LABORATORY ANIMAL SCIENCE (LAS)
FINAL VERSION 3 EXAM 2025/2026 WITH
ACTUAL CORRECT QUESTIONS AND
VERIFIED DETAILED ANSWERS
|FREQUENTLY TESTED QUESTIONS AND
SOLUTIONS |ALREADY GRADED
A+|NEWEST|BRAND NEW
VERSION!!|GUARANTEED PASS
which structure is normally in the thorax of mammals and is not found in the thoracic cavity of
immature guinea pigs?
thymus
Which thin-walled structure is very large and occupies most of the central and left portion of
the abdominal cavity of guinea pigs?
cecum
Which feature of the guinea pig allows for easy examination of the microcirculation of the ear?
large tympanic bullae
Because the guinea pigs' need of vitamin C mimics primate physiology, they are often used as
animal models for:
nutritional research
Which is a serious condition that usually occurs in pregnant sows that are stressed or obese?
pregnancy toxemia
Which route of medicine administration is rarely done in guinea pigs and can only be done with
sedation or anesthesia?
intravenous (IV)
1|Page
,Which is a unique feature found in leukocytes of guinea pigs?
kurloff bodies
Which type of unique white blood cell (WBC) found in guinea pigs is believed to be analogous to
large granular lymphocytes or nature killer cells in other species?
Kurloff cells
Which herpes virus causes oral ulcers in humans, but can be fatal in some species of NHP's?
H.hominis
Which piece of PPS is not part of the minimum that a handler must wear when handling a NHP?
Disposable gown
What is the only acceptable methos of euthanasia of NHP's?
Barbiturate overdose
Which is not a vein that is used for blood collection in NHP's?
jugular
Most NHP behavior arises from natural instinct
False
Well trained nonhuman primates are more stressed but less dangerous for human to handle
and work with.
False
Personal protective equipment is no longer necessary when handling primates that have been
released from quarantine
False
Which feature of most OWPs is a hard, kerantinized pad on the buttocks?
lschial callosities
Which species of primates is most commonly used in biomedical research?
Rhesus monkey
What percentage of animals used in biomedical research are primates?
<0.025%
2|Page
, Which of the following is related to the Ebola virus?
simian hemorrhagic fever
What was established in 1974 in an effort to control the use of NWPs in biomedical research?
Interagency primate steering committee
When large volumes of medication are needed in NHP's or if the animal need continual infusion
of medications or fluids, which is the best option for delivery?
Vascular access port
Which mating system should be used if the exact gestational age must be known?
Timed mating
Caretakers are often given a vaccine to prevent which infection?
Hepatitis B
Which of the following requires that research facilities develop and implement plans to promote
the well-being of the NWPs species in their care?
AWA
Which is disease is caused by obligate intrecellular parasites that are transmitted by a mosquito
vector?
Malaria
Which of these is a significant concern when handling and restraining primates?
safety of the handler
In many facilities, an incoming primate must have five negative tests for which disease before it
can leave quarantine?
Tuberculosis
Diets for primates must contain which vitamin?
C
Which behavior serves as a method of communication and may also serve to strengthen the
social organization of primates?
Allogrooming
3|Page
FINAL VERSION 3 EXAM 2025/2026 WITH
ACTUAL CORRECT QUESTIONS AND
VERIFIED DETAILED ANSWERS
|FREQUENTLY TESTED QUESTIONS AND
SOLUTIONS |ALREADY GRADED
A+|NEWEST|BRAND NEW
VERSION!!|GUARANTEED PASS
which structure is normally in the thorax of mammals and is not found in the thoracic cavity of
immature guinea pigs?
thymus
Which thin-walled structure is very large and occupies most of the central and left portion of
the abdominal cavity of guinea pigs?
cecum
Which feature of the guinea pig allows for easy examination of the microcirculation of the ear?
large tympanic bullae
Because the guinea pigs' need of vitamin C mimics primate physiology, they are often used as
animal models for:
nutritional research
Which is a serious condition that usually occurs in pregnant sows that are stressed or obese?
pregnancy toxemia
Which route of medicine administration is rarely done in guinea pigs and can only be done with
sedation or anesthesia?
intravenous (IV)
1|Page
,Which is a unique feature found in leukocytes of guinea pigs?
kurloff bodies
Which type of unique white blood cell (WBC) found in guinea pigs is believed to be analogous to
large granular lymphocytes or nature killer cells in other species?
Kurloff cells
Which herpes virus causes oral ulcers in humans, but can be fatal in some species of NHP's?
H.hominis
Which piece of PPS is not part of the minimum that a handler must wear when handling a NHP?
Disposable gown
What is the only acceptable methos of euthanasia of NHP's?
Barbiturate overdose
Which is not a vein that is used for blood collection in NHP's?
jugular
Most NHP behavior arises from natural instinct
False
Well trained nonhuman primates are more stressed but less dangerous for human to handle
and work with.
False
Personal protective equipment is no longer necessary when handling primates that have been
released from quarantine
False
Which feature of most OWPs is a hard, kerantinized pad on the buttocks?
lschial callosities
Which species of primates is most commonly used in biomedical research?
Rhesus monkey
What percentage of animals used in biomedical research are primates?
<0.025%
2|Page
, Which of the following is related to the Ebola virus?
simian hemorrhagic fever
What was established in 1974 in an effort to control the use of NWPs in biomedical research?
Interagency primate steering committee
When large volumes of medication are needed in NHP's or if the animal need continual infusion
of medications or fluids, which is the best option for delivery?
Vascular access port
Which mating system should be used if the exact gestational age must be known?
Timed mating
Caretakers are often given a vaccine to prevent which infection?
Hepatitis B
Which of the following requires that research facilities develop and implement plans to promote
the well-being of the NWPs species in their care?
AWA
Which is disease is caused by obligate intrecellular parasites that are transmitted by a mosquito
vector?
Malaria
Which of these is a significant concern when handling and restraining primates?
safety of the handler
In many facilities, an incoming primate must have five negative tests for which disease before it
can leave quarantine?
Tuberculosis
Diets for primates must contain which vitamin?
C
Which behavior serves as a method of communication and may also serve to strengthen the
social organization of primates?
Allogrooming
3|Page
