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42 Cards in this Set
- Front
- Back
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What order is the rat from?
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Rodentia
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What family is the rat from?
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Muridae
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What two species is the rat from?
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Rattus rattus - black
Rattus norigious - Norway |
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How many digits are on the rats front feet? Rear feet?
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Front - 4
Rear - 5 |
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Where is the Harderian gland?
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behind the eye
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What does the Harderian gland do?
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lubricates the eye
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What is the teeth anatomy of the rat?
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I - 1
M - 2-3 |
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What does hypsodontic mean?
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teeth at the same height
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What are some characteristics of the rat mouth and teeth?
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>enamel only on front
>chisel like teeth >powerful jaw muscles >softer dentin in back gets worn down |
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The rats space between incisior and molars is called?
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Diastema
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What is the lung anatomy in the rat?
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1 left lobe
4 right lobes |
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What type of stomach does the rat have?
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monogastric
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The rat has a _____ way stomach.
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one
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How many pairs of mammary glands does the female rat have?
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4-6 pairs
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The mammary glands run ______ to _______.
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thoraic to inguinal
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The rats uterus is ________.
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Bicornuate (2 horns)
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The male rat has an ______ inguinal canal.
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open
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Female rats reach puberty at what age?
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37-67 days
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Male rats reach puberty at what age?
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40-75 days
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What is the gestation period of the rat?
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22 days
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How many pups do rats normally have?
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6-12 pups
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When do rat pups ears open?
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3-5 days
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When do rat pups ears open?
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7-14 days
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When do rat pups start getting hair?
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7-10 days
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When do rat pups start eating solid food?
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3 weeks
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What is strain genetics?
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>inbreed
>generation of sibling mating >parent/offspring mating >genetically homogenous |
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What is stock genetics?
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outbred
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What is the best temperature for the rats environment?
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65-75 (72 best)
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What is the ideal humidity in a rats environment?
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40-60%
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Noise could cause what in rats?
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>audiogenic seizures
>cannibalism >depressed reproduction |
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What is the normal consumption of water in a rat?
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13-20ml/100g/day
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What is the normal consumption of food in a rat?
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5g/100g/day
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Pregnant or lactating rats should get ____ the caloric need.
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4x
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What is the max volume that can be given IV to a rat?
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5ml/kg
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All IV injections should be done under anesthesia except_______.
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lateral tail
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What is the max dose to be injected SQ in a rat?
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5ml/kg
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What is the max dose to be injected IM in a rat?
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0.1ml/site
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What is the max dose to be injected IP in a rat?
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10ml/kg
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What is the total volume of blood that can be drawn from a rat?
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50ml/kg
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What is the normal TPR of the rat?
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T - 99.9
P - 313-493 R - 71-146 |
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What is a chronic respiratory disease that rats get?
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Murine respiratory mycoplasmosis
>Mycoplasma pulmonis |
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What are the clincal signs of murine respiratory mycoplasmosis?
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>ocular & nasal discharge
>snuffling, sneezing >moist rales >increased RR >labored breathing >otitis media |
