BANK| 2 VERSIONS (VERSION A & B) WITH COMPLETE
500 REAL EXAM QUESTIONS AND CORRECT VERIFIED
ANSWERS/ ALREADY GRADED A+| AALAS
LABORATORY ANIMAL TECHNICIAN CERTIFICATION
EXAM PREP (MOST RECENT!!)
Question 1
What is the normal gestation period for a mouse (Mus
musculus)?
A. 16–17 days
B. 19–21 days
C. 28–32 days
D. 60–65 days
Correct Answer: B
Rationale: Mice have a gestation period of approximately 19–
21 days (average 20 days). Rats are 21–23 days, hamsters 16
days, guinea pigs 68 days.
Question 2
What is the normal body temperature range for an adult
1
,rabbit?
A. 36.0–37.5°C (96.8–99.5°F)
B. 38.5–40.0°C (101.3–104.0°F)
C. 37.5–39.0°C (99.5–102.2°F)
D. 35.0–36.5°C (95.0–97.7°F)
Correct Answer: B
Rationale: Rabbits have a normal temperature of 38.5–40.0°C
(101.3–104.0°F). Mice/rats 36-38°C, humans 37°C.
Question 3
Which of the following is a characteristic of a Sprague-Dawley
rat?
A. Albino, outbred stock used widely in toxicology
B. Hairless, immunodeficient
C. Pigmented, inbred strain
D. Long-haired, used for dermatology
Correct Answer: A
Rationale: Sprague-Dawley is a common outbred albino rat
used in toxicology, pharmacology, and general research. Wistar
and Long-Evans are also common.
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,Question 4
What is the average heart rate of a normal adult mouse?
A. 100–150 beats per minute
B. 250–350 beats per minute
C. 500–700 beats per minute
D. 1000–1200 beats per minute
Correct Answer: C
Rationale: Mice have a very high heart rate (500–700 bpm).
Rats: 300–500 bpm, rabbits: 150–300 bpm, dogs: 60–140
bpm.
Question 5
What is the average daily water consumption for a typical
adult rat?
A. 5–10 mL/day
B. 20–40 mL/day
C. 50–70 mL/day
D. 100–150 mL/day
Correct Answer: B
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, Rationale: Adult rats(250-400g) drink approximately20-40 p. p. p. p. p. p.
p. mL/day(about80-100mL/kg/day).Micedrink4-7 mL/day.
p. p. p. p. p. p. p.
Question 6 p.
Which sex of rat has a greater anogenital distance (AGD)?
p. p. p. p. p. p. p. p. p.
A. Female (shorter AGD) p. p.
B. Male (longer AGD) p. p.
C. Both are equal p. p.
D. Depends on strain p. p.
Correct Answer: B p. p.
Rationale: Male rats have a distinctly longer anogenital distance
p. p. p. p. p. p. p. p.
p. (distance between anus and genital papilla) compared to females.
p. p. p. p. p. p. p. p.
p. This is used for sexing.
p. p. p. p.
Question 7 p.
What is the normal lifespan of a C57BL/6 mouse under standard
p. p. p. p. p. p. p. p. p. p.
laboratory conditions?
p. p.
A. 6–12 months p.
B. 18–24 months p.
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