SuperTeacherTools

Other rodents Answer Key

Play This Game


Who am I?
#1 Chinchilla laniger
#2 Octodon degus
#3 Multimammate rat; Mastomys natalensis
#4 Praire vole; Microtus ochrogaster
#5 White footed deer mouse; Peromyscus leucopus
Name the Animal Model
#1 I am a common epilepsy model Gerbil
#2 I am a model for biliary physiology and gallstone formation. Black-tailed prairie dog
#3 I am monogamous and used to study pair bonding. Prairie voles
#4 I am a model of viral respiratory tract disease caused by paramyxoviruses. Cotton Rats
#5 I am used to investigate circadean rhythm behavior degu
Gerbil Biology
#1 ventral abdominal marking gland. Androgen dependent gland that attains a larger size in males
#2 Gestation period in the gerbil? 24-26 days in nonlactating; 27 days in lactating females
#3 What anatomical feature allows this animal to be a good stroke model? Incomplete circle of willis
#4 Dietary fat content should be below this level in gerbils. <4%; diets higher than this in fat can lead to high blood cholesterol
#5 T/F Gerbils require more frequent cage changes compared to other rodents. False, produce small amount of urine and require less freqent changes.
Diseases
#1 Cause of sore nose in gerbils. increased harderian gland secretion of porphyrins which act as a skin irritant. Underlying environmental causes may include humidity >50% or overcrowding
#2 Gerbils are known to be particularly susceptable to what bacterial GI pathogen. Clostridium piliforme, Tyzzers disease
#3 Neoplasia which affects the ventral marking gland in gerbils. Squamous cell carcinoma
#4 Fur slip;predator aviodance mechanism in chinchillas
#5 Common cause of upper respiratory clinical signs in a black tail prairie dog. Odontoma
Fun Facts
#1 Define diastema toothless interval between first incisor and cheek teeth
#2 T/F Administering pencillin-dihydrostreptomycin procaine combination to gerbils results in acute toxicity and mortality True, due to dihydrostreptomycin and can produce 80-100% mortality
#3 T/F Peromyscus sp. are susceptable to a variety of zoonotic agents and precautions should be taken prior to placing in animal facility. True, they can carry leptospirosis, hantavirus, Q fever, Hymenolepis spp.
#4 Name the two rodent suborders Sciurognathi and hystricognathi
#5 Name one characteristic all rodents share. highly specialized dentition for gnawing
Final Question
A common aural tumor in mongolian gerbils. Cholesteatoma