LAT Combined References Review Exam
Question & Answers 2025
According to the PHS policy, IACUC-approved research projects must be
reviewed how often? - CORRECT ANSWER ✔✔every 3 years
Which of the following is TRUE about tricaine methane sulfonate (MS-
222)? - CORRECT ANSWER ✔✔Most Aquatic species are euthanized
within 15 minutes of being exposed to the agent.
Convert a 4.6% (w/v) solution into mg/mL. - CORRECT ANSWER ✔✔46
mg/mL
Seminal fluid harvested from fish is known as _______. - CORRECT
ANSWER ✔✔Milt
How frequently does the USDA conduct inspections of research
facilities? - CORRECT ANSWER ✔✔Once a year
Which of the following is NOT a component of the veterinary care
program? - CORRECT ANSWER ✔✔Training of husbandry personnel
on changing cages
Animal Welfare Regulations for rabbits require: - CORRECT ANSWER
✔✔Cages to be sanitized once every 30 days.
, LAT Combined References Review Exam
Question & Answers 2025
Conductivity in a tank system must balance with the amount of ______
in the water so that osmosis into or out of the animals does not occur. -
CORRECT ANSWER ✔✔salts
Which type of cells break down pathogens that have been trapped in
the lymph nodes? - CORRECT ANSWER ✔✔macrophages
Which of the following is NOT considered a physical method of
euthanasia? - CORRECT ANSWER ✔✔Pentobarbital overdose
A facility houses rabbits in a suite of rooms. In each room, rabbits are
contained in a pen that occupies most of the floor space. Straws
bedding and nest boxes are scattered in the pen. What is primary
enclosure of these rabbits? - CORRECT ANSWER ✔✔The pen
QAU personnel should have the scientific expertise to be able to
interpret the experimental data and verify the validity of the results. -
CORRECT ANSWER ✔✔True
Which individual signs the PHS Animal Welfare Assurance on behalf of
an institution? - CORRECT ANSWER ✔✔Institutional Official
Which of these species is excluded from the Animal Welfare Act when
used for biomedical research? - CORRECT ANSWER ✔✔fish
Question & Answers 2025
According to the PHS policy, IACUC-approved research projects must be
reviewed how often? - CORRECT ANSWER ✔✔every 3 years
Which of the following is TRUE about tricaine methane sulfonate (MS-
222)? - CORRECT ANSWER ✔✔Most Aquatic species are euthanized
within 15 minutes of being exposed to the agent.
Convert a 4.6% (w/v) solution into mg/mL. - CORRECT ANSWER ✔✔46
mg/mL
Seminal fluid harvested from fish is known as _______. - CORRECT
ANSWER ✔✔Milt
How frequently does the USDA conduct inspections of research
facilities? - CORRECT ANSWER ✔✔Once a year
Which of the following is NOT a component of the veterinary care
program? - CORRECT ANSWER ✔✔Training of husbandry personnel
on changing cages
Animal Welfare Regulations for rabbits require: - CORRECT ANSWER
✔✔Cages to be sanitized once every 30 days.
, LAT Combined References Review Exam
Question & Answers 2025
Conductivity in a tank system must balance with the amount of ______
in the water so that osmosis into or out of the animals does not occur. -
CORRECT ANSWER ✔✔salts
Which type of cells break down pathogens that have been trapped in
the lymph nodes? - CORRECT ANSWER ✔✔macrophages
Which of the following is NOT considered a physical method of
euthanasia? - CORRECT ANSWER ✔✔Pentobarbital overdose
A facility houses rabbits in a suite of rooms. In each room, rabbits are
contained in a pen that occupies most of the floor space. Straws
bedding and nest boxes are scattered in the pen. What is primary
enclosure of these rabbits? - CORRECT ANSWER ✔✔The pen
QAU personnel should have the scientific expertise to be able to
interpret the experimental data and verify the validity of the results. -
CORRECT ANSWER ✔✔True
Which individual signs the PHS Animal Welfare Assurance on behalf of
an institution? - CORRECT ANSWER ✔✔Institutional Official
Which of these species is excluded from the Animal Welfare Act when
used for biomedical research? - CORRECT ANSWER ✔✔fish
