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LATG Chapter 7 questions with answers.
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LATG Chapter 7 questions with answers.
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LATG 2019 questions with answers.What is Bremsstrahlung? ANS -An X-ray produced by beta particles when they decelerate
Which of the following describes carbon-14 (14C), tritium (3H), and Iodine-125 (125I)? ANS -
Radioisotopes
Which statement best describes gamma radiation? ANS -They are a type of electromagnetic radiation.
Thick dense shielding must be used to protect a worker from which of the following types of radiation?
ANS -Gamma Radiation and X-Rays
What best describes beta particles? ANS -They are charged particles, either an electron or a positron.
Which statement best describes alpha particles? ANS -They consist of two protons.
Which practice does NOT decrease exposure to allergens?
Wearing safety glasses
Using biological safety cabinets
Wearing a laboratory coat
Handwashing ANS -Wearing Safety Glasssed
Which of the following best describes zoonoses?
A group of infectious agents that affect most animals
A disease of exotic animals often found in zoos
A type of animal restraint that uses a ring inserted in the cartilage of the nose
An infection that can be transmitted between animals and humans ANS -An infection that can be
transmitted between animals and humans
,For which type of waste is incineration the method of choice?
Mixed waste
Sharps
Infectious waste
Radioactive waste ANS -infectious watse
Researchers who work with serum, blood, or tissues from humans or apes should receive which
vaccine?
Influenza
Hepatitis B
Typhoid
Measles ANS -Hepatitis B
Which article of personal protective equipment would NOT be necessary when processing waste in an
autoclave in a basic containment laboratory?
Face shield
A respirator
Sturdy shoes
Rubber apron ANS -A respirator
Which ABSL level relates to infectious agents that can cause serious or potentially lethal diseases when
inhaled?
ABSL-2 and higher
ABSL-1 and higher
ABSL-4 only
ABSL-3 and higher ANS -ABSL-3 and higher
Who has the primary responsibility of protecting an animal care technician from exposure to hazards in
the animal facility?
The technician
,The IACUC
The unit manager
Environmental health and safety personnel
10 of 25: Multiple Choice/Single Answer - Select one answer ANS -The technician
Establishing good containment safeguards for general waste helps prevent which issue from occurring?
Dispersal of pathogens and escape of radioactive material
Accidents with sharps and dispersal of asbestos
Objectionable odors and formation of allergenic aerosols
Objectionable odors and escape of radioactive material ANS -Objectionable odors and formation of
allergenic aerosols
Work with moderate risk agents that are associated with human diseases of varying severity should be
performed at what ABSL level?
4
2
3
1 ANS -2
What is specified by the different Hazard Communication Standard pictograms on chemical labels?
A prescribed procedure
The type of hazard
The chemical element abbreviation
A number to indicate toxicity level ANS -The type of hazard
What best describes recombinant DNA?
DNA that has been created in the laboratory
DNA that can cause a disease when given to an animal
DNA that replicates itself easily
, DNA that has been polymerized ANS -DNA that has been created in the laboratory
What action must always be done before opening the door of an autoclave?
Disconnect the autoclave from the electricity source.
Clean the outside of the door with disinfectant.
Check the pressure gauge.
Prepare a fire extinguisher. ANS -Check the pressure gauge
For easy identification of different items in first-aid kits, a system based on _____ has been adopted.
Pictograms
Color
Symbols
Numbers ANS -color
Which of the following is used to represent an estimate of the reasonable level of a chemical to which a
worker can be exposed without adverse effects?
Maximum Exposure Limit
Maximum Allowable Limit
Safe Threshold Level
Threshold Limit Value ANS -Threshold Limit Value
What is the first step in developing an occupational health and safety program?
Choose a staff person who will be responsible for the program.
Decide on a budget.
Identify the types of hazards present in the facility
Make a list of all existing safety equipment. ANS -Identify the types of hazards present in the facility
Which type of chemical responds strongly in the presence of water?
Ignitable
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