100+ Free ACVB Veterinary Behavior Practice Questions

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In Pavlov's classical conditioning, the bell that originally produced no salivation becomes capable of eliciting salivation after pairing with food. What is the bell called AFTER conditioning?

Unconditioned stimulus (US)

Conditioned stimulus (CS)

Discriminative stimulus (SD)

Neutral stimulus (NS)

to track

2026 Statistics

Key Facts: ACVB Veterinary Behavior Exam

100

FREE Practice Questions

OpenExamPrep ACVB question bank

2-3 yr

ACVB-Approved Residency

ACVB residency training requirement

~15%

Psychopharmacology Weight

Largest single domain on ACVB content outline

~$1,500-$2,500

2026 Certifying Exam Fee

ACVB (verify current schedule)

Peer-Reviewed Publication(s)

ACVB credentials requirement for eligibility

DACVB

Diplomate Credential

Granted upon passing certifying exam + credentials approval

The ACVB Veterinary Behavior Certifying Exam is administered by the American College of Veterinary Behaviorists for Diplomate status (DACVB). Content spans psychopharmacology (~15%), canine aggression (~12%), feline problem behaviors (~10%), anxiety/fear (~10%), ethology and learning theory (~10%), behavior modification (~10%), aggression toward humans (~8%), development and socialization (~6%), welfare (~5%), enrichment (~5%), horse behavior (~5%), research/ethics (~4%), food/production animal (~3%), and geriatric CCDS (~2%). Certifying exam fee is ~$1,500-$2,500; requires an ACVB-approved residency (2-3 years) plus peer-reviewed publication.

Sample ACVB Veterinary Behavior Practice Questions

Try these sample questions to test your ACVB Veterinary Behavior exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In Pavlov's classical conditioning, the bell that originally produced no salivation becomes capable of eliciting salivation after pairing with food. What is the bell called AFTER conditioning?

A.Unconditioned stimulus (US)

B.Conditioned stimulus (CS)

C.Discriminative stimulus (SD)

D.Neutral stimulus (NS)

Explanation: Before conditioning the bell is a neutral stimulus. After repeated pairing with the unconditioned stimulus (food) it becomes a conditioned stimulus (CS) that elicits the conditioned response (salivation). Classical conditioning is associative learning between two stimuli, not between a behavior and a consequence.

2A dog sits and the owner hands over a treat; sitting behavior increases. This is an example of:

A.Positive punishment

B.Negative reinforcement

C.Positive reinforcement

D.Negative punishment

Explanation: Adding (positive) an appetitive stimulus after a behavior that increases (reinforcement) the behavior's future frequency is positive reinforcement — Skinner's operant conditioning. The LIMA framework and virtually every ACVB diplomate recommend reinforcement-based training as first-line.

3A shock collar is activated continuously until the dog stops barking, then the shock stops. The dog learns to stop barking sooner. This is:

A.Positive reinforcement

B.Negative reinforcement

C.Positive punishment

D.Negative punishment

Explanation: Removing (negative) an aversive stimulus to increase (reinforcement) a behavior is negative reinforcement. Although effective in the short term, negative reinforcement is associated with increased fear, anxiety, and aggression and violates the LIMA principle. ACVB diplomates discourage this method.

4A dog jumps on the owner; the owner immediately turns away and ignores the dog; jumping decreases. This is:

A.Positive punishment

B.Extinction

C.Negative punishment

D.Habituation

Explanation: Removing (negative) an appetitive stimulus (owner's attention) to decrease (punishment) a behavior is negative punishment. This is a humane, LIMA-compatible way to reduce attention-seeking behavior. Note: pure extinction would require NEVER reinforcing — negative punishment is the withdrawal contingency.

5A puppy that initially startles at the vacuum cleaner stops reacting after many repeated exposures without consequence. This is:

A.Extinction

B.Habituation

C.Counterconditioning

D.Sensitization

Explanation: Habituation is a decrease in response to a repeated, inconsequential stimulus — the simplest form of non-associative learning. Extinction applies to an operant or conditioned response losing its reinforcer. Sensitization is the opposite (increased response with repetition).

6A dog that has been repeatedly startled by thunderstorms becomes MORE reactive over time, even to mild noises. This is:

A.Habituation

B.Spontaneous recovery

C.Sensitization

D.Extinction

Explanation: Sensitization is an INCREASE in response after repeated exposure to a stimulus — common in noise phobias and trigger stacking. It is the opposite of habituation. Sensitized patients often need pharmacologic + behavior therapy; flooding is contraindicated.

7Konrad Lorenz is credited with describing which ethological phenomenon in greylag geese?

A.Operant conditioning

B.Filial imprinting

C.Latent learning

D.Trial-and-error learning

Explanation: Lorenz's 1935 work on filial imprinting in greylag geese (Nobel Prize 1973) described a rapid, largely irreversible attachment that occurs during a narrow sensitive period shortly after hatching. Imprinting differs from classical conditioning in its critical-period timing and permanence.

8A week after an extinction procedure ended, the previously extinguished behavior suddenly reappears. This is called:

A.Generalization

B.Spontaneous recovery

C.Sensitization

D.Renewal effect

Explanation: Spontaneous recovery is the reappearance of a previously extinguished conditioned response after a rest period. It demonstrates that extinction is new learning that inhibits — not erases — the original learning, and is why owners must be coached to expect setbacks and stay consistent.

9A discriminative stimulus (SD) in operant conditioning signals:

A.That reinforcement is NEVER available

B.That reinforcement IS available if the behavior is performed

C.An unconditioned response

D.A reflex arc

Explanation: A discriminative stimulus (SD) is a cue signaling that reinforcement is currently available for a particular response. S-delta signals reinforcement is NOT available. SDs are the basis for cue-based training (verbal cue 'sit' → sitting → treat).

10During counterconditioning for a dog fearful of strangers, what is the essential principle?

A.Expose the dog to strangers at full intensity until the fear disappears (flooding)

B.Punish the fearful behavior

C.Pair the fear-evoking stimulus with an appetitive one to change the emotional response

D.Withdraw all social contact for 30 days

Explanation: Counterconditioning changes the CS–US association: the feared stimulus is paired with a strongly positive stimulus (high-value food, play) so that the emotional valence switches from fear to positive. It is nearly always combined with systematic desensitization (DSCC). Flooding is contraindicated and can sensitize.

About the ACVB Veterinary Behavior Exam

The ACVB Veterinary Behavior Certifying Examination validates specialist-level knowledge for Diplomate status (DACVB). Content spans psychopharmacology (SSRIs, TCAs, selegiline, trazodone, gabapentin, Sileo dexmedetomidine OTM), canine aggression (functional classification, DSCC, BAT 2.0, CAT, Dunbar scale), feline problem behaviors (periuria, litter box management, inter-cat aggression, AAFP Five Pillars), anxiety and fear (separation-related problems, noise phobia, Fear Free handling), ethology and learning theory (Pavlovian and operant conditioning, reinforcement schedules, ethograms, sensitive periods — Scott and Fuller), behavior modification (DSCC, DRA/DRI/DRO, BAT 2.0, LIMA humane hierarchy, Overall Relaxation Protocol), aggression toward humans and public safety, animal welfare (Five Freedoms, Five Domains, Three Rs), environmental enrichment, horse behavior (Equitation Science, stereotypies), research methods and ethics, food/production animal behavior (Grandin handling), and geriatric CCDS (DISHA, selegiline). Requires completion of an ACVB-approved residency plus a peer-reviewed publication.

Questions

100 scored questions

Time Limit

Multi-day ACVB-administered proctored examination

Passing Score

Criterion-referenced standard set by ACVB examination committee

Exam Fee

~$1,500-$2,500 Certifying Examination fee (ACVB 2026 — verify current schedule) (American College of Veterinary Behaviorists (ACVB))

ACVB Veterinary Behavior Exam Content Outline

~15%

Psychopharmacology & Behavioral Pharmacology

SSRIs (fluoxetine, sertraline, paroxetine — 5-HT reuptake inhibition, 4-6 week onset), TCAs (clomipramine — FDA-approved for canine separation anxiety), MAOIs (selegiline — FDA-approved for canine CCDS), benzodiazepines (alprazolam, diazepam, clonazepam), trazodone (SARI — situational anxiety), gabapentin (cats 50-100 mg 90 min pre-visit), buspirone, Sileo (dexmedetomidine OTM — FDA-approved for noise aversion), serotonin syndrome, washout periods, SSRI + MAOI / SSRI + tramadol black-box interactions.

~12%

Canine Aggression

Functional classification (fear/defensive, resource guarding, territorial, intraspecific/inter-dog, redirected, conflict-related, predatory, pain-elicited, maternal, play-related), medical rule-outs (pain, thyroid, neurologic), Dunbar bite scale (levels 1-6), ladder of aggression (Shepherd), DSCC, Constructional Aggression Treatment (CAT), management-first protocols, muzzle conditioning, ethical framework for euthanasia vs rehoming.

~10%

Feline Problem Behaviors

Periuria and perichezia (rule out FLUTD, idiopathic cystitis, constipation), litter box management (N+1 rule, unscented clumping, uncovered, low sides), urine marking (intact males, multi-cat stress), feline inter-cat aggression (redirected, status, fear, play), petting-induced aggression, feline hyperesthesia, AAFP Five Pillars of a Healthy Feline Environment, Feliway F3 pheromone, MEMO environmental modification.

~10%

Anxiety, Fear & Phobias

Separation-related problems (separation anxiety, isolation distress), noise phobia/storm phobia (Sileo dexmedetomidine OTM, trazodone, alprazolam situational), generalized anxiety, veterinary visit/handling fear (Fear Free, low-stress handling — Yin), car/travel anxiety, social anxiety, learned helplessness from punishment, calming signals (Rugaas), HPA axis and chronic cortisol.

~10%

Ethology & Learning Theory

Classical (Pavlovian) conditioning (US/CS, CR/UR, extinction, spontaneous recovery), operant conditioning (Skinner — positive/negative reinforcement and punishment; four quadrants), reinforcement schedules (FR, VR, FI, VI — VR most resistant to extinction), shaping, chaining, Premack principle, counterconditioning, habituation and sensitization, observational learning, Thorndike's Law of Effect, ethograms, critical/sensitive periods, domestication.

~10%

Behavior Modification Techniques

Desensitization and counterconditioning (DSCC — gradient below threshold), systematic desensitization, differential reinforcement (DRA, DRI, DRO), response substitution, Behavior Adjustment Training 2.0 (BAT 2.0 — Stewart), CAT, Look-at-That (LAT — McDevitt), Karen Overall Relaxation Protocol, clicker/marker training, LIMA hierarchy (Least Intrusive, Minimally Aversive — humane hierarchy).

~8%

Aggression Toward Humans & Public Safety

Dog bite epidemiology (CDC, AVMA), bite prevention education (children — Be a Tree, Dogs & Storks), Dunbar bite assessment scale, dangerous dog statutes, risk assessment for rehoming vs euthanasia, muzzle conditioning, management and safety planning, expert witness testimony, ACVB/AVSAB position statements on punishment and dominance-based training.

~6%

Development & Socialization

Canine sensitive period (3-12/14 weeks — Scott and Fuller), feline sensitive period (2-7/9 weeks), prenatal stress effects, neonatal, transitional, socialization, juvenile, and adolescent phases, puppy class curricula (AVSAB position statement — socialize before vaccination series complete), singleton syndrome, maternal behavior, weaning and dispersal.

~5%

Animal Welfare & Ethics

Five Freedoms (Brambell), Five Domains model (Mellor — nutrition, environment, health, behavior, mental state), Three Rs (Russell and Burch — replacement, reduction, refinement), QoL assessment (HHHHHMM — Villalobos), Welfare Quality protocols, sentience, ethical frameworks (utilitarian, deontological, virtue, contractarian).

~5%

Environmental Enrichment

Five categories of enrichment (social, occupational/cognitive, physical/habitat, sensory, nutritional/food-based), puzzle feeders and food-dispensing toys, foraging/scatter feeding, scent work and nose games, AAFP Five Pillars, vertical space and hiding for cats, Shape of Enrichment and Disney Five-Step Enrichment Framework.

~5%

Horse Behavior

Ethogram and social structure (harem/bachelor bands), stereotypic behaviors (crib-biting, weaving, stall-walking — forage access and turnout), trailer loading, rider-induced behaviors, learning in horses (negative reinforcement pressure-release predominates), Equitation Science principles, aggression and kicking, weaning stress, foal imprinting critique.

~4%

Research Methods & Ethics in Behavior

Study design (RCT, cohort, case-control, cross-sectional, case series), IACUC and ACVB research requirements, validated behavioral questionnaires (C-BARQ, Fe-BARQ, Mini C-BARQ), evidence levels, publication ethics and authorship, biostatistics for behavior research.

~3%

Food & Production Animal Behavior

Cattle handling (Grandin — curved chutes, solid sides, non-slip, flight zone and point of balance), pig behavior (mixing aggression, tail-biting, rooting), poultry (feather pecking, dust-bathing), welfare assessment in production systems, stereotypies in confinement, group housing vs gestation crates, beak trimming and tail docking.

~2%

Geriatric Cognitive Dysfunction (CCDS)

Canine cognitive dysfunction syndrome — DISHA(AL) signs (Disorientation, Interactions, Sleep-wake cycle, House-soiling, Activity changes, Anxiety, Learning/memory), pathology (beta-amyloid plaques), selegiline (MAO-B inhibitor — FDA-approved), SAMe, antioxidant diets (Hill's b/d, Purina NeuroCare), feline cognitive dysfunction, differentiating CCDS from sensory decline and systemic disease.

How to Pass the ACVB Veterinary Behavior Exam

What You Need to Know

Passing score: Criterion-referenced standard set by ACVB examination committee
Exam length: 100 questions
Time limit: Multi-day ACVB-administered proctored examination
Exam fee: ~$1,500-$2,500 Certifying Examination fee (ACVB 2026 — verify current schedule)

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

ACVB Veterinary Behavior Study Tips from Top Performers

1Operant conditioning four quadrants — high-yield: Positive Reinforcement (add something to increase behavior — food, praise), Negative Reinforcement (remove something aversive to increase behavior — pressure-release in horses), Positive Punishment (add aversive to decrease — leash correction), Negative Punishment (remove desirable to decrease — time-out). Reinforcement schedules: continuous (fastest acquisition), variable ratio (most resistant to extinction — slot machine effect), fixed interval (scalloped responding). AVSAB and ACVB position statements favor positive reinforcement and LIMA humane hierarchy; avoid positive punishment due to fallout (fear, aggression, learned helplessness).

2Psychopharmacology essentials: Clomipramine (Clomicalm) is FDA-approved for canine separation anxiety (TCA, inhibits 5-HT and NE reuptake). Selegiline (Anipryl) is FDA-approved for canine CCDS and Cushing's (MAO-B inhibitor — washout 2 weeks with SSRIs to avoid serotonin syndrome). Sileo (dexmedetomidine oromucosal gel) is FDA-approved for canine noise aversion — alpha-2 agonist given transmucosally 30-60 min pre-event. Fluoxetine (Reconcile) is FDA-approved for canine separation anxiety (SSRI, 4-6 week onset). Gabapentin 50-100 mg PO ~90 min before a feline veterinary visit reduces stress signs.

3Feline periuria (inappropriate urination) workup — rule out medical FIRST: urinalysis, urine culture, imaging (cystoliths, idiopathic cystitis/FIC), constipation, CKD, diabetes, hyperthyroidism, arthritis (can't climb into high-sided box). Differentiate urine marking (small volume, vertical surfaces, standing, tail quivering — often intact males or multi-cat stress) from toileting (squatting, larger volume — box aversion or substrate/location preference). Management: N+1 litter boxes, uncovered, low sides, unscented clumping (most cats prefer), multiple locations away from food and traffic, scoop daily, AAFP Five Pillars.

4LIMA (Least Intrusive, Minimally Aversive) humane hierarchy (Friedman): (1) Wellness — medical and nutrition first, (2) Antecedent arrangement (management), (3) Positive reinforcement, (4) Differential reinforcement of alternative behaviors (DRA/DRI), (5) Extinction, negative reinforcement, negative punishment, (6) Positive punishment — last resort, rarely justified. ACVB and AVSAB position statements oppose dominance theory and confrontational training. DSCC (desensitization + counterconditioning) remains the gold-standard for fear- and anxiety-based problems — keep the dog below threshold, pair the trigger with high-value food, gradient exposure.

5CCDS (canine cognitive dysfunction syndrome) — DISHA(AL) mnemonic: Disorientation (gets lost in familiar areas, stares at walls), altered Interactions with family/pets (less greeting, more clingy or withdrawn), Sleep-wake cycle disturbances (night pacing, vocalization), House-soiling (loss of previously learned elimination), Activity changes (aimless pacing or decreased activity), plus Anxiety and Learning/memory deficits. Rule out sensory decline (vision/hearing), endocrine disease, pain. Management: selegiline (FDA-approved MAO-B inhibitor), antioxidant-enriched therapeutic diets (Hill's b/d, Purina NeuroCare — MCTs), SAMe, environmental enrichment, consistent routines, night lights.

Frequently Asked Questions

What is the ACVB Veterinary Behavior Certifying Examination?

The ACVB Certifying Examination is the final examination required to become a Diplomate of the American College of Veterinary Behaviorists (DACVB). It validates specialist-level knowledge across veterinary behavioral medicine — psychopharmacology, canine and feline problem behaviors, anxiety and fear, learning theory, behavior modification, development and socialization, welfare and ethics, environmental enrichment, horse and food/production animal behavior, and geriatric cognitive dysfunction. Passing the exam, along with credentials approval, grants the right to use the DACVB post-nominal.

Who is eligible to take the ACVB Certifying Exam?

Candidates must hold a DVM, VMD, or equivalent veterinary degree and maintain a valid license to practice. Eligibility requires completion of an ACVB-approved residency in veterinary behavior (typically 2-3 years) under a DACVB mentor, with documented supervised cases, case reports, and at least one peer-reviewed first-author publication on a behavioral topic. The full credentials package must be approved by the ACVB Credentials Committee before the candidate can sit for the certifying exam.

What is the format of the ACVB Certifying Exam?

The ACVB Certifying Exam is a proctored multi-section examination administered in person by the ACVB, historically timed with the annual ACVB/AVSAB Veterinary Behavior Symposium. It includes multiple-choice items and case-based/essay components covering the full ACVB content outline. Specific section counts, weightings, and timing are provided to approved candidates in the ACVB examination handbook.

How much does the 2026 ACVB Certifying Exam cost?

The 2026 ACVB Certifying Examination fee is approximately $1,500-$2,500 — always verify the current schedule on the ACVB website. Candidates also pay residency application and credentials processing fees, annual ACVB dues after certification, and Maintenance of Certification (MOC) costs. Cancellation and retake policies follow the ACVB schedule with decreasing refunds as the exam date approaches.

When is the 2026 exam administered?

The ACVB Certifying Examination is typically offered once annually, historically in conjunction with the annual Veterinary Behavior Symposium. Credentials submission deadlines fall several months before the exam. Exact 2026 dates and application deadlines should be confirmed on the ACVB website under the Become a Specialist pages.

How is the exam scored?

ACVB uses criterion-referenced scoring with a passing standard set by the examination committee using subject-matter expert methods. A candidate's pass/fail result depends on performance relative to the fixed cut-score, not on other candidates. Candidates who do not pass receive domain-level feedback to guide retake preparation and must follow ACVB retake and remediation policy.

What are the highest-yield topics?

Highest-yield topics include behavioral psychopharmacology (SSRIs, clomipramine for separation anxiety, selegiline for CCDS, trazodone, gabapentin pre-visit for cats, Sileo dexmedetomidine OTM for noise aversion, serotonin syndrome), operant conditioning four quadrants with reinforcement schedules, DSCC and BAT 2.0 protocols, LIMA humane hierarchy, Dunbar bite scale, feline periuria workup with FLUTD rule-out and litter box management (N+1), canine separation anxiety diagnosis and treatment, AAFP Five Pillars, Five Freedoms and Five Domains, Scott and Fuller sensitive periods, and DISHA signs of CCDS.

How should I study for this exam?

Use a structured 12-18 month plan layered on residency. Master the foundations first — Pavlov/Skinner learning theory, LIMA humane hierarchy, Five Domains welfare framework — then build psychopharmacology (Overall, Crowell-Davis), species-specific problem behaviors (Landsberg Handbook of Behavior Problems, Horwitz and Mills BSAVA Manual), and specialty topics (horse — McGreevy/McLean Equitation Science; production — Grandin). Drill AVSAB/ACVB position statements and validated questionnaires (C-BARQ, Fe-BARQ). Complete 2-3 timed full-length mock exams and practice case write-ups.