AALAS LAT LATEST 2026 EXAM QUESTIONS AND
ANSWERS RATED A+
✔✔What process can be used to preserve a genetic line by freezing embryos?
a. Quarantine
b. Rederivation
c. Recombination
d. Cryopreservation - ✔✔d. Cryopreservation
✔✔What are different versions of the same genes called?
a. Alleles
b. Chromosomes
c. DNAs
d. Genomes - ✔✔a. Alleles
✔✔What is the individual when both genes at the same locus on a chromosome pair
are different?
a. Heterozygous
b. Homozygous
c. Chimera
d. Wild type - ✔✔a. Heterozygous
✔✔What is the term used to describe a situation where new genes are inserted by a
targeted mutation?
a. Rederived
b. Hemizygous
c. Knockin
d. Wild type - ✔✔c. Knockin
✔✔What is the term for induction of an increased number of eggs that mature and are
released from the ovaries simultaneously?
a. Gonatotropins
b. Superovulation
c. Induced ovulation
d. Polyestrus - ✔✔b. Superovulation
✔✔What is the process called when fertilized eggs or embryos are taken from a female
and implanted into a female who has been tested and found free of pathogens?
a. Recombination
b. Replication
c. In vitro fertilization
d. Rederivation - ✔✔d. Rederivation
✔✔What is the formula for the area of a room or cage?
,a. area = length x width x height
b. area = length x width
c. area = length squared x width squared
d. area = length ÷ width - ✔✔b. area = length x width
✔✔What is the prescription for drug dose, frequency, and duration called?
a. Dose
b. Dosage
c. Dosage regimen
d. Drug administration - ✔✔c. Dosage regimen
✔✔What is the route of administration for a drug prescribed to be given ID?
a. Intravenous
b. Intramuscular
c. Subcutaneous
d. Intradermal - ✔✔d. Intradermal
✔✔How many times a day would you administer a drug prescribed to be given QID?
a. 1 time
b. 2 times
c. 3 times
d. 4 times - ✔✔d. 4 times
✔✔What is the average amount of feed eaten by a nonhuman primate over a 3-day
period if the amount
of feed consumed over those days was 492 g, 499 g, and 500 g?
a. 497 g
b. 629 g
c. 746 g
d. 1492 g - ✔✔a. 497 g
(492 g + 499 g + 500 g) ÷ 3 = 497 g
✔✔How much does a 30 lb dog weigh in kg? (Conversion factor: 2.2 lb/kg)
a. 7.32 kg
b. 13.64 kg
c. 30.00 kg
d. 66.00 kg - ✔✔b. 13.64 kg
30 lb ÷ 2.2 lb/kg = 13.64 kg
✔✔What is the height of a cage in centimeters (cm) that is 18 inches? (Conversion
factor: 2.54 cm/in)
a. 7.1 cm
b. 12.6 cm
, c. 32.0 cm
d. 45.7 cm - ✔✔d. 45.7 cm
18 in x 2.54 cm/in = 45.7 cm height
✔✔If a bag of feed weighs 15 kg and costs $50, what is the cost per kg?
a. $2.30
b. $3.33
c. $5.91
d. $7.50 - ✔✔b. $3.33
cost ÷ weight = cost per unit of weight;
$50 ÷ 15 kg = $3.33 per kg of food
✔✔An animal facility with 22 sheep feeds 1.5 kg of feed per sheep each day. How many
50 lb bags of
feed would you need each week? (Conversion factor: 2.2 lb/kg)
a. 10.2
b. 15.5
c. 33.0
d. 50.8 - ✔✔a. 10.2
Number of animals x feed per day = daily feed required
Daily feed required x 7 days = weekly feed required
Weekly feed required ÷ amount of feed in bag = # of bags per week
22 sheep x 1.5 kg feed = 33 kg feed per day
33 kg x 7 days = 231 kg per week
231 per week x 2.2 lb/kg = 508.2 lb feed per week
508.2 lb ÷ 50 lb per bag = 10.2 bags per week
✔✔Calculate the area of a cage that is 10 in wide x 28 in long.
a. 82 sq in
b. 120 sq in
c. 200 sq in
d. 280 sq in - ✔✔d. 280 sq in
area = length x width; area = 28 in x 10 in = 280 sq in (280 in^2) area
✔✔A prescribed medication has a concentration of 50 mg/mL. How many milliliters (mL)
of medication
should a 500 g guinea pig receive if the dosage is 10 mg/kg?
a. 0.1 mL
b. 0.3 mL
c. 0.5 mL
d. 5.0 mL - ✔✔a. 0.1 mL
ANSWERS RATED A+
✔✔What process can be used to preserve a genetic line by freezing embryos?
a. Quarantine
b. Rederivation
c. Recombination
d. Cryopreservation - ✔✔d. Cryopreservation
✔✔What are different versions of the same genes called?
a. Alleles
b. Chromosomes
c. DNAs
d. Genomes - ✔✔a. Alleles
✔✔What is the individual when both genes at the same locus on a chromosome pair
are different?
a. Heterozygous
b. Homozygous
c. Chimera
d. Wild type - ✔✔a. Heterozygous
✔✔What is the term used to describe a situation where new genes are inserted by a
targeted mutation?
a. Rederived
b. Hemizygous
c. Knockin
d. Wild type - ✔✔c. Knockin
✔✔What is the term for induction of an increased number of eggs that mature and are
released from the ovaries simultaneously?
a. Gonatotropins
b. Superovulation
c. Induced ovulation
d. Polyestrus - ✔✔b. Superovulation
✔✔What is the process called when fertilized eggs or embryos are taken from a female
and implanted into a female who has been tested and found free of pathogens?
a. Recombination
b. Replication
c. In vitro fertilization
d. Rederivation - ✔✔d. Rederivation
✔✔What is the formula for the area of a room or cage?
,a. area = length x width x height
b. area = length x width
c. area = length squared x width squared
d. area = length ÷ width - ✔✔b. area = length x width
✔✔What is the prescription for drug dose, frequency, and duration called?
a. Dose
b. Dosage
c. Dosage regimen
d. Drug administration - ✔✔c. Dosage regimen
✔✔What is the route of administration for a drug prescribed to be given ID?
a. Intravenous
b. Intramuscular
c. Subcutaneous
d. Intradermal - ✔✔d. Intradermal
✔✔How many times a day would you administer a drug prescribed to be given QID?
a. 1 time
b. 2 times
c. 3 times
d. 4 times - ✔✔d. 4 times
✔✔What is the average amount of feed eaten by a nonhuman primate over a 3-day
period if the amount
of feed consumed over those days was 492 g, 499 g, and 500 g?
a. 497 g
b. 629 g
c. 746 g
d. 1492 g - ✔✔a. 497 g
(492 g + 499 g + 500 g) ÷ 3 = 497 g
✔✔How much does a 30 lb dog weigh in kg? (Conversion factor: 2.2 lb/kg)
a. 7.32 kg
b. 13.64 kg
c. 30.00 kg
d. 66.00 kg - ✔✔b. 13.64 kg
30 lb ÷ 2.2 lb/kg = 13.64 kg
✔✔What is the height of a cage in centimeters (cm) that is 18 inches? (Conversion
factor: 2.54 cm/in)
a. 7.1 cm
b. 12.6 cm
, c. 32.0 cm
d. 45.7 cm - ✔✔d. 45.7 cm
18 in x 2.54 cm/in = 45.7 cm height
✔✔If a bag of feed weighs 15 kg and costs $50, what is the cost per kg?
a. $2.30
b. $3.33
c. $5.91
d. $7.50 - ✔✔b. $3.33
cost ÷ weight = cost per unit of weight;
$50 ÷ 15 kg = $3.33 per kg of food
✔✔An animal facility with 22 sheep feeds 1.5 kg of feed per sheep each day. How many
50 lb bags of
feed would you need each week? (Conversion factor: 2.2 lb/kg)
a. 10.2
b. 15.5
c. 33.0
d. 50.8 - ✔✔a. 10.2
Number of animals x feed per day = daily feed required
Daily feed required x 7 days = weekly feed required
Weekly feed required ÷ amount of feed in bag = # of bags per week
22 sheep x 1.5 kg feed = 33 kg feed per day
33 kg x 7 days = 231 kg per week
231 per week x 2.2 lb/kg = 508.2 lb feed per week
508.2 lb ÷ 50 lb per bag = 10.2 bags per week
✔✔Calculate the area of a cage that is 10 in wide x 28 in long.
a. 82 sq in
b. 120 sq in
c. 200 sq in
d. 280 sq in - ✔✔d. 280 sq in
area = length x width; area = 28 in x 10 in = 280 sq in (280 in^2) area
✔✔A prescribed medication has a concentration of 50 mg/mL. How many milliliters (mL)
of medication
should a 500 g guinea pig receive if the dosage is 10 mg/kg?
a. 0.1 mL
b. 0.3 mL
c. 0.5 mL
d. 5.0 mL - ✔✔a. 0.1 mL
