ensure you understand safe practices in clinical environments.
Take the quiz to learn about:
- Proper use of disinfectants
- Understanding biosafety cabinets
- Protocols for handling infectious materials
- Hazardous materials management
Sterilized articles are considered sterile for
A.One week
B.Two weeks
C.Three weeks
D.Four weeks
Sterilized articles are considered sterile for
A.One week
B.Two weeks
C.Three weeks
D.Four weeks
An antiseptic is commonly used for
A.lab workbenches and office desks
B.On surgical instruments
C.To remove gross contamination, such as blood, from instruments
D.None of the above
The medical lab assistant should not start the autoclave timer until
A.The desired temperature and pressure are reachedThe sterilization indicator changes color
B.Steam enters the inner sterilizing chamber
C.The sterilization indicator changes color
D.a and b
When an accident produces a large potentially infectious aerosol, which of the following should be put into effect?
A.Everyone should remain motionless until the danger subsides
B.Everyone should immediately leave the room before any action is undertaken to contain the hazard
C.Disinfectant should be applied to appropriate areas immediately
D.Immediately telephone the Center for Disease Control
A patient with a highly contagious lung infection would be hospitalized in
A.Reverse isolation
B.Protective isolation
C.Respiratory isolation
D.Strict isolation
Disposable gloves protect against
A.Needle punctures
B.Cuts from a microtome knife
C.Contamination of hands with body fluids
D.All of the above
Identify the false statement regarding a centrifuge
A.The brake is only used in an emergency
B.The centrifuge should come to a complete stop before it is opened
C.Tubes are balanced according to size only, with no regard to volume of fluid
D.If tube breakage occurs, the centrifuge should be stopped so clean-up can be started
TVL-S.T.E.L is
A.Dose of substance given to test animals that kills half of them
B.Concentration in air that kills half of test animals exposed to it
C.Concentration of substance a worker can be exposed to for 8 hours a day 40
D.Concentration of substance a worker can be exposed to for a short time without effect
Which is a worker duty under WHMIS?
A.Participation in worker training programs
B.Location, and how to read and interpret SDS
C.Knowledge of information required on Supplier Labels and Workplace Labels
D.a and b and c
E.Only a an b
A Class II Biological Safety Cabinet
A.Is the most common type used in clinical laboratories
B.Protects the worker from inhaling aerosols
C.Protects the specimen from airborne contamination
D.only a and b
E. A and b and c
LC50 is
A.Concentration of substance a worker can be exposed to for a short time without effect
B.Concentration of substance a worker can be exposed to for 8 hours a day 40 hours a week without adverse effect
C.Concentration in air that kills half of test animals exposed to it
D.Dose of substance given to test animals that kills half of them
SDS stands for
A.Safety Data System
B.Safety Data Sheet
C.Safe Data Standards
D.Safety Data Search
The following are examples of physical hazards
A.Fire
B.Acids
C.Gas cylinder
D.a and c
E.all of the above
Which of the following disinfectants should not be used on metal surfaces?
A.gluteraldehyde
B.hypochlorite
C.Spricidin
D.All of the above
What solution is used to clean up a biohazardous spill on a benchtop?
A.10% Hypochlorite
B.70% alcohol
C.Soap and Water
D.All of the above
To prevent the spread of infection the phlebotomist should
A.Use double gloves
B.Wash hands between patients
C.Consult the nursing supervisor as to which patients are infectious
D.All of the above
What solution is used to rinse the skin if it has been exposed to a concentrated acid?
A.Dilute NaOH (Sodium hydroxide)
B.Dilute NaHCO3 (Sodium Bicarbonate)
C.H2O (Water)
D.All of the above
The most common temperature and pressure used for autoclaving is
A.160ºC (320ºF) at 20 psi
B.100ºC (212ºF) at 15 psi
C.121ºC (250ºF) at 15 psi
D.121ºF (250ºC) at 15 psi
Aerosols containing infectious material may be produced by
A.Centrifuges
B.Removing rubber stoppers from blood containing tubes
C.Shaking the sharps container
D.All of the above
Which is not a biohazard?
A.Sputum
B.Strong Acid
C.Blood from healthy patients
D.Blood from HIV positive patients
E.all of the above
A sterile article is
A.Free from all spores
B.Free from all bacteria
C.Free from all microorganisms
D.a and b
E.a, b and c
A microorganism that produces disease is called a\an
A.Pathogen
B.Saprophyte
C.Autotroph
D. Bloodborne
When diluting acids, or bases with water
A.Mix in equal quantities
B.water to the acid, or base
C.Add the acid, or base to water
D.it depends to the type of acid or base
Large volumes of acid, or base should be stored
A.On high shelves, so they are out of reach
B.On floor level
C.In a fume hood
D.both b and c
A person who cannot fight off infectious disease is called a
A.Resistant host
B.Vehicle
C.Means of entrance
D.Susceptible host
What is the unseen danger when opening up a tube of blood?
A.Aerosols
B.Toxic fumes
C.Chemical fumes
D.a and c
What concentration of sodium hypochlorite is recommended for spill control
A.1 in 10 dilution
B.1 in 100 dilution
C.5.25% dilution
D.all of the above
The procedure that remove specific types of microogranism but not all spores is called
A.sterilization
B.confinement
C.Disinfection
D.Incineration
Which statement is contained in the Toxicological Properties area if an SDS?
A.Incompatible with most metals
B.Carcinogenicity: none
C.Inorganic Acid
D.Specific Gravity: 1.16
Which factor would determine the degree of exposure to radiation?
A.Distance from radiation sourceType of radioactive material used
B.Length of exposure time
C.Amount of shielding used
D.Type of radioactive material used
E.only a, b and c
All of the above
In the event of fire
A.Call 911 first
B.Alert others first
C.Confine the fire first
D.Pull the nearest fire alarm first
According to CSMLS guidelines blood and body fluid exposures need to be reported:
A.As soon as possible
B.within 24 hours
C.within first day of exposure
D.it is not time-sensitive
An SDS is valid
A.For 3 years
B.Until new information becomes available
C.For 1 year
D.For 2 years
The recommended concentration for alcohol as a disinfectant is
A.70% ethyl alcohol
B.70% isopropyl alcohol
C.90 percent alcohol
D.boath a and b
Which one of the following microorganisms is not a blood-borne microorganism
A.HBV
B.HCV
C.HAV
D.HDV
When handling acids
A.an acid carrier should be used
B.should be stored below eye level
C.should be stored in labeled containers
D.all of the above
E.only a and c
According to WHMIS Work place label is the responsibility of the
A.Supplier
B.Employer
C.Manufacturer
D.both a and c
Examples of class B fires are
A.grease, and liquid chemicals
B.wood, paper, clothing, and trash
C.electrical fires
D.None of the above
The most commonly used “disinfectant” in the clinical laboratories is
A.Iodine
B.sodium hypochlorite 5.25%
C.Alcohol
D.All of the above
The most common route of entry for hazards for laboratory workers is:
A.Digestion
B.Ingestion
C.Skin contact
D.Inhalation
PH 7.4 is considered as
A.acidic
B.basic
C.neutral
D.none of the above
Which one of the followings are not considered as biomedical wastes
A.human anatomical waste
B.animal anatomical waste
C.Biological fluids
D.radioactive waste
A centrifuge with broken tubes inside shouldn’t be opened for:
A.20 minutes
B.10 minutes
C.30 minutes
D.60 minutes
Category B UN number is
A.1845
B.1485
C.3373
D.2814
Which one of the following are not assigned a UN number?
INFECTIOUS SUBSTANCE, AFFECTING HUMANS
BIOLOGICAL SUBSTANCE are not found on the Indicative List of Category A
INFECTIOUS SUBSTANCE, AFFECTING ANIMALS only
EXEMPT PATIENT SPECIMENS (human or animal)
Under class 6.2 if the substance is known as "not" to contain infections substances
A.It is not subjected to TDG regulations
B.It is considered as exempt human specimen
C.It is considered as biological substance category B
D.It is considered as category A
If the centrifuge begins to shake
A.Inform the supervisor
B.Alert other laboratory personnel first
C.Open the centrifuge after a complete stop
D.Turn off the centrifuge first
According to the CSMLS guidelines the most common cryogenic agent used in clinical laboratories is
A.Liquid Nitrogen
B.Dry Ice
C.None of the
D.Ice pack
All of the following are examples of disinfection method except:
A.Skin disinfecting with 70% alcohol
B.steam autoclaves
C.Hand sanitizing
D.Using sodium hypochlorite for spills
WHMIS requires :
A.Symbols, SDS, and Training
B.Labels, SDS, and training
C.Suppliers, SDS, and label
D.Hazards, SDS, and label
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