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VET 201 Week 1

Mice & Rats

QuestionAnswer
What is an outbred stock of mice? heterogeneous; every mouse is genetically different
What is an inbred stock of mice? genetically identical
What type of mice would you order if you needed mice free of all detectable microflora? Germ‐free mice
What type of mice would you order if you needed mice free of a defines list of pathogens? Specific pathogen‐free mice
What federal organization requires the safety of a product to be proven in animal models prior to being marketed for humans? FDA
T/F: Mammary tissue is only found on the abdomen of mice False—mammary tissue can be found all around the mouse body, including the sides and back.
Which pheromone effect are you taking advantage of if group-housed female mouse are exposed to male mouse urine to synchronize estrous? Whitten effect
Which type of nesting material should be avoided in nude mice, and why? Cotton nesting material, it can cause damage to their eyes (due to a lack of eyelashes) or can wrap around their toes.
T/F: Mice must be anesthetized for retro-orbital blood collection or injections True
What is a chimera? A mouse that has tissues or cells derived from two different embryonic stem cell sources
What does CRISPR stand for? Clustered Regularly Interspaced Short Palindromic Repeats
What is a minimally invasive tissue collection technique for genotyping that does not require anesthesia or analgesia? Ear punching
What is bacteria associated with chronic active hepatitis? Heliobacter hepaticus
What is a parvovirus that targets intestinal and lymphoid tissue? Mouse minute virus
What is a hair chewing of vibrissae on head region? Barbering
What are Syphacia and Aspicularis? Pinworms
What is a poxvirus that can lead to amputation of feet and tail? Ectromelia virus
What are Myobia and Mycoptes? Mites
What is a coronavirus that is highly contagious; enteric and respiratory patterns? Mouse hepatitis virus
What is a genetically linked skin syndrome found frequently in C57BL/6 mice? Ulcerative dermatitis
What is the cause of scaly skin disease in nudes? Corynebacterium bovis
What disease is found in association with water, not a normal part of flora? Pseudomonas aeruginosa
Which of the following are outbred stocks of rats? Sprague-Dawley, Wistar, Long-Evens
Which genetic classification is useful for modeling natural population diversity? Outbred stock
_____ animals colonized only with a know population of microflora. Gnotobiotic
Which is NOT an acceptable reason to singly house animals of a social species? Cost
What is the usual gestation period of a rat? 21-23 days
Which of the following is INCORRECT regarding nutrition? Rats drink an average of 10 to 12 mL of water per day
As a general guideline, up to what percent of the circulating blood volume can be withdrawn every 2 to 3 weeks from normal healthy animals with minimal effect? 10%
If a procedure in known to cause pain in humans, if must be assumed to also cause pain in rats unless ________. Proven othrwise
Recommended methods for administration of intraperitoneal injections in rats is.... Lower right abdominal quadrant
Recommended methods for the individual identification of adult rats include all except Toe clipping
What is the name of the AVMA guidance document for members of the veterinary profession who carry out or oversee the euthanasia of animals? Guidelines for the Euthanasia of Animals
What is Trichophyton mentagrophytes? Ringworm
What is Radfordia ensifera? Rat fur mites
What are gross lesions include miliary pale foci of the liver, abdominal distention, and megaloilietis? Clostridium piliforme
What are "Red tears"? Chromodacryorrhea
Which disease is associated with low housing humidity? Ringtail
What is the pinworm species for which the perianal tape test may be diagnostic? Syphacia
Which bacteria is histologically visible between and parallel to the cilia of respiratory epithelium? CAR bacillus
What is the etiologic agent of rat-bite fever? Streptobacillus moniliformis
What is also known as Rat Coronavirus? Sialodacryoadenitis
What is a bacteria that induces chronic respiratory disease and a "cobblestone" appearance of the lungs? Mycoplasma pulmonis
What is the predilection for actively dividing cells? Parvoviruses
What is a zoonotic tapeworm in rats? Rodentolepis nana
What is a common tumor of aged rats? Pituitary adenoma
Created by: Acraft02
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