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The ALAT (Assistant Laboratory Animal Technician) final exam is a multiple-choice test with 120 questions, and candidates typically have three hours to complete it. A passing score requires at least 70%. Practice materials, including practice exams and study guides, are available online to help prepare for the exam. These resources often include verified answers and are designed to cover various topics within laboratory animal science.
Typology: Exams
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According to USDA regulations, cats MUST have what kind of identification? a. An ear tag and collar or a microchip implant b. A tattoo with a microchip implant c. A tag and collar, tattoo, or microchip d. A microchip implant or an ear tag - ✔✔A tag and collar, tattoo, or microchip Bedding dump stations are used mainly to protect employees from which hazard? a. Experimental test articles b. Bacteria in animal feces c. Inhaled allergens d. Unpleasant odors from animal urine - ✔✔Inhaled allergens Which term describes the condition within an animal's cage? a. Macroenvironment b. Isoenvironment c. Endoenvironment d. Microenvironment - ✔✔Microenvironment if a rodent is exposed to a pathogen while in transit to a research facility, under typical situations what is the general rule of thumb for the minimum time it would take for the animal to test positive for the pathogen by serology or PCR? a. 1 to 2 weeks b. 2 to 3 weeks c. 5 to 6 weeks d. 8 to 12 weeks - ✔✔ 2 to 3 weeks
What is the term described in the 3 Rs for designing an experiment so that stress or pain to an animal is minimized? a. Reduction b. Refinement c. Reconstitution d. Replacement - ✔✔Refinement What is a transgenic mouse? a. A mouse that contains new genes that either are from another species or have been altered from the mouse species b. A mouse that has been outbred for 20 generations c. A mouse that has been bred for a naturally occurring mutation d. A mouse that has had genes deleted using ultrasonic technology - ✔✔A mouse that contains new genes that either are from another species or have been altered from the mouse species What is the top priority when an accident results in an injury? a. First Aid b. Retraining c. Eliminating the cause d. Documentation - ✔✔First Aid What fish organ senses vibrations in the water? a. Gills b. Lateral line c. Gas bladder d. Pineal gland - ✔✔Lateral line Which statement regarding gerbil reproduction is TRUE? a. Gerbils do not engage in cannibalism. b. Males will "thump" their hind feet at mating time.
Which of the following is commonly used to euthanize fish? a. TK- 421 b. MS- 222 c. Pentobarbital d. Potassium chloride - ✔✔MS- 222 Which device is used to restrain groups of cattle? a. Pens with shock bars b. V-shaped chutes c. Canvas slings or restraint drapes d. Crank-cage mechanisms - ✔✔V-shaped chutes What anatomical feature do all reptiles share with birds and amphibians? a. Gizzard b. Cloaca c. Crop d. Bursa - ✔✔Cloaca Which of the following is a New World monkey? a. Rhesus macaque b. Cynomologus macaque c. Marmoset d. Baboon - ✔✔Marmoset Overall maintenance of the animal colony's health and regulatory compliance are the responsibility of which member of the research team? a. The Research Technicians b. Laboratory Animal Technicians c. The Laboratory Animal Veterinarian
d. The Principal Investigator - ✔✔The Laboratory Animal Veterinarian In a research experiment, what is the term used to describe the group of animals that does NOT receive the experimental treatment? a. Sentinel animals b. Experimental animals c. Control animals d. Baseline animals - ✔✔control Which statement is TRUE about pig tusks? a. Tusks should never be trimmed, as they do not grow back. b. The mature boars of all three sizes of swine have tusks. c. Both male and female pigs have razor-sharp tusks. d. The upper and lower incisors are sometimes called tusks. - ✔✔The mature boars of all three sizes of swine have tusks. What energy source is used once glucose is depleted? a. Fat b. Protein c. Glycogen d. Glycine - ✔✔glycogen Which two species may be used to study hibernation? a. Opossums and deer mice b. Naked mole rats and armadillos c. Woodchucks and squirrels d. Shrews and bats - ✔✔Woodchucks and squirrels Why should gerbils be approached quietly? a. They are prone to audiogenic seizures.
What do glands in the skin of amphibians secrete? a. A shiny layer that serves as a sexual attractant b. A slimy, protective layer c. A granular substance that repels predators d. A coating that becomes a hard shell - ✔✔A slimy, protective layer Which statement regarding the disaster plan is TRUE? a. Managers are responsible for their employees' safety during an emergency. b. Post-incident discussions may identify ways to improve the disaster plan. c. Disaster drills do not improve emergency preparedness. d. All personnel are responsible for their own training in emergency preparedness. - ✔✔Post-incident discussions may identify ways to improve the disaster plan. To protect their health, ferrets are commonly vaccinated for which disease? a. Feline panleukopenia b. Canine parvovirus c. Avian influenza d. Canine distemper - ✔✔Canine distemper What is the scientific name of domestic cattle? a. Sus scrofa b. Capra hircus c. Ovis aries d. Bos taurus - ✔✔Bos taurus Which of the following is NOT a reason to provide animals with nutritional enrichment? a. To reward compliance with procedures such as blood drawing b. To provide essential nutrients
c. To promote species specific behaviors d. To train animals to enter a restraint device - ✔✔To provide essential nutrients For rabbits, what is the most common treatment for moderate malocclusion? a. Pulling the peg teeth b. Pineapple juice c. Trimming the incisors d. Pulling the front incisors - ✔✔Trimming the incisors Which statement is TRUE? a. Cage changes of socialized cats and dogs can include gentle play. b. It is appropriate to play music in a mouse room when you are changing cages. c. You may turn on the light in an animal room after it has entered the dark cycle. d. Each animal cage should be cleaned and sanitized every day. - ✔✔Cage changes of socialized cats and dogs can include gentle play. Why may gerbil cages be changed less frequently than those of similarly sized rodents? a. Gerbils do not build elaborate nests. b. Gerbils excrete little urine and very dry feces. c. Gerbils do not scent mark their cage. d. Gerbils tend to bite when disturbed. - ✔✔Gerbils excrete little urine and very dry feces. Which statement about ferret behavior is TRUE? a. If held by the scruff of the neck, ferrets will yawn and relax their bodies. b. Ferrets will only vocalize when in extreme pain or distress. c. Ferrets are aggressive and should not be group housed. d. If a ferret is slow to wake, it may be a sign of illness or poor health. - ✔✔If held by the scruff of the neck, ferrets will yawn and relax their bodies.
c. Panepinto Sling® d. Terris confinement stand - ✔✔Snaring Which equipment can be used to decrease the incidence of ergonomic injuries associated with handling water bottles? a. Laminated flow cabinet b. Pressure reducing station c. Mixing station d. Automated watering system - ✔✔Automated watering system What is an appropriate method of picking up a hamster? a. Grabbing the base of the tail with your fingers b. Grabbing the skin across the lower back with forceps c. Grasping the hind leg with your fingers d. Grasping the loose skin across its back with your fingers - ✔✔Grasping the loose skin across its back with your fingers Most of the frogs in research labs are used to: a. produce fertilized or unfertilized eggs. b. study the physiology of hibernation. c. generate tadpoles to be used in metamorphosis studies. d. make frog antibodies and antisera. - ✔✔produce fertilized or unfertilized eggs. What type of cage creates a containment system at the cage level, preventing microorganisms from entering the cage? a. Metabolism b. Microisolation c. Static d. Disposable - ✔✔Microisolation
One of the first things to check if a rabbit stops eating is the: a. water supply. b. cage size. c. fiber content of the diet. d. room temperature. - ✔✔water supply Which of the following is TRUE when handling hazardous waste? a. Hazardous waste must be rendered safe by sterilization or other means prior to disposal. b. Hazardous waste must be packaged with non-hazardous waste prior to disposal. c. Hazardous waste must always be autoclaved for disposal. d. Hazardous waste must be checked by the facility veterinarian before disposal. - ✔✔Hazardous waste must be rendered safe by sterilization or other means prior to disposal. What is the weaning age of the dog? a. 3 - 4 weeks b. 6 - 8 weeks c. 9 - 12 weeks d. 14 - 16 weeks - ✔✔ 6 - 8 weeks Which statement is TRUE about the handling of ferrets? a. Ferrets can be easily managed if handled often and appropriately. b. Ferrets should be picked up by their tail. c. Ferrets are easily handled and rarely bite. d. Ferrets are very aggressive. - ✔✔Ferrets can be easily managed if handled often and appropriately. In the feed storage room, how should feed bags be stored? a. On platforms or shelves, 3 inches from the wall b. On platforms or the floor, next to the wall
d. insert a catheter into the bladder. - ✔✔make sure their hind quarters are slightly lower than the front part of their body. What is an operculum? a. A protective eyelid that covers the eye b. A bony, flexible plate that covers the gills c. An organ that aids in detecting electrical fields in the water d. A structure that helps fish navigate through deep water - ✔✔A bony, flexible plate that covers the gills What is another name for opioid analgesics? a. NSAIDs b. Norepinephrines c. d. Neuralgics - ✔✔Narcotics Constant or frequent scratching is also called: a. alopecia. b. dyspnea. c. anemia. d. - ✔✔pruritis A descaler chemical is used for removing: a. soiled bedding from solid bottom cages. b. fecal pellets. c. dried urine. d. feed residues from J-feeders. - ✔✔dried urine What is the scientific name for the laboratory rabbit? a. Meriones unguiculatus
b. Capra hircus c. Canis familiaris d. Oryctolagus cuniculus - ✔✔Oryctolagus cuniculus What is the preferred method of euthanasia for neonatal rodents? a. Exsanguination b. Decapitation c. Pithing d. Overdose - ✔✔Decapitation Planned or controlled manipulations within a research study are called: a. nondesigned change factors. b. designed change factors. c. nonexperimental variables. d. experimental variables. - ✔✔experimental variables. Who should be involved in the development of the security plan? a. The IACUC b. All facility staff c. Facility management d. Veterinary staff - ✔✔All facility staff What is a common breed of dog used in research? a. Terrier b. Spaniel c. Labrador retriever d. Beagle - ✔✔Beagle
d. Manual cleaning without detergents or disinfectants followed by heat sterilization. - ✔✔Manual cleaning without detergents or disinfectants followed by heat sterilization. What is the virus carried by rhesus and cynomolgus macaques that can cause a fatal infection in humans? a. Cholera b. C virus c. Tuberculosis d. B virus - ✔✔B virus After feeding amphibians live feed, why should technicians leave the room? a. Amphibians do not like to eat in front of people. b. Movement in the room can scare the live feed into hiding from the amphibians. c. Amphibians require total silence while eating. d. Amphibians may be distracted by the movement in the room. - ✔✔Amphibians may be distracted by the movement in the room. Which statement is TRUE about pig behavior? a. Pigs are social animals but can behave unpredictably. b. Pigs are nonaggressive animals that never fight. c. Pigs have weak jaws and do not like to chew or bite. d. Domestic swine have a lot of herding instinct. - ✔✔Pigs are social animals but can behave unpredictably. Why is cud chewing important for a ruminant? a. It helps increases the ruminant's water intake. b. It increases the amount of time that the animal takes to eat its feed so that they require less feed. c. It helps to break down more of the plant matter and increases nutrient absorption. d. It provides environmental enrichment for the ruminant. - ✔✔It helps to break down more of the plant matter and increases nutrient absorption. The PHS Policy on Humane Care and Use of Laboratory Animals applies specifically to which type of research? a. Research at USDA inspected laboratory facilities
b. Research funded by private institutions c. Federally funded research d. AAALAC International accredited research - ✔✔Federally funded research What is the most common method used to euthanize a cat? a. Injection of an overdose of barbiturates b. Carbon dioxide inhalation c. Decapitation under anesthesia d. Intracardiac injection of potassium chloride - ✔✔Injection of an overdose of barbiturates Malaria is an example of an infection transmitted by
. a. contact b. feces c. a vector d. fomites - ✔✔vector Which designation usually requires the least restrictive housing and husbandry controls to maintain the health status? a. Defined Flora b. Conventional c. Specific pathogen-free d. Germfree - ✔✔Conventional The presence of a indicates pups are nursing well. a. black spot on the right side of the abdomen b. black spot on the left side of the abdomen c. white spot on the right side of the abdomen d. white spot on the left side of the abdomen - ✔✔white spot on the left side of the abdomen Which statement regarding radioactivity hazards is FALSE? a. The energy of radiation becomes weaker the closer you are to the source material. b. Appropriate signage must be posted in locations where radioactivity is being used.
If a female rat does not mate during her postpartum estrus, how long does it take her to start cycling again after giving birth? a. About 5 - 7 days after parturition b. About 10 days after parturition c. About 2 - 4 days after the weaning of her litter d. About 10 days after the weaning of her litter - ✔✔About 2 - 4 days after the weaning of her litter Which of the following is a USDA requirement? a. Dogs must have daily exercise outside of their pens or runs, regardless of the size of their pen. b. Dogs must be group housed in a large pen or run. c. Dogs must have the opportunity for exercise if their pen is not large enough. d. Dogs must undergo leash training if they are group housed. - ✔✔Dogs must have the opportunity for exercise if their pen is not large enough. Which of the following is an example of a passive scavenging apparatus for waste anesthetic gas? a. Fume hood b. Biosafety cabinet c. Activated charcoal canister attached to isoflurane machine circuit d. Downdraft station - ✔✔Activated charcoal canister attached to isoflurane machine circuit Which anatomical feature of hamsters makes them a good model for studying the circulatory system? a. Cheek pouches b. Compartmentalized stomach c. Scent gland d. Peg teeth - ✔✔cheek pouches Due to anatomical similarity with humans, pigs are used to investigate diseases of which organ? a. Brain b. Heart c. Kidney d. Liver - ✔✔heart
What is the term for the condition that results when a mouse's incisors do not align properly and become overly long? a. Incisor protrusion b. Hyperdentition c. Maldentition d. Malocclusion - ✔✔Malocclusion Hemoglobin, the molecule that binds oxygen in blood, contains which metal? a. Copper b. Cobalt c. Iron d. Lead - ✔✔iron The cheek pouches of hamsters lack which anatomical feature? a. Connective tissue b. Lymphatic vessels c. Nerves d. Blood vessels - ✔✔lymphatic vessels
. How do steroids work to reduce inflammation? a. They suppress the immune system. b. They inhibit the peripheral nervous system. c. They excite the central nervous system. d. They stimulate the immune system. - ✔✔They suppress the immune system. . How much does the average male rat weigh? a. 100 - 250 grams b. 300 - 500 grams c. 600 - 700 grams d. 800 - 1000 grams - ✔✔ 300 - 500 grams What is the most important reason that cloth uniforms not be taken outside the facility? a. To reduce chances of theft b. To ensure consistent washing c. To prevent exposure of others to allergens or infectious agents d. To ensure cleanliness standards - ✔✔To prevent exposure of others to allergens or infectious agents