WorksheetsSECTION 1 & 2: Overview and Types of Scientific Research
Total questions: 96
Worksheet time: 48mins
Which statement best captures the primary goal of basic research in the health sciences?
Validate safety of an approved therapy
Develop a market-ready clinical intervention
Optimize hospital workflow and logistics
Expand knowledge about biological mechanisms
Which example aligns most closely with basic research methods commonly used to study biology?
Community health outreach programs
Insurance claims mining
Phase III trials in patients
Cell cultures for pathway exploration
Which feature is a common reason animals are selected as research models?
Infinite lifespan for long studies
Guaranteed zero ethical concerns
Physiological similarity to humans
Identical genomes across all species
Which contribution is a documented outcome of animal research in medicine?
Development of vaccines like polio
Replacement of clinical trials entirely
Discovery of astrology-based cures
Elimination of all surgical risks
Which statement differentiates applied research from basic research?
Rejects knowledge expansion as a goal
Prohibits use of computational models
Targets a specific biomedical problem
Avoids all experiments with organisms
A team uses computer simulations to understand viral replication without immediate patient application. Which research type fits best?
Quality improvement in hospitals
Clinical research testing therapies
Basic research focusing on mechanisms
Public health surveillance study
Which rationale supports using controlled genetics in animal models?
Guarantee faster approval of new drugs
Ensure identical clinical outcomes in humans
Reduce biological variability across subjects
Replace regulatory oversight entirely
Which scenario illustrates applied research in biomedicine?
Designing a targeted therapy to block a pathway
Mapping cellular metabolism across species
Modeling protein folding without clinical aims
Cataloging microorganisms in soil ecosystems
Which setting qualifies as clinical research in drug development?
Bench tests on inert materials
Experiments on live animals or humans
Field surveys of consumer opinions
Simulations using computer models only
Before a new drug is approved, what must occur?
Certification by hospital boards
FDA-required clinical research
Approval from insurance providers
Peer review by journal editors
Which activity is part of clinical research?
Ethnographic studies of culture
Behavioral assessments in subjects
Market analysis of price points
Calibration of lab equipment
What distinguishes a control group from an experimental group?
Receives placebo or no treatment
Has larger sample size always
Includes only healthy volunteers
Uses more advanced diagnostics
Which statement best defines an experimental group?
Receives treatment or intervention
Is blinded to study purpose
Is matched by demographics
Is analyzed with meta‑analysis
Which is an intrinsic variable in animal or human studies?
Diet provided by staff
Age of the subject
Light cycle in vivarium
Room temperature during trials
Which item is an extrinsic variable?
Species used in the study
Genetic background of subjects
Environmental housing conditions
Biological sex of participants
A researcher wants to minimize bias from extrinsic variables. Which strategy is most appropriate?
Select only one biological sex
Increase placebo dosage levels
Randomize and standardize environment
Alter subjects’ genetic traits
Which item is a housing or environmental variable that can affect laboratory animal studies?
Drug dose selected for treatment
Route used to administer medication
Temperature within the animal room
Feeding schedule timing variations
Which factor is classified as a dietary variable rather than an experimental variable?
Restraint method used during procedures
Water quality provided to animals
Route of drug administration chosen
Anesthesia techniques applied
Which option best fits under experimental variables in a preclinical study?
Food composition offered daily
Humidity maintained in housing
Drug dose assigned per subject
Noise levels in the room
A research team wants to reduce confounding. Which adjustment targets a housing variable?
Match feeding schedules across cages
Control lighting cycles consistently
Standardize anesthesia techniques used
Fix the route of administration used
Which species category is covered under the Animal Welfare Act (AWA)?
All cold-blooded vertebrates
Guinea pigs used in studies
Rats bred specifically for research
Birds bred for laboratory research
Which animal group is exempt from AWA coverage according to federal definitions?
Rabbits housed for testing
Primates used in behavioral trials
Birds bred specifically for research
Hamsters in breeding colonies
You are designing a dosing study. Which choice reflects a controllable experimental variable that directly affects pharmacologic exposure?
Drug dose magnitude per animal
Feeding schedule before dosing
Humidity setpoint in the vivarium
Handling differences among technicians
Which facility obligation is specifically aimed at canine well-being under AWA requirements?
Environmental enrichment for dogs
Daily outdoor exercise for every species
Behavioral training for all species
Expanded kennel size for all animals
How often must the IACUC conduct facility inspections?
Every 3 months
Every 12 months
Every month
Every 6 months
Which trio represents the required IACUC membership composition?
Scientist, compliance officer, non-scientist
Veterinarian, animal technician, ethicist
Two scientists, one administrator, veterinarian
Veterinarian, non-scientist, scientist
What authority does the IACUC hold regarding institutional decisions?
It advises, but administrators have final say
It can be overruled by the attending veterinarian
It enforces policies only during inspections
Its decisions cannot be overridden by administrators
Which requirement addresses primate mental health in research settings?
Daily cognitive testing sessions
Psychological well-being for primates
Species-specific sedation protocols
Enhanced group housing policies
What is the primary aim of the Three Rs principle of Replacement?
Use non-animal methods when possible
Reduce the number of animals used
Refine techniques to minimize pain
Replace dogs with farm animals
Which IACUC role ensures humane endpoints and adequate anesthesia?
The attending administrator
The committee as a whole during protocol review
The non-scientist member independently
External auditors on annual visits
Under AWA, which of the following is a facility-level requirement related to documentation?
Open-access data repositories
Daily publication of animal counts
Public posting of all protocols
Comprehensive recordkeeping
Which action best represents the Reduction principle in humane research?
Use the minimum number of animals required
Replace animals with computer modeling when feasible
Increase sample size to improve statistical power
Modify procedures to reduce stress and pain
What is the primary goal of the Refinement principle?
Decrease total study duration
Modify procedures to reduce stress and pain
Separate clean and dirty hallways
Require shower-in for all staff
A conventional facility is characterized by which design feature?
Air exits through HEPA sterilization
Autoclave-only sterile supply entry
Two hallways with clean–dirty separation
Single hallway with no clean–dirty separation
Which facility design reduces contamination risk by separating traffic flow?
Barrier facility with airlocks only
Double-corridor facility with two hallways
Conventional facility with one hallway
Containment facility at highest biosafety
In a barrier facility, which practice is standard for maintaining sterility?
Shower-in required for all personnel
Two hallways separating clean and dirty
Unfiltered air exits the building
Reusable street clothing for staff
Which facility type is intended to house infectious or zoonotic organisms?
Conventional facility for routine housing
Double-corridor with separated hallways
Barrier facility with disposable clothing
Containment facility with highest biosafety
Air leaving the building is filtered or sterilized in which setting?
Double-corridor laboratory
Containment facility
Conventional animal facility
Barrier housing unit
Shoebox cages for rodents are best described as what within laboratory housing?
Least common enclosure type
Used only in barrier facilities
Most common caging option
Specialized for containment only
Which feature best characterizes suspended cages used for laboratory animals?
Wire mesh with excellent ventilation
Heavy plastic walls with filters
Solid bottom with deep bedding
Sealed sides for maximum insulation
What is a known drawback of suspended cages compared to solid-bottom cages?
Inadequate space for enrichment devices
Poor microenvironment, drafty and stressful
Excessive accumulation of bedding materials
Higher risk of fecal–urine mixing
Metabolism cages are specifically designed to do which of the following?
Separate urine and feces for collection
Provide large group housing spaces
Offer enclosed, quiet resting areas
Enable long-distance animal transport
Select the study most appropriately conducted using metabolism cages.
Hydration balance assessments
Long-term transport tolerance
Behavioral social bonding tests
Endurance running performance
Transport cages are best described by which combination of features?
Used for moving animals only, short-term use
Optimized for breeding, long-term housing
High ventilation, stable microenvironment
Large enrichment capacity, permanent housing
Which statement about transport cages is most accurate for planning a shipment?
They provide limited ventilation and are short-term
They offer excellent ventilation for long-term use
They are equipped with running wheels for rodents
They prevent urine–feces mixing during studies
Environmental enrichment primarily aims to achieve which outcome in captive animals?
Eliminate all grooming and nesting behaviors
Maximize cage density and throughput
Increase caloric intake and weight gain
Reduce stress and promote natural behaviors
Which set lists suitable enrichment items for rodents?
Nestlets, chew blocks, running wheels, PVC tubes
Puzzle feeders, climbing structures, heavy ropes
Heat lamps, metal perches, feeding troughs
Mirror toys, sand baths, scent diffusers
Which enrichment examples are most appropriate for primates in research housing?
Wire mesh and solid-bottom bedding
Running wheels and chew blocks
Nestlets and PVC tubes
Puzzle feeders and climbing structures
Which feature best explains why purpose-bred animals are preferred for biomedical studies?
Higher genetic uniformity across colonies
Greater age diversity within groups
More variable behavioral responses
Increased exposure to wild pathogens
What is the primary goal of quarantine when introducing new research animals?
Standardize cage enrichment devices
Reduce feed consumption during acclimation
Prevent introduction of disease agents
Identify animals with superior genetics
During quarantine, which procedure directly screens for gastrointestinal pathogens?
Observation for behavioral stress
Fecal testing using culture or PCR
Serology for systemic antibodies
Physical exam of body condition
Which activity in quarantine most relies on visual assessment over laboratory testing?
Observation for stress indicators
Serology for specific antigens
Fecal testing for parasites
Palpation during physical exam
Axenic animals require which husbandry approach to maintain their status?
Open housing with standard cages
Periodic probiotic supplementation
Routine room air exchanges
Sterile food, bedding, and water
Compared with conventional animals, axenic animals typically show which physiological trait?
Slower growth across early life stages
Enlarged cecum due to germ-free status
Normal gut morphology without changes
Higher baseline adaptive immunity
In gnotobiology, “SPF” animals are best described as:
Colonized with defined probiotic strains
Exposed to all environmental microbes
Sterile and completely germ-free
Free of specific known pathogens
Which combination best represents a standard quarantine workup in laboratory animal facilities?
Genetic typing, pedigree review, breeding
Diet change, cage transfer, social pairing
Physical exams, fecal testing, serology
Radiography, anesthesia, surgical screening
Which occupational hazard is most directly associated with handling needles during animal procedures?
Zoonotic infections from animal contact
Chemical exposure from disinfectants
Allergens from dander and bedding
Needlestick injuries during injections
Which PPE item is specifically emphasized for work with nonhuman primates (NHPs)?
Surgical caps only
Open-front lab coats
Face shields for splash protection
Single-use cotton gloves
An animal handler updates required vaccinations. Which set best reflects common recommendations?
Rabies, tetanus, hepatitis B
Influenza, measles, varicella
Polio, mumps, rubella
Yellow fever, cholera, typhoid
Why is genetic consistency in inbred rodent strains valuable to researchers?
It eliminates the need for control groups
It guarantees disease resistance in colonies
It allows reproducible experimental outcomes
It increases variability across cohorts
A lab needs rapid generational turnover for a study. Which rodent advantage fits this need?
High reproductive rate producing litters
Low cost reducing budget demands
Short lifespan enabling quick cohorts
Documented normal values aiding baselines
Which PPE combination best reduces risk when working with NHPs prone to aerosolized pathogens?
Double gloves and ear protection
Lab coat and safety glasses
Respiratory protection and face shields
Gowns and shoe covers only
Which statement best explains a primary reason rodents are widely used in research?
They lack documented normal physiological values
They require complex housing infrastructure
They have short lifespans aiding longitudinal work
They are universally germ-free animals
A technician experiences sneezing after cage changes. Which hazard is most likely involved?
Zoonotic infections from bites
Needlestick injuries from sharps
Allergens from rodent dander
Chemical exposure from formaldehyde
Which disease is specifically associated with mice and often called mouse pox?
Ectromelia virus infection
Sendai respiratory virus
Tyzzer’s bacterial disease
Mouse Hepatitis Virus
Which virus commonly affects both mice and rats in laboratory colonies?
Sendai virus
Lymphocytic choriomeningitis
Mycoplasma pulmonis
Bordetella bronchiseptica
Lymphocytic choriomeningitis virus is a notable pathogen primarily listed under which rodent?
Rats category
Gerbils category
Mice category
Hamsters category
Tyzzer’s disease in mice is caused by what general type of pathogen?
Helminthic worm
Protozoan parasite
Bacterial organism
Fungal organism
Mycoplasma pulmonis in rats most characteristically affects which body system?
Respiratory tract
Gastrointestinal tract
Dermatologic system
Renal system
Sialodacryoadenitis in rats primarily involves which tissues?
Peripheral lymph nodes
Intestinal mucosal lining
Pulmonary alveolar tissue
Salivary and lacrimal glands
RingtaiI in rats is most commonly linked to which environmental issue?
Humidity imbalance
Low dietary protein
Excessive light exposure
High ambient ammonia
Which condition appears in both rats and guinea pigs and involves abnormal tooth alignment?
Wet tail
Epilepsy
RingtaiI
Malocclusion
Wet tail in hamsters is another name for which gastrointestinal condition?
Gastric dilatation
Colonic diverticulitis
Pancreatic insufficiency
Proliferative ileitis
A hamster with sudden heart failure is most likely suffering from which listed condition?
Cardiomyopathy
Antibiotic toxicity
Epilepsy
Scurvy
Antibiotic toxicity is highlighted as a concern for which rodent species in this section?
Mice
Gerbils
Rats
Hamsters
Gerbils commonly exhibit which neurologic condition from the list?
Epilepsy
Cardiomyopathy
Wet tail
Tyzzer’s disease
Nasal dermatitis, often called sore nose, is listed under which rodent?
Gerbils
Guinea pigs
Rats
Hamsters
Scurvy in guinea pigs results from a deficiency of which nutrient?
Vitamin C
Vitamin D
Vitamin A
Vitamin K
Which bacterial pathogen is specifically associated with guinea pig respiratory disease in the list?
Pasteurella multocida
Salmonella enterica
Mycoplasma pulmonis
Bordetella bronchiseptica
Cervical lymphadenitis is a notable condition for which rodent in the content?
Guinea pigs
Rats
Mice
Gerbils
Mouse Hepatitis Virus (MHV) primarily affects which species listed?
Rat population
Guinea pig population
Hamster population
Mice population
Which two rodent categories explicitly list Sendai virus as a common disease?
Rats and guinea pigs
Hamsters and gerbils
Mice and rats
Mice and guinea pigs
Which condition name includes a parenthetical synonym indicating colloquial usage?
Scurvy (Vitamin C deficiency)
Ectromelia (“mouse pox”)
Nasal dermatitis (“sore nose”)
RingtaiI (humidity issues)
Which listed disease group includes both a nutrient deficiency and bacterial infections?
Rats set
Gerbils set
Mice set
Guinea pigs set
Which feature best distinguishes New World Primates from Old World Primates?
Greater body size compared to macaques
Prehensile tails present in many species
Opposable thumbs absent in most species
Longer gestation than Old World Primates
Which animals are typical examples of Old World Primates used in research?
Macaques and baboons
Marmosets and tamarins
Capuchins and squirrel monkeys
Lorises and tarsiers
Which research area commonly employs nonhuman primates due to immune system similarities?
Orthopedic implant metallurgy
Dermatophyte mycology
Plant-based nutrition studies
HIV/AIDS research
When handling nonhuman primates, which safety measure is most appropriate to protect personnel?
Wear full PPE during all contact
Avoid eye protection to improve visibility
Skip masks unless animals are coughing
Rely on minimal glove protection
Which statement about restraint for nonhuman primates is accurate?
Chemical restraint is often necessary
Net capture is universally preferred
Manual restraint is always sufficient
Restraint is rarely required
Which feature of avian anatomy supports efficient one‑way airflow?
Dual choanae behind tongue
Four‑chambered crop system
Air sacs integrated with lungs
Large caudal vena cava
For venipuncture in birds, which vessel is most commonly selected?
Right jugular vein
Median cubital vein
Caudal tail vein
Left femoral vein
Why should caudal injections be avoided in many reptiles?
High infection rates uniquely in tail skin
Tail musculature absorbs medications poorly
Renal portal system directs drugs to kidneys
Risk of damaging air sacs in tail
A patient is a dehydrated amphibian in a lab. Which immediate care choice avoids harm while restoring balance?
Warm with dry heating pad
Rub disinfectant foam on limbs
Mist non-chlorinated water gently
Apply petroleum jelly to skin
A ferret presents with episodic weakness and tremors after fasting. Which likely diagnosis fits best?
Adrenal cortical carcinoma
Nutritional myopathy deficiency
Insulinoma causing hypoglycemia
Generalized distemper infection
During a deep-clean, staff rush the process. What error most undermines disinfection efficacy?
Using labeled solutions
Allowing full contact time
Wiping before dwell time ends
Rinsing after proper dilution
A room handles sharps and tissue samples. Which waste stream should be prioritized?
Green compost program
Mixed recyclables bin
Regular landfill trash
Biohazard container stream
