LAT Training Manual: Unit 3 Review Exam (LAT 07-09)

If a room measures 460 square feet in area and has a width of 30 feet, what is the length of the room?

A) 20 ft

B) 16 ft

C) 12 ft

D) 8 ft

B) 16 ft

Which hormone raises the blood glucose level?

A) Thyroxine

B) Glucagon

C) Insulin

D) Calcitonin

B) Glucagon

Which statement is NOT a recommendation step for introducing pups to a foster mother?

A) Place a distractor, like food treats, in the cage when introducing the pups to the cage

B) Make sure the scent of the birth mother is on the pups

C) Check on, but do not disturb, the cage to make sure the foster mother accepts the pups

D) Clean gloves should be worn during the transfer

B) Make sure the scent of the birth mother is on the pups

How frequently is a drug administered that is marked TID?

A) One a day

B) Twice daily

C) Three times daily

D) Four times daily

C) Three times daily

What occurs during anestrus?

A) A female begins to react sexually to the male

B) An animal ages beyond breeding life

C) An animal has only one cycle per year

D) There is a long period between breeding seasons

Which type of muscle is found in the digestive and respiratory tracts?

A) Smooth

B) Skeletal

C) Striated

D) Cardiac

A) Smooth

Ligaments attach:

A) Bone to muscle

B) Muscle to muscle

C) Muscle to skin

D) Bone to bone

D) Bone to bone

What information is least likely to be included in breeding records?

A) Daily census

B) Litters born

C) Pedigrees

D) Matings

A) Daily census

Which term is defined as the observable or discernable characteristics of animals?

A) Mutation

B) Zygote

C) Phenotype

D) Genotype

C) Phenotype

The weights of five female hamsters were recorded: 101g, 103g, 108g, 105g, and 106g. What was the average weight of these animals?

A) 106.5g

B) 107.8 g

C) 103.8g

D) 104.6g

D) 104.6g

Which statement is true about the bursa of Fabricius?

A) It is a component of the blood circulation

B) It is present in mammals only

C) It produces B cells

D) It is present in the area of the neck

C) It produces B cells

How does the Whitten Effect assist in timed matings?

A) It increases the number of offspring in a litter

B) It causes superovulation

C) It makes the male a more aggressive breeder

D) It can produce a group of females for mating at one time

D) It can produce a group of females for mating at one time

What is the term that refers to an animal that differs from other animals of that strain by one mutant gene?

A) Inbred

B) Hybrid

C) Outbred

D) Coisogenic

D) Coisogenic

In mammals, phagocytosis is a process performed by which cells?

A) Lymphocytes

B) Granulocytes

C) Thrombocytes

D) Erythrocytes

B) Granulocytes

The imaginary line dividing the body in half symmetrically is called the ___ plane.

A) Median

B) Transverse

C) Coronal

D) Sagittal

A) Median

Where does digestion begin?

A) Stomach

B) Pharynx

C) Mouth

D) Esophagus

C) Mouth

Which term refers to giving birth?

A) Parturition

B) Gestation

C) Metestrus

D) Dystocia

A) Parturition

What is the most abundant type of blood cell?

A) Leukocytes

B) Erythrocytes

C) Thrombocytes

D) Monocytes

B) Erythrocytes

What is the structure in which neurons extending from the brain and neurons extending to the tissue are connected?

A) Axon

B) Dendrite

C) Ganglia

D) Synapse

D) Synapse

In fish, the Weberian apparatus is a part of which body system?

A) Digestive

B) Sensory

C) Integumentary

D) Respiratory

B) Sensory

What is hybrid breeding?

A) Breeding 2 females with 1 male

B) Breeding unrelated animals to maintain genetic variation

C) Breeding parents of different inbred strains

D) Breeding to produce minimal genetic variation

C) Breeding parents of different inbred strains

Which type of mutation are knockins and knockouts?

A) Amplification

B) Spontaneous

C) Chromosomal

D) Trageted

D) Targeted

What is NOT found in the dermal layer?

A) Cornified epithelium

B) Hair follicles

C) Connective tissue

D) Pigment cells

A) Cornified epithelium

Convert a 4.6% solution into mg/mL

A) 4.6 mg/mL

B) 0.46 mg/mL

C) 460 mg/mL

D) 46 mg/mL

D) 46 mg/mL

Muscles are attached to bone by:

A) Tendons

B) Ligaments

C) The hypodermis

D) The exoskeleton

A) Tendons

What is the correct order of vertebral regions from the head to the tail?

A) Thoracic, lumbar, sacral, cervical, coccygeal

B) Cervical, thoracic, lumbar, sacral, coccygeal

C) Coccygeal, sacral, lumbar, thoracic, cervical

D) Sacral, cervical, coccygeal, lumbar, thoracic

B) Cervical, thoracic, lumbar, sacral, coccygeal

Which blood cells are rarely found in the blood of healthy animals, but are numerous in association with inflammatory reactions?

A) Thrombocytes

B) Neutrophils

C) Basophils

D) Lymphocytes

What factor determines the right time to wean pups?

A) Age of the pups

B) Species, stock, and strain

C) Time of the next litter

D) Size of the pups

D) Size of the pups

The outer boundary of the cell is called the ___.

A) Plasma membrane

B) Organelle

C) Cytoplasm

D) Nucelus

A) Plasma membrane

What provides strength to the connective tissue found in tendons and ligaments?

A) Endothelium

B) Collagen

C) Hypodermis

D) Cartilage

B) Collagen

Form most animals, which nutrient is the only one that undergoes any noteworthy chemical digestion in the stomach?

A) Protein

B) Fat

C) Minerals

D) Carbohydrate

A) Protein

How many heart chambers do fish have?

A) 4

B) 1

C) 2

D) 3

C) 2

To reconstitute a 1-gram vial of a freeze-dried drug to yeild a 2% solution, what volume of diluent would you add?

A) 10 mL

B) 20 mL

C) 25 mL

D) 50 mL

D) 50 mL

What do the hormones produced in the anterior pituitary gland directly regulate?

A) Blood calcium concentration

B) The autonomic nervous system

C) Metabolic rate

D) Growth, metabolism, and other endocrine glands

D) Growth, metabolism, and other endocrine glands

What are different versions of the same gene called?

A) Genomes

B) Alleles

C) Chromosomes

D) DNAs

B) Alleles

Which statement is TRUE about pronuclear injection?

A) Genes are injected with a pipette directly into the cell

B) It uses embryonic stem cells

C) A sample of tissue is processed to extract the DNA from tissue cells

D) It is a system used to cryopreserve embryos that will later be used to found a colony

A) Genes are injected with a pipette directly into the cell

What endocrine gland is called the “master cell”?

A) Adrenal gland

B) Pituitary gland

C) Gonads

D) Thyroid gland

B) Pituitary gland

If 80 pounds of feed are needed each month and each bag weighs 15 pounds, how many bags must be delivered each month?

A) 6

B) 7

C) 5

D) 4

A) 6

Which is NOT a section of the vertebral column of a fish?

A) Lumbar column

B) Caudal column

C) Precaudal column

D) Weberian column

A) Lumbar column

How many mL are in 2 cc of a solution?

A) 1 mL

B) 22 mL

C) 2 mL

D) 20 mL

C) 2 mL

What is the largest artery in the body?

A) Vena cava

B) Aorta

C) Renal artery

D) Coronary artery

B) Aorta

Which movement is described by bending or folding (decreasing the angle)?

A) Flexion

B) Adduction

C) Rotation

D) Extension

A) Flexion

What does the epiglottis do?

A) Carries food to the esophagus

B) Filters impurities from the air

C) Protects the vocal chords

D) Prevents food from entering the trachea

D) Prevents food from entering the trachea

Which is NOT part of the appendicular skeleton?

A) Tail

B) Limbs

C) Pelvic girdle

D) Pectoral girdle

A) Tail

Which structure is NOT part of the endocrine system?

A) Thyroid

B) Pituitary gland

C) Pancreas

D) Gallbladder

D) Gallbladder

Which structure is part of a fish’s sensory system?

A) Precaudal vertebrae

B) Operculum

C) Urostyle

D) Weberian appartus

D) Weberian appartus

What are all the genes in an organism called?

A) Alleles

B) Chromosome

C) Genome

D) Genotype

C) Genome

The hormones epinephrine and norepinephrine are produced by the:

A) Adrenal medulla

B) Adrenal cortex

C) Parathyroid glands

D) Thyroid gland

A) Adrenal medulla

What is the name of the valve that is located between the right atrium and right ventricle?

A) Aortic valve

B) Mitral valve

C) Pulmonary valve

D) Tricuspid valve

D) Tricuspid valve