1|Page
LABORATORY ANIMAL SCIENCE (LAS) FINAL EXAM
VERSION 2 LATEST 2025 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||SURE PASS|| ||BRANDNEW!!!||
The 3 R's represent the three alternative methods for
ensuring the welfare of laboratory animals. We will use a
topical pain relief medication (proparacaine) while
performing venipuncture on rabbits. Which of the 3 R's
does this pre-treatment address? - Answer-Refinement
A female mouse delivers a litter of 8 mouse pups. Three
days later, while handling the juvenile mice for the first
time, the institution's technician is surprised to identify a
prominent white area under the skin on the left ventral
abdomen of the first pup. Should the technician be
concerned? Why or why not - Answer-It is not worrisome
as it is a milk spot
What is chromodacryorrhea?
When might you see this condition? - Answer-Excessive
red tears from prophyrin
When an animal gets stressed or ill.
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What is a conventional facility? - Answer-Consist of animal
rooms and support areas that have single doors opening
onto a central corridor. Normal sanitation measures are
taken. Double-Corridor Facility. Sometime referred to as a
clean/dirty facility.
Mycoplasma pulmonis is what type of pathogen?What
species is it relatively common in? - Answer-Bacteria
Rat
Which species has issues with malocclusion? - Answer-
Mice, Rats, Hamsters, Guinea Pigs, Gerbils, and
Chinchillas
In which species is Vitamin C an essential nutrient? -
Answer-Guinea Pig
Which species has cheek pouches? - Answer-Hamsters
How is malocclusion prevented? - Answer-Providing
proper chewing materials.
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What are the macronutrients? - Answer-Carbohydrates, fat
and protein
Of the macronutrients which has the most energy per unit
of measurement? - Answer-Fats
What is an essential nutrient? - Answer-Those that must
be provided in the diet
What value in biological research are cheek pouches? -
Answer-A biological difference existed between malignant
and nonmalignant tissues
What is a transport cage? - Answer-A small portable
boxes, crates, or cages used to transport small animals
What is the AWA? - Answer-Animal Welfare Act
What governing body oversees the AWA? - Answer-The
United States Department of Agriculture (USDA) and
Animal and Plant Health Inspection Service (APHIS)
LABORATORY ANIMAL SCIENCE (LAS) FINAL EXAM
VERSION 2 LATEST 2025 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||SURE PASS|| ||BRANDNEW!!!||
The 3 R's represent the three alternative methods for
ensuring the welfare of laboratory animals. We will use a
topical pain relief medication (proparacaine) while
performing venipuncture on rabbits. Which of the 3 R's
does this pre-treatment address? - Answer-Refinement
A female mouse delivers a litter of 8 mouse pups. Three
days later, while handling the juvenile mice for the first
time, the institution's technician is surprised to identify a
prominent white area under the skin on the left ventral
abdomen of the first pup. Should the technician be
concerned? Why or why not - Answer-It is not worrisome
as it is a milk spot
What is chromodacryorrhea?
When might you see this condition? - Answer-Excessive
red tears from prophyrin
When an animal gets stressed or ill.
,2|Page
What is a conventional facility? - Answer-Consist of animal
rooms and support areas that have single doors opening
onto a central corridor. Normal sanitation measures are
taken. Double-Corridor Facility. Sometime referred to as a
clean/dirty facility.
Mycoplasma pulmonis is what type of pathogen?What
species is it relatively common in? - Answer-Bacteria
Rat
Which species has issues with malocclusion? - Answer-
Mice, Rats, Hamsters, Guinea Pigs, Gerbils, and
Chinchillas
In which species is Vitamin C an essential nutrient? -
Answer-Guinea Pig
Which species has cheek pouches? - Answer-Hamsters
How is malocclusion prevented? - Answer-Providing
proper chewing materials.
, 3|Page
What are the macronutrients? - Answer-Carbohydrates, fat
and protein
Of the macronutrients which has the most energy per unit
of measurement? - Answer-Fats
What is an essential nutrient? - Answer-Those that must
be provided in the diet
What value in biological research are cheek pouches? -
Answer-A biological difference existed between malignant
and nonmalignant tissues
What is a transport cage? - Answer-A small portable
boxes, crates, or cages used to transport small animals
What is the AWA? - Answer-Animal Welfare Act
What governing body oversees the AWA? - Answer-The
United States Department of Agriculture (USDA) and
Animal and Plant Health Inspection Service (APHIS)
