2013 JAALAS questions Flashcards
What are some temperature threshold reactions in rabbits?
turning head toward thermal probe, biting probe, hopping away (52.1)
Which drug with analgesic properties is not recommended in rabbits?
a. meloxicam
b. detomidine
c. butorphanol
d. xylazine
B- linked to myocardial necrosis
Which of the following medications is reported to decrease sedative effects of anesthetics in rabbits?
a. buprenorphine
b. meloxicam
c. carprofen
d. morphine
d- out of AALA
According to the AWA, a 5kg individually housed female NZW rabbit requires ___ sq feet of floor space until she has a litter, then she requires ___ sq feet.
4,6
Pharmacokinetic data in rhesus suggests that buprenorphine should be redosed how often in this species?
q6-8hrs (52.1)
Buprenorphine is a:
a. full mu agonist
b. partial mu agonist
c. partial mu agonist and antagonist and kappa agonist
d. full mu agonist
b. partial mu agonist
Which of the following long-lasting antibiotics used in dogs and cats has recently been evaluated in NHPs and found to only have 12-24hrs of antibiotic activity?
a. cefovecin
b. ceftiofur
c. ceftriaxone
d. cefpoxidime
a. cefovecin
According to the AWA, the ambient temperature of the holding area for NHP should not fall below 45F or above 85F for more than 4hrs. Which of the following is the best location to measure the ambient temperature?
a. inside the primary enclosure
b. 5 feet away from the outside of the primary enclosure at a height midway up the side of the enclosure
c. 2 feet away from the outside of the primary enclosure at a height midway up the side of the enclosure
d. with the temp probe resting on top of the primary container
c. 2 feet away from the outside of the primary enclosure at a height midway up the side of the enclosure
Which of the following should be part of BOTH survival and nonsurvival surgeries according to the Guide?
a. clipping of the surgical site
b. use of sterile gloves
c. dedicated surgical suite
d. use of sterile instruments
a. clipping of the surgical site
Which of the following could be considered an example of a major survival surgery?
a. vasectomy
b. percutaneous biopsy
c. femoral vein cutdown
d. joint replacement
d. joint replacement
T/F: Carprofen is a more potent inhibitor of COX1 than COX2.
F
T/F: Naloxone can reverse the effects of burprenorphine
F
T/F: The 3 opioid receptors in animal brain and tissues are mu, kappa, and delta.
T
What assisted reproductive techniques are used in lab mice?
superovulation, in vitro fertilization, embryo cryopreservation, embryo transfer
Is it necessary to introduce DNA into the cells of a very early mouse embryo to produce transgenic mice?
Y
What conditions lead to significant leaching of lead into water from neoprene stoppers?
a. autoclaving water bottles
b. acidified water
c. autoclaved/acidified water
d. A and C
e. B and C
e. B and C (52.1)
Acidificiation of water caused leaching of which of the following metals from neoprene stoppers?
a. cadmium
b. copper
c. selenium
d. all of the above
e. none of the above
b. copper
An investigator is studying the immunomodulatory effects of zinc in mice. He feeds low Zn diet. Which of the following water sources would have the lowest risk of introducing a confounding variable?
a. autoclaved water
b. acidified water
c. tap water
d. any of the above
b. acidified water
Which of the following mites are host-specific?
a. Demodex musculi
b. Myobia musculi
c. Myocoptes musculinus
d. Psorergates simplex
a. demodex musculi
Which two species of mites are biologically and morphologically similar and can only be differentiated by looking at the tarsal terminus of the 2nd pair of legs?
a. Demodex musculi, Myobia musculi,
b. Myobia musculi, Myocoptes musculinus,
c. Psorergates simplex, Radfordia affinis,
d. Myobia musculi, Radfordia affinis
d. Myobia musculi, Radfordia affinis
Which among these mites are nonburrowing mites?
a. Myobia musculi
b. Myocoptes musculinus,
c. Psorergates simplex
d. Radfordia affinis
e. All of the above
e. all of the above
T/F: A recent study hypothesized that a possible explanation for the increase in HR with pentobarbital use in rats may be due to a compensatory response to reduced peripheral vascular resistance and blood pressure.
T (52.1)
What is xylazine’s MOA?
alpha 2 adrenergic agonist
Which of the following statements is true?
a. Both medetomidine and ketamine are in the same class of drugs
b. Ketamine provides poor muscle relaxation.
c. Marked tachycardia frequently occurs after the use of alpha 2 adrenergic agonists
b. Ketamine provides poor muscle relaxation.
The thermal method recently tested in rabbits was first validated as a method of analgesic evaluation in what species?
a. Pigs
b. Dogs
c. Rats
d. Cats
e. Mice
d. cats
True/False. A recent study found that thermal antinociception may be an effective method of evaluating analgesics in other species, but does not have the potential to be a reliable mechanism in rabbits.
F
NSAIDs like ketorolac block the production of cyclooxygenase, which causes the disruption of prostaglandin production. Beneficial effects include which of the following:
a. Decreased inflammation
b. Alleviation of pain
c. Decreasing clot formation
d. All of the above
d. all of the above
True or False: Ketorolac has been shown to exacerbate the hearing loss associated with pneumococcal meningitis.
F
True or False: The hearing frequency for humans and mice is nearly identical.
F
Which of the following is a minipig breed?
a. Yorkshire
b. Hanford
c. Landrace
d. Duroc
B. hanford
What is the estimated blood volume per kg for an NHP?
50-60mL/kg dependent on BCS
What is one main difference in terms of reproduction between Rhesus and Cynomolgus monkeys?
Cynos = nonseasonal breeders, rhesus = seasonal breeders
_____________is the maximum voltage applied across an X-ray tube which determines the kinetic energy of the electrons accelerated in the X-ray tube which controls the resulting photographic property known as “radiographic contrast” of an X-ray image
kVp (peak kilovoltage or voltage potential)
True or False: kVP is the primary controlling factor of radiographic density
F- mAs (milliamperes/sec) is
What prognostic information is given b y the cardiothoracic ratio (CR) measurement?
a. Emphysema
b. Loss of pulmonary volume
c. Acquired heart disease
d. Altered spatial relationships
c. acquired heart disease
True or False: MPV causes clinical disease in young mice similar to MHV (mouse hepatitis virus).
F- clinically silent
True or False: MPV and MVM (minute virus of mice) cause persistent infection in infant and adult mice.
F- only MPV
True or False: MPV and MVM (minute virus of mice) cause persistent infection in infant and adult mice.
F- localized to germinal centers
Diagnosis of MPV can be made using the following method:
a. MPV-specific ELISA that uses MPV VP-2 as antigen and differentiates MPV from MVM
b. MAP test
c. PCR
d. All of the above
d. all of the above
What compound is emitted by rat pups to stimulate anogenital licking by the dam?
dodecylproprionate
What two main parts of the rodent olfactory system are triggered by airborne and fluid-phase odorants?
main olfactory epithelium (airborne), vomeronasal organ (fluid)
What hormonal effect prolongs estrus in mice in the presence of urine from a foreign pregnant or lactating female?
Hoover-Drickamer effect
Addition of a foreign male induces what hormonal effect that blocks pregnancy implantation?
Bruce effect
Housing lots of female mice together isolated from males induces what effect that results in suppressed estrus?
Lee-Boot effect
Accidental exposure of prepubescent female mice to male urine accelerates puberty in what hormonal effect?
Vandenbergh effect
Females exposed to male urine synchronize their estrus in what hormonal effect?
Whitten effect
Plant compounds that exert estrogenic effects are called waht?
Phyotestrogens
What is the major estrogenic mycotoxin produced by Fusarium fungi in corn?
Zearalenone
What effect do diets low in phytoestrogens and metabolizable energy have on the vaginal opening time in rodents?
It delays the time to vaginal opening
How much space should a female rat and her litter receive per the Guide?
124in2
Where do trophozoites of Spironucleus muris live in mice?
SI
Tribromoethanol results in what pathology in rodents?
Strain-dependent ileus, peritonitis, and abdominal serositis resulting in death
What catheterization technique can be used to place a urinary catheter in rabbits?
digital pressure technique
What is a possible difference in the mechanism of excretion of enrofloxacin in amphibians vs mammals?
Enrofloxacin likely metabolized mostly by kidney in amphibians; in mammals by hepatic metabolism and intestinal excretion
What three organs play a role in the production of cortisol in dogs?
hypothalamus, anterior pituitary, adrenal cortex
What are the three processes for detaching biofilms?
erosion/shearing, sloughing, or abrasion
Chlorine combined with hydrogen peroxide/peracetic acid rinse results in what toxic compound?
Chlorine dioxide
What is the unit of measure for light intensity?
luminous flux (lux)
What hormone regulates circadian rhythm?
a. growth hormone
b. melatonin
c. corticosteroid
d. thyroxin
b. melatonin
What instrument is used to measure spectral transmittence?
a. spectroradiometer
b. photometer
c. colorimeter
b. spectroradiometer
Per the guide, what is the appropriate light intensity for maintaining most lab animals?
a. 325 lux at 1m above the floor
b. 325 lux at 1.5m above the floor
c. 450 lux at 1m above the floor
d. 450 lux at 1.5m above the floor
a. 325 lux at 1m above the floor
Which group of socially housed rats will require the most floor space to comply with the Guide?
a. a female with her litter
b. two male rats each weighing 510g
c. three female rats each weighing 350g
d. 6 recently weaned rats each weighing 70g
b. two male rats each weighing 510g
The Dahl SS rat:
a. was developed from selective breeding of Long Evans rats
b. has a mineralocorticoid deficiency and must be maintained on a 6-8% NaCl diet
c. has low renin salt-sensitive form of diet-induced hypertension
Is also known as the SS-13BN
c. has low renin salt-sensitive form of diet-induced hypertension
SS-13BN is the control for Dahl rats
Which transgenic rodent production technology uses Fok1?
a. chemical mutagenesis
b. transposon-mediated mutagenesis
c. zinc-finger nuclease technology
d. none of the above
c. zinc-finger nuclease technology
How long after rodent cage change should you wait before collecting data to avoid potential confounding variables?
a. 30min
b. 1hr
c. 24h
d. 48hr
b. 1hr
How much space is required for a female mouse and her litter per the Guide?
51in2
What is the recommended dry bulb temp for laboratory rodent macroenvironment?
20-26C
What does the acronym LOAEL stand for?
a. lowest observed adverse effect level
b. lowest observed adverse estrogen level
c. lowest observed adverse endocrine level
d. lowest observed adverse environmental level
a.lowest observed adverse effect level
What is the main source of the phytoestrogens daidzin, genistein and glycitin?
a. Alfalfa
b. Corn or corncob bedding
c. Soybean meal
d. Wheat, oats, and/or barley
c.Soybean meal
Zearalenone is an estrogenic mycotoxin produced by a variety of fungi belonging to what genus?
a. Aspergillus
b. Claviceps
c. Fusarium
d. Penicillium
c. Fusarium
What effect doestreatment with zearalenone had on the time of vaginal opening in mice?
a. No effect on time to vaginal opening
b. Increases the time to vaginal opening
c. Shortens the time to vaginal opening
d. Completely prevents vaginal opening and cyclicity
c.Shortens the time to vaginal opening
What type of research may be most affected by undetected infection of study animals with Spironucleus muris?
a. Neurologic studies
b. Safety studies
c. Behavioral studies
d. Immunological studies
d. immunological studies
What is another name for quantitative PCR?
a. fluorescent PCR
b. Flow cytometry
c. real-time PCR
d. reverse transcription PCR
c. real-time PCR
What is the ideal age to test mice for S. muris?
a. 6-8 weeks of age
b. 3-5 weeks of age
c. 3-5 months of age
d. 1 year or older
b.3-5 weeks of age
When would an IACUC protocol not be required for colony sentinel programs?
a. If the facility only performs studies shorter than 6 weeks in length
b. If the facility only houses rats and mice
c. If the facility doesn’t receive NIH funding
d. Any of the above could have a yes answer, under various circumstances
c.If the facility doesn’t receive NIH funding
An investigator would like to perform tail-tip biopsy in 27d old B6 mice, but does not understand why anesthesia is required for this procedure by the IACUC. What information should you relay to him?
a. B6 mice have increased neurologic development and can sense more pain after 21 days of age
b. Ossification of caudal tail vertebrae in mice is present after 21 days resulting in increased pain during tail biopsy
c. This policy is required by the the federal regulations and cannot be approved bythe IACUC
d. B6 mice have ossification of caudal tail vertebrae at 25 days of age and will experience increased pain during the procedure
b.Ossification of caudal tail vertebrae in mice is present after 21 days resulting in increased pain during tail biopsy
An investigator studying diabetes mellitus would like to perform tail tip biopsy and blood draw on mice at age of 26 days using isoflurane anesthesia, what should you recommend?
a. Blood glucose can be elevated due to the anesthesia
b. Blood glucose can be decreased due to the anesthesia
c. Blood glucose is not affected by the anesthesia
d. Blood glucose is decreased during the first 10 minutes of anesthesia then returns to normal
b.Blood glucose can be decreased due to the anesthesia
Which of the following is NOT part of the Public Health Service?
a. Veterans Administration
b. Indian Health Service
c. Substance Abuse and Mental Health Service Administration
d. Agency for Healthcare Research and Quality
a.Veterans Administration
According to the PHS Policy, what is the maximum length of time an assurance can be approved for by OLAW?
a. Maximum 5 years
b. Maximum 3 years
c. Maximum 2 years
d. Maximum 1 year
a.Maximum 5 years
Which of the following is an effect of cortisol on the body?
a. Transient lymphocytopenia
b. Decreased lymphocyte response to antigens
c. Inhibition of allergic response to allergens
d. All of the above
e. None of the above
d.All of the above
What is the minimum floor space per animal recommended for group-housed cynomolgous macaques weighing 6 kilograms? (Guide61)
a. 3.0 ft2
b. 4.3 ft2
c. 10.0 ft2
d. 15 ft2
b.4.3 ft2
Which of the following characteristics is NOT a differentiating factor between NWM and OWM?
a. Ischial callosities are usually present on Old World Monkeys
b. New World Monkeys generally have a broader nasal planum (platyrrhine)
c. New World Monkeys attain greater body weights and therefore have increased space requirements when housed indoors
d. A prehensile tail may be present in New World Monkey
c.New World Monkeys attain greater body weights and therefore have increased space requirements when housed indoors
What effect might changing the social housing of NHPs have on allergic response to a given allergen such as house dust mites?
a. Decrease in allergen sensitivity during the acute stress phase
b. Anaphylactic reaction to theallergen
c. Increase in allergen sensitivity during the acute stress phase
d. Sensitization of the animals to new allergens
a.Decrease in allergen sensitivity during the acute stress phase
What is the mechanism of action of tribromoethanol (Avertin)?
GABA agonist
A researcher brings you a rat that died suddenly post operatively for a necropsy and you find a severely distended and hemorrhagic intestinal tract. You know this researcher has some uncommon anesthetics approved on his protocol. Upon reviewing the list of approved anesthetics which of the following do you suspect he used on this rat?
a. Urethane
b. Chloral hydrate
c. Tribromoethanol
d. α-chlorulose
b.Chloral hydrate
In what year was “The Guide” first published and what was its first title?
a. 1963 –“Guide for Laboratory Animal Facilities and Care”
b. 1963 –“Guide for Laboratory Animal Care and Husbandry”
c. 1965 –“Guide for LaboratoryAnimal Facilities and Care”
d. 1965 –“Guide for Laboratory Animal Care and Husbandry
a.1963 –“Guide for Laboratory Animal Facilities and Care”
You are overseeing a population of female dogs utilized for behavioral research. One of your animal technicians calls you to discuss a 5 year-old poodle mix which has been noted for partial anorexia and a quiet attitude. A brief history review reveals that the dog has beenurinating abnormally large volumes. On physical examination, you find that the dog is lethargic and shocky. You run a CBC/Chem and find that the dog is azotemic, hyperkalemic, hyponatremic, and hypochloremic. You become suspicious that the dog has what underlying disease process?
a. Diabetes mellitus
b. Hyperadrenocorticism
c. Hypoadrenocorticism
d. Hypothyroidism
c. Hypoadrenocorticism
Your new veterinary resident would like to pursue a project studying endocrine diseases in adult wolverines in their native environment. Which of the following is an advantage of hair over other tissues when sampling cortisol levels?
a. Hair can be stored for years in a -80C freezer until a sufficient population has been sampled
b. Hair is indicative of more recent systemic cortisol levels than feces or saliva
c. Hair isn’t affected by handling stress during sample collection
d. A and C
e. A and B
d.A and C
You are considering purchasing dogs from a reliable dealer for your teaching protocol. Which of the following is true about USDA Class A vs. Class B dealers?(9CFR §1.1)
a. Class A dealers sell animals that are purpose-bred from a population with known history
b. Class B dealers sell animals that are of known history from seedstock or show quality animals
c. Class A dealers sell random-sourced animals which may have no known history
d. None of the above
a.Class A dealers sell animals that are purpose-bred from a population with known history
What is the optimum temperature range for animal rooms housing dogs according to the Guide? (p. 44)
a. 16-22C
b. 16-27C
c. 18-29C
d. 20-26C
c.18-29C
Which of the following accessory sex glands is absentin rabbits?
a. Vesicular gland
b. Prostate gland
c. Bulbourethral gland
d. Coagulating gland
d. Coagulating gland
A researcher would like to use male rabbits for a project evaluating several approaches for surgical ureteral stent placement. Which statement is accurate regarding the urogenital anatomy of the rabbit?
a. Rabbits have a multipapillate kidney
b. The accessory sex glands are located on the ventral surface of the neck of the urinary bladder
c. Ectopic glomeruli are normal in adult rabbits and may appear grossly as small renal “cysts”
d. The inguinal rings close
c. Ectopic glomeruli are normal in adult rabbits and may appear grossly as small renal “cysts”
According to the AWR “not more than __ live rabbits shall be transported in the same primary enclosure.”
a. 5
b. 10
c. 15
d. 20
c. 15
According to the AWR: “If live rabbits are to be transported for a period of more than __ hours they should have access to food and water.”
a. 6
b. 8
c. 10
d. 12
a. 6
An investigator wants to collect blood from Xenopus for his research.Which anesthetic agent would you recommend?
a. Isoflurane
b. Ketamine + Xylazine
c. Tricaine methane sulfonate (MS222)
d. Tribromoethanol
c.Tricaine methane sulfonate (MS222)
As per The Guide, how many adult Xenopus maybe housed in 20 liters of water?
a. 1
b. 5
c. 20
d. 10
d. 10
A frog was presented with petechial hemorrhage and ulceration of the skin particularly on the legs and abdomen. What would be the possible cause and how would you treat?
a. Pseudomonas aeruginosa and Kanamycin
b. Proteus mirabilis and Ampicillin
c. Aeromonas hydrophila and Tetracycline
c.Aeromonas hydrophila and Tetracycline
What is the typical primary composition of the biofilm matrix structure?
a. Erythrocytes and fibrin
b. Soil particles
c. Minerals
d. Polysaccharides
d.Polysaccharides
What is the primary therapeutic problem is created by biofilm development in vivo?
a. Disruption of normal body structures
b. Bacterial antibiotic resistance
c. Release of toxic bacterial components
d. Halitosis
c.Release of toxic bacterial components
What is the most common bacterial component in a biofilm?
a. Staph aureus
b. Sphingomonas paucimobilis
c. Pseudomonas aeruginosa
d. Streptococcus pnuemoniae
e. It depends on where the biofilm is located
e.It depends on where the biofilm is located
What does the Guide say about water quality?
a. Bacterial levels must be less than 1 cfu/ml of H20 at the point where the animal drinks
b. Bacterial levels must be less than 100cfu/ml H20 when sampled anywhere in the system
c. Bacterial levels must be less than 500 cfu/ml of H20 at the point where the animal drinks
d. Water must be clean
c.Water must be clean
In the B6.129P2CfTR1UNC/J strain of mouse, which of the following is true?
a. 129 is the donor strain
b. This strain has been backcrossed <5xto the C57BL6 background
c. This is a conplastic strain of mouse
d. Embryonic stem cells from a C57BL6 strain were likely used to make this transgenic mouse
a.129 is the donor strain
Mice have what type of placentation?
a. Epitheliochorial
b. Endotheliochorial
c. Hemochorial
d. Marginal placentation
c. Hemochorial
According to The Guide, what decibel level is reported to have negative impact on rodent fertility?
a. 60
b. 65
c. 70
d. 75
e. none of the above
b.65
According to The Guide, what is an acceptable amount of air changes per hour to maintain appropriate macroenvironmental air quality in rodent facilities?
a. 5
b. 8
c. 13
d. 25
b.8
OSHA requires a monitoring program when employees are exposed to what minimum level of decibels?
a. 8 hr time weighted average of 65 decibels
b. 4hr time weighed average of 70 decibels
c. 8hr time weighted average of 75 decibels
d. 8hr time weighted average of 85 decibels
d.8hr time weighted average of 85 decibels
At which step in the RAS system does an ACE inhibitor have its effect?
a. Blocks renin release from the juxtaglomerular cells in the kidney
b. Blocks angiotensinogen from becoming angiotensin I
c. Blocks angiotensin I from becoming angiotensin II
d. Binds aldosterone and increases plasma sodium concentrations
c.Blocks angiotensin I from becoming angiotensin II
What color is the CD1 mouse?
albino
What does the “Guide” state about the use of food or fluid restriction?
a. There is no specific mention of food or fluid restriction in the “Guide”
b. If food and fluid restriction is to be used, animals should be closely monitored to ensure intake covers nutritional needs
c. If food and fluid restriction is to be used, animals must be closely monitored to ensure intake covers nutritional needs
d. The greatest tolerable restriction should be used to gain clear differences in results to reduce the number of animals needed to achieve statistical significance.
b.If food and fluid restriction is to be used, animals should be closely monitored to ensure intake covers nutritional needs
According to the “Guide”,no more than how many members should be from the same administrative unit or department.
a. 2
b. 3
c. 4
d. 5
b.3
What is true about Rhesus macaques?
a. Seasonal breeder
b. Gestation period is 164 days
c. Menstrual cycle is 28 days
d. All of the above
d.All of the above
Captive nonhuman primates should be protected from temperature extremes of less than 45F and greater than 85F for more than ————consecutive hours.
a. 2
b. 4
c. 3
d. 8
b.4
An investigator would like to import primates from Asia. How long at minimum you must quarantine the newly imported primates?
a. 21 days in CDC registered primate import facility
b. 31 days in CDC registered primate import facility
c. 61 days in CDC registered primate import facility
d. 91 days in CDC registered primate import facility
b.31 days in CDC registered primate import facility
Fun fact: Stump tailed macaques show balding on the top of their heads as they age and were used to test early formulations of Rogaine. What is the scientific name of the stump tail macaque?
a. M. arctoides
b. M. nemestrina
c. M. fascicularis
d. M. mulatta
a M. arctoides