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VET 201 Week 3
Facility design, equipment, housing & management
| Question | Answer |
|---|---|
| What is facility design determined by? | Nature of research and type of animals to be housed |
| T/F: Good animal care is dependent on well-designed, well-constructed, and properly maintained facility. | True |
| Why are staff areas separated from animal areas? | Human comfort, health protection |
| T/F: Interior surfaces need to be durable, moisture-proof, fire-resistant, and as seamless as possible. | True |
| How wide should corridors in a facility be? | 6 to 8 feed in width |
| What is the minimum door size for a facility? | 42" x 84" |
| What adds longevity to facility doors? | Recessed handles and kickplates |
| What can be used for safety or as a form of ennrichment? | Windows |
| T/F: Floors should be durable, nonabsorbent, impact-resistant, and as seamless as possible. | True |
| Does HVAC need to be reliable in a facility? | Yes |
| How many air changes per hour is the standard? | 10 to 15 |
| What needs to be taken into consideration with ventilation? | heat loads, housing system, and animal numbers |
| What is recommended to control cross-contamination? | HEPA filters |
| What type of pressure should be used for quarantine, isolation, and housing of non-primates? | Negative pressure |
| What type of pressure should be used for surgery and housing of pathogen-free animals? | Positive pressure |
| T/F: Time-controlled lighting is necessary | True |
| What is utilized if a high degree of biosecurity is needed? | Entry barriers, designated traffic flow patterns |
| What are the types of corridor designs? | Single corridor system, Dual corridor system, combination |
| What are the types of traffic flow designs in a single corridor system? | Unidirectional traffic flow and Bidirectional traffic flow |
| Which type of pressure room is pressure kept at greater than surrounding rooms, and air move out of? | Positive pressure rooms |
| Which type of pressure room is pressure kept at lower than surrounding rooms, and air moves into the room? | Negative pressure rooms |
| T/F: Room pressure needs to be checked at regular intervals | True |
| Is room pressure noticeable to staff? | No |
| What are barrier rooms designed to do? | Bioexclusion and Biocontainment |
| T/F: Protective equipment must be worn to enter a barrier room | True |
| T/F: Access is restricted to Containment/Biohazard facilities | True |
| How effective are HEPA filters in removing particulate matter? | 99.7% |
| What does ABSL stand for? | Animal biosafety level |
| What is the scale for ABSL? | 1 to 4; 1 being the lowest risk and 4 being the highest |
| What are the type of cage washers? | Rack, cabinet, and tunnel |
| Which cage washer is used for large equipment? | Rack |
| Which cage washer is a smaller version of a rack washer? | Cabinet |
| Which cage washer carries equipment/caging on a conveyer belt? | Tunnel |
| T/F: Cage washers do not require an emergency shut-off features | False |
| What temperature is suggested for achieving sanitation? | 180F |
| What is sanitation? | Reduction of the number of microorganisms on an object to an acceptable public health standard |
| What is disinfection? | A process that destroys pathogenic microorganisms or inhibits their growth |
| What is sterilization? | Destruction of all organisms on an object |
| What does records equipment failures, equipment repair, and sanitation effectiveness? | Cage wash log |
| What measures bacterial colonies remaining on sanitized equipment? | RODAC plate testing |
| What measures the presence of adenosine triphosphate, molecule present in all living organisms? | ATP bioluminescent technology |
| What is the most commonly utilized watering equipment? | Bottles with sipper tubes |
| What is the type of watering equipment that is used when shipping/transporting rodents? | Sipper Sacks/Hydrogel packs |
| Which watering equipment presents ergonomic issues and labor intensive? | Bottles with sipper tubes |
| Which watering equipment must be periodically sanitized by flushing system? | Automatic watering system |
| T/F: Water may be treated to eliminate containants | True |
| T/F: Valves and all other system components should be checked regularly to insure proper function of watering equipment | True |
| Food needs to be... | Palatable, uncontaminated, nutritionally adequate |
| How long can dry pelleted foods be used? | Up to 6 months after manufacture |
| What can be done to lengthen the shelf life of dry food? | Refrigeration |
| What temperature does purified and chemically defined diets need to be stored at? | 390 F or lower |
| What does bedding material depend on? | Species, Housing method, experimental conditions |
| What qualities should bedding material have? | Nontoxic, Nonnutritive, Nonpalatable |
| T/F: food and bedding should be stored on the floor | False |
| What do housing systems depend on? | Species, Nature of research, facility design |
| Which plastic cage is disposable and intended for use with biohazard/chemical hazard protocols? | Polystyrene |
| Which plastic cage is opaque and provides breeding animals more seclusion? | Polypropylene |
| Which plastic cage is clear, high-impact strength, and has an autoclavable version for protocols which require sterile caging? | Polycarbonate |
| Which plastic cages come in a variety of clear colors and can withstand over 2,000 autoclaving cycles? | Polyphenylsulfone |
| What is the common type of rodent housing that has a stainless steel lid with a V-shaped through to hold food and a water bottle called? | Shoebox-style |
| What is the refinement of the shoebox cage system? | Microisolation system |
| What are the two versions of the Microisolation system? | Static and Ventilated |
| Which type of housing provides a sterile environment and contains a chamber made of clear plastic material? | Isolator |
| What are the two types of isolators? | Semi-rigid or flexible |
| Which cage is a refinement to the static Microisolation system, delivers automatic watering and continuous air flow? | Individually Ventilated Cages |
| T/F: Individually Ventilated Cages may not need to be changed as frequently | True |
| Which cages are made of plastic, metal, or wire mesh and hang from an aluminum or stainless steel runner build into a mobile rack? | Suspended cages |
| T/F: Suspended cages are discouraged as they may produce foot problems | True |
| Where are space recommendations located? | Animal welfare act and The guide |
| What is used to calculate the space needed? | Width and Length |
| What type of cages are used with rabbits, ferrets, and chincillas? | Front-opening cages |
| What are the types of specialized housing? | Metabolism cages and Exercise cages |
| What types of cages are used for cats, primates, and sheep? | Gang/Group cages |
| Which cages have a manual, crank, mechanical motor (chute)? | Nonhuman primate caging |
| T/F: Shipping cages are for temporary housing only | True |
| Who pays for the charges for animal housing? | Researchers |
| T/F: Recordkeeping is required by regulatory agencies | True |
| What percent of handlers develop animal allergies? | 11-44% |
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