Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
VT 2100 The Rat
Lab Rat Needs
| Question | Answer |
|---|---|
| Order? | Rodentia |
| Define Murine | Refers to mice & rats |
| 2 common species of Rats | Rattus Rattus Rattus norvegicus |
| Common name of Rattus Rattus | Black Rat |
| Common name Rattus Norvegicus | Brown or Norway Rat |
| Majority of Lab rats are a Variety of this species.... | Rattus Norvegicus |
| Life span | 26-40 months |
| Weight | 267-500g (M) 225-325 (F) |
| Tail constitutes __% of body length | 85% |
| Tail Functions | Balance and Heat Loss |
| The lacrimal gland is called | Harderian Gland |
| The Harderian gland secretes | porphyrin |
| Term for porhyrin secretions in ill or stressed rats | Chromodacryorrhea |
| define hypsodontic | teeth that continuously grow |
| Which lung is smaller and singular lobed | Left |
| What are the four sections of the right lung lobe? | Cranial, middle, accessory, caudal |
| Define Hibernation Tissue | Brown fat |
| Hibernation Tissue provides __x the energy storage | 10x |
| Where is hibernation tissue found? | around the neck in between the scapulas |
| How many pairs of anterior vena cavas? | 2 |
| Rats have what type of stomachs? | Monogastric |
| The stomach is divided into ______ and ______ | glandular and nonglandular forestomach |
| define the limiting ridge | structure that separates the two sections of the stomach and covers the esophagus opening |
| What is responsible for the inability to vomit? | The limiting ridge |
| Define Hindgut fermenter | in small intestine contains cecum similar to rumen |
| Females have ___-___ pairs of mammary glands | 4-6 |
| Where are the mammary glands located? | the thoracic and inguinal regions |
| they have a _____ uterus | Bicornate |
| list research involved wit rats | Diabetes cataracts obesity immunology |
| Females are continuously in what stage of reproduction? | Polyesteous |
| How many estrous periods do they have? | 4-5 day |
| Postpartum estrous occurs when? | 20-24 hrs after parturition |
| When does weaning occur? | 3-4weeks |
| Puberty occurs when for females | 37-67 days |
| Puberty occurs when for males? | 40-75 days |
| Length of gestation | 21-23 Days |
| Litter size | 6-13 pups |
| Pups develop hair in | 7-10days |
| Pups ears open in | 3-5 days |
| Pups eyes open in | 7-14days |
| Pups eat solid food by the | end of second week |
| Vaginal plug made of | dried semen and vaginal secretions |
| how long does the vaginal plug last for? | 24 hours |
| What can the presence of a vaginal plug tell us? | confirms breeding |
| Define monogamous | 1 Female and 1 Male |
| define Polygamous | 1 male and 2+ Females |
| define Intensive reproduction | continuous housing of male and female |
| define Non-intensive reproduction | separate housing of male and females |
| Define Stock | randomly bred |
| define outbred | randomly bred |
| common outbred stocks are | Sprague-Dawley (SD) Long-Evans (LE) Winstar (WI) |
| When describing a stock what is used to separate the description and source | a colon |
| define strain | inbred |
| define inbred | at least 20 generations of bro sis or parent offspring |
| Goal of inbreeding | to develop a strain that are genetically homozygous |
| Common inbred strains are | Albany (ALB) Buffalo (BUF) |
| Strain is designated in..... | Upper case |
| A substrain follows a | slant line |
| Define Coisogenic | strain the develops from genetic mutation |
| define congenic | mutations transferred to another strain threw backcross mating |
| define hybrid | mating between two different inbred strains |
| define transgenic | removing DNA and inserting it into a ovum after fertilization |
| a group of rats is called a | Mischief |
| housing temp | 65-75 degrees |
| housing Humidity | 40-60% |
| cause of ring tail is | low humidity |
| Normal water consumption | 22-33ml/day |
| normal food consumption | 15-20g/day |
| pregnant or lactating require ___x more food | 4x |
| grabbing a rat by the tail causes a _____ injury | degloving |
| Restraint devices | boxes or cones |
| permanent ID systems | tattooing, ear punch/tag, microchpping |
| IV injections sites | Saphenous Jugular Femoral or latteral tail vein |
| most commonly used IV injection site | Lateral tail vein |
| _____ and _____ helps vessel visualization | Heat and vasodialtion oils |
| Which IV injections require anesthesia | saphenous, jugular, and femoral |
| SQ injection needle gauge | 21g or smaller |
| SQ injection site | scruff |
| IM injection site | quadriceps, gluteals, and triceps |
| IM injection needle gauge | 22g or smaller |
| IP injection site | spine in abdominal wall |
| define oral Gauge | feeding needle into esophagus for meds |
| how do you determine depth of anesthesia | toe pinch reflex |
| major concern with general anesthesia | hypothermia |
| total blood volume in rats | 50ml/kg |
| no more than ___% of blood can be taken | 10 |
| Small amounts of blood can be taken from | tail/toenail clip |
| large amounts of blood can be taken from | tail veins |
| general anesthesia requires blood collection from | retoorbital plexus jugular femoral |
| what type of tube is used for large amount of blood | EDTA |
| what type of tube is used for small amounts of blood | heparinized capillary tubes |
| caustive agent for murine respiratory mycoplasmosis | mycoplasma pulmonis |
| what helps control myco? | oxytetracycline in water |
| Common chronic bacterial infection | murine respiratory mycoplasmosis |
| disease reported in all lab animals | Tyzzer's disease |
| Caustive agent for tyzzer's disease | bacillus piliformis |
| Tyzzer's disease confirmed by | ELISA testing |
| Tyzzer's is transmitted by | gecal oral route |
| Clinical signs of Tyzzer's disease | anorexia and diarrhea |
| grey foci found on | liver, spleen, heart |
| Treatment of Tyzzer's disease | Tetracycline |
| Healthy rats harbor/carry what bacteria in the URT? | Pasterurellosis |
| Pasteurellosis clinical signs | UR infection abscesses |
| Treatment of Pasterurellosis | oxytetracuclin |
| What is found in the nasopharynx of healthy rats | streptovacillosis |
| Rat bite fever or hay fever also known as | streptobacillosis |
| Caustive agent of streptobacllosis | streptobacillus moniliformis |
| what disease can be transmited to humans from rat bites | streptobacillosis (ratbite/hay fever) |
| Signs of Sialodacryoadenitis | swollen salivary harderian glands cornea dessication |
| Most signification viral disease in rats | sialodacryoadenitis |
| What is subclinical in rats but can kill mouses | sendia virus |
| Aka Ringworm | Trichophyton mentagrophytes |
| Common Nematodes | Aspicularis Tetraptera Syphacia |
| Moniliformis | Thorny headed worm |
| Moniliformis | |
| The dwarf tape worm | Hymenolepis nana |
| Which parasite is zoonotic | Hymenolepis nana |
| Exceptable methods of euthanasia | Barbiturate overdose Co2 chamber Decapitation Exsanguination |
| What can be used in euthanasia if sedation cannot | Dip in liquid nitrogen |
| Husbandry related diseases | Fighting trauma Barbering Ringtail malocclusion |
Created by:
LittleLette
Popular Veterinary sets