VTNE Exam Flashcards

Q: What is the VTNE pass rate?

AAVSB program data reports a national average first-time pass rate of approximately 65%. AAVSB does not publish a single candidate-facing annual pass-rate figure on its main pages; the ~65% figure is the national average for first-time candidates cited in AAVSB program data. Individual jurisdiction pass rates vary, so confirm with your board.

Q: What is the VTNE exam fee?

The VTNE application fee is $375 per attempt, payable to AAVSB. A one-time exam window transfer fee of $90 may apply if you reschedule within the window. Each retake requires a new application and the full $375 fee, so failed attempts are costly — prepare thoroughly before scheduling.

Q: What is the VTNE retake policy?

Candidates may test only once in any 30-day period, so a failed attempt means waiting at least 30 days before retaking. AAVSB allows up to five attempts before requiring additional approval for further attempts. Each retake requires a new application and the full $375 fee. Verify with your jurisdiction for any local limits beyond the AAVSB policy.

Q: How many questions are on the VTNE and how long is the exam?

The VTNE consists of 170 multiple-choice questions (150 scored plus 20 unscored pilot questions) delivered through PSI testing centers or live remote proctoring. Candidates have 3 hours to complete the exam, giving roughly one minute per question. The 20 pilot questions do not count toward your score but are indistinguishable from scored items.

Q: What are the eligibility pathways for the VTNE?

Eligibility is jurisdiction-approved. The most common pathway is graduation from an AVMA-CVTEA (or CVMA in Canada) accredited veterinary technology program. Alternate and on-the-job-training pathways may be accepted by some jurisdictions. Always confirm your specific pathway and documentation requirements with your state or provincial veterinary board before applying.

Q: How is the VTNE scored and what is the passing score?

The VTNE is scored on a scaled range of 200-800. AAVSB member boards recommend a minimum passing scaled score of 425, though final passing policy is set by each jurisdiction. Score reports show the scaled score and domain-level performance breakdown so candidates can target weak areas on retakes.

Question 1

Converting a mg/kg dose to a draw-up volume

Accepted Answer

Multiply weight (kg) x dose (mg/kg) to get total mg, then divide by the vial concentration (mg/mL) to get the volume in mL. Skipping the concentration division is a common cause of large-volume dosing errors and a classic VTNE math trap.

Question 2

CRI pump rate from mcg/kg/min to mL/hr

Accepted Answer

Multiply weight x rate x 60 to convert mcg/min into mcg/hr, then divide by the solution concentration (mcg/mL). Forgetting the x60 minutes conversion is the most frequent CRI calculation mistake on the exam.

Question 3

Why potassium chloride must never be given as an IV bolus

Accepted Answer

Rapid concentrated potassium delivery causes fatal cardiac arrhythmias. KCl is always diluted and delivered as a slow infusion or added to balanced fluids on a pump, never as an undiluted IV push.

Question 4

Naloxone vs. atipamezole - which reversal for which drug class?

Accepted Answer

Naloxone reverses pure mu-opioid agonists (hydromorphone, morphine). Atipamezole reverses alpha-2 agonists (dexmedetomidine, medetomidine). Mixing these up delays reversal and prolongs respiratory depression or sedation.

Question 5

Why NSAIDs and corticosteroids must not be given concurrently

Accepted Answer

Both damage the gastric mucosal barrier. Combined use sharply raises the risk of GI ulceration and perforation, so a washout period is required before switching from one class to the other.

Question 6

Maropitant (Cerenia) - mechanism and use

Accepted Answer

Maropitant is an NK-1 receptor antagonist antiemetic that blocks substance P pathways, distinguishing it from older dopamine- or serotonin-based antiemetics. It is used to prevent vomiting and motion sickness in dogs and cats.

Question 7

DEA Schedule II controlled-drug storage requirements

Accepted Answer

Schedule II controlled substances must be kept in a securely locked, substantially constructed cabinet or safe with limited access and a maintained log. Open-shelf or refrigerator-door storage violates DEA handling rules and fails audit.

Question 8

Damp autoclaved instrument pack - what is the correct action?

Accepted Answer

A damp or wet wrap allows moisture strike-through, which wicks microbes through the wrap and compromises sterility. Treat any damp pack as contaminated and reprocess it from cleaning onward - do not rely on the internal chemical indicator.

Question 9

Correct skin-prep scrub pattern for a clean elective site

Accepted Answer

Start at the planned incision and move outward in concentric circles. A used sponge never returns toward the center, because doing so drags peripheral skin flora back into the sterile incision field.

Question 10

Incorrect sponge or instrument count before closure

Accepted Answer

Pause closure immediately and perform a methodical cavity and field search with the team. Documenting a miscount and imaging the next day risks a retained surgical item - a preventable never-event that is a common VTNE scenario.

Question 11

A sterile-gloved hand touches a non-sterile surface mid-surgery

Accepted Answer

Any break in the sterile field must be corrected immediately by re-gloving, and re-gowning if the gown is contaminated. Rinsing the glove or continuing because it 'looks clean' raises surgical site infection risk.

Question 12

Biological indicator vs. chemical tape for sterilization

Accepted Answer

External chemical tape only confirms the pack was exposed to heat. A biological indicator (Geobacillus spore test) is the only monitor that verifies sterilizing conditions were actually achieved inside the pack - use it for every load with implants.

Question 13

Mayo-Hegar vs. Metzenbaum - which instrument for which task?

Accepted Answer

Mayo-Hegar (and Olsen-Hegar) are needle holders used to grasp and drive suture needles. Metzenbaum are fine, blunt-tipped scissors for delicate tissue dissection - not for cutting heavy fascia or suture.

Question 14

Modified Triadan system: what tooth is '104'?

Accepted Answer

The leading digit identifies the quadrant - 1xx is the right maxillary (upper right) quadrant, and 04 is the canine. So 104 is the right maxillary canine. Quadrants run clockwise: 1 right upper, 2 left upper, 3 left lower, 4 right lower.

Question 15

Normal periodontal probing depth in dogs vs. cats

Accepted Answer

Healthy canine sulcus depth is roughly 1-3 mm depending on tooth and patient size; cats are normally under 1 mm. Deeper pockets indicate periodontal attachment loss and warrant dental radiographs to evaluate bone support.

Question 16

Correct sequence of a professional dental cleaning

Accepted Answer

Scale first to remove calculus, then polish to smooth the microscopic enamel scratches scaling leaves behind, then irrigate or rinse to flush debris. Polishing before scaling is pointless because scaling re-scratches the enamel.

Question 17

Feline tooth resorption (FORL) - what makes it distinctive

Accepted Answer

FORL is a painful, progressive destruction of dental hard tissue unique to cats, often visible as a resorptive lesion at the gumline. True bacterial caries are rare in dogs and cats, so do not confuse the two when charting oral pathology.

Question 18

Which anticoagulant tube for a CBC and why

Accepted Answer

EDTA (lavender or purple top) preserves leukocyte and erythrocyte morphology for the complete blood count. Heparin or serum tubes distort cell shapes and are not acceptable for a CBC - they are reserved for chemistry panels.

Question 19

A hemolyzed serum sample - which analyte is falsely elevated?

Accepted Answer

Ruptured red cells spill intracellular potassium into serum, so hemolysis falsely elevates measured potassium and interferes with several spectrophotometric chemistry assays. Flag hemolyzed samples before reporting results.

Question 20

How to measure urine specific gravity in animals

Accepted Answer

Use a refractometer. The dipstick specific gravity pad is calibrated for human urine and is unreliable in dogs and cats - it can underestimate or overestimate concentration and must not be used for veterinary patients.

Question 21

Timing of peripheral blood smear preparation

Accepted Answer

Make the smear promptly after collection. Delay causes crenation, neutrophil degeneration, and platelet clumping artifacts that mimic or obscure real pathology and often force a redraw.

Question 22

Normal rectal temperature range for dogs and cats

Accepted Answer

Roughly 100.5-102.5 F (38.1-39.2 C). A reading below 100 F in a non-anesthetized patient signals hypothermia and possible shock; above 103 F warrants investigation for fever or heat stress. Anesthesia independently depresses temperature.

Question 23

Capillary refill time (CRT) - normal and what prolonged means

Accepted Answer

Normal CRT is under 2 seconds. Prolonged CRT indicates poor perfusion (shock, dehydration, vasoconstriction). An extremely rapid 'snap' refill can reflect a hyperdynamic early shock state rather than wellness.

Question 24

Maintenance fluid rate estimate for dogs vs. cats

Accepted Answer

A traditional starting estimate is roughly 60 mL/kg/day in dogs and 50 mL/kg/day in cats, before patient-specific adjustment. These are starting points only - ongoing losses, dehydration deficit, and anesthesia change the actual requirement.

Question 25

Why feline anorexia beyond 24-48 hours is an emergency

Accepted Answer

Cats mobilize fat to the liver under prolonged fasting, causing hepatic lipidosis and potentially liver failure. Early nutritional support is far easier than treating established lipidosis, so do not 'wait and see' on a cat that is not eating.

Question 26

Resting Energy Requirement (RER) formula

Accepted Answer

RER (kcal/day) is approximated as 70 x body weight (kg)^0.75. This allometric formula works across body sizes; a linear shortcut (30 x BW + 70) is acceptable only in the 2-45 kg range and breaks down outside it.

Question 27

Calculating a fluid deficit from percent dehydration

Accepted Answer

Deficit (mL) = body weight (kg) x percent dehydration (as a decimal) x 1000. A 10 kg dog at 8% dehydration has an 800 mL deficit, typically replaced over a defined schedule with ongoing reassessment rather than all at once.

Question 28

Preventing decubital (pressure) ulcers in recumbent patients

Accepted Answer

Reposition frequently, pad bony prominences, keep bedding dry, and inspect skin each turn. Recumbent anesthetized or neurologic patients cannot shift weight themselves, so the nursing schedule must do it for them.

Question 29

Biosecurity on admitting a suspected parvovirus case

Accepted Answer

Move the patient directly to isolation with dedicated PPE and equipment, treat them last in the treatment order, and use a disinfectant effective against non-enveloped viruses (dilute bleach, accelerated hydrogen peroxide). Quaternary ammonium products alone are not reliably effective against parvovirus.

Question 30

Which common canine infectious disease is zoonotic to humans?

Accepted Answer

Leptospirosis spreads via infected urine and is zoonotic. Canine parvovirus, feline panleukopenia, and distemper are species-specific and not transmitted to people - so staff safety and patient isolation priorities differ for each.

Question 31

Recognizing canine fear signals for low-stress handling

Accepted Answer

Lip licking out of context, yawning when not tired, 'whale eye' (sclera visible), and a tucked tail are stress cues. Pushing through them escalates to defensive aggression; pause and adjust the handling plan instead of forcing restraint.

Question 32

ALARA principle in veterinary radiography

Accepted Answer

As Low As Reasonably Achievable: minimize dose through reduced time, increased distance, lead shielding, tight collimation, and good technique. Every retake is a preventable dose to patient and staff - get positioning right the first time.

Question 33

kVp vs. mAs - which controls what on an x-ray machine?

Accepted Answer

kVp controls beam energy and penetration, and therefore contrast (higher kVp = longer gray scale). mAs controls the quantity of x-rays produced and therefore overall image density. Confusing the two causes repeated, dose-wasting technique corrections.

Question 34

Barium vs. water-soluble iodinated contrast for GI studies

Accepted Answer

Barium sulfate is the standard positive contrast for upper GI when perforation is not suspected. If perforation or leakage into a body cavity is possible, use water-soluble iodinated contrast instead - leaked barium causes severe granulomatous peritonitis.

Question 35

Target end-tidal CO2 (EtCO2) and what a rising value means

Accepted Answer

Normocapnia is roughly 35-45 mmHg EtCO2. A rising EtCO2 with shallow breathing indicates hypoventilation and CO2 retention - the patient needs assisted or controlled ventilation, not simply a deeper plane of anesthesia.

Question 36

SpO2 reading drops below 90% under anesthesia - first response

Accepted Answer

SpO2 below 90% means hypoxemia. First verify ET tube placement and patency, confirm oxygen flow, then assist ventilation and notify the veterinarian. Treating the number without checking the airway misses a displaced or obstructed tube.

Question 37

Non-rebreathing vs. circle system for very small patients

Accepted Answer

Non-rebreathing systems (Bain, Ayre's T-piece) have low resistance and minimal dead space, suiting patients under roughly 5-7 kg, but they need higher fresh gas flows. A circle rebreathing system has too much dead space and resistance for a tiny patient.

Question 38

Exhausted soda lime (CO2 absorbent) - why it matters

Accepted Answer

In a circle rebreathing circuit, soda lime scrubs exhaled CO2. When granules change color and are exhausted, the patient rebreathes CO2 and develops hypercapnia. Replace color-changed absorbent before the next case - and verify the indicator, not just granule color.

Question 39

Extubation timing in brachycephalic breeds

Accepted Answer

Brachycephalics obstruct easily after extubation. Keep the tube in until swallowing and airway reflexes are robust, and keep reintubation supplies immediately at hand. Extubating too early in these breeds can be fatal within minutes.

Question 40

Closed pop-off (APL) valve left shut - the danger

Accepted Answer

A closed pop-off valve traps gas in the breathing circuit and can cause fatal barotrauma (tension pneumothorax) within minutes. The valve stays open except for brief, deliberate manual ventilation - never leave it closed and unattended.

Question 41

Why preoxygenate before induction in high-risk patients

Accepted Answer

A few minutes of flow-by or mask oxygen fills the functional residual capacity with oxygen, buying a longer safe apneic window during induction and intubation. This matters most for brachycephalics, cardiac, and critically ill patients who desaturate fast.

Question 42

RECOVER CPR compression rate and depth

Accepted Answer

Compress at 100-120 per minute, depressing the thorax one-third to one-half of its width in lateral recumbency, with full recoil between compressions. Incomplete recoil prevents cardiac refill and drops coronary and cerebral perfusion pressure.

Question 43

Triage primary survey - what comes first?

Accepted Answer

Airway and breathing compromise take top priority (the 'A' and 'B' of the primary survey). A patient who cannot oxygenate dies faster than one with a fracture or even active hemorrhage, so stabilize oxygenation before anything else.

Question 44

Heatstroke cooling - when to stop and what to avoid

Accepted Answer

Begin active cooling promptly, but stop around 103 F (39.4 C) to prevent rebound hypothermia. Ice-water immersion causes peripheral vasoconstriction, which traps core heat and can worsen outcome - avoid it despite the dramatic presentation.

Question 45

Multimodal analgesia - why combine drug classes

Accepted Answer

Drugs acting on different pain pathways (opioids, NSAIDs, local anesthetics, alpha-2 agonists) together produce better pain control at lower individual doses, reducing each drug's side-effect burden versus escalating a single agent.

Question 46

Pre-emptive analgesia - why give analgesia before the painful stimulus

Accepted Answer

Treating pain before tissue injury prevents central sensitization ('wind-up'), where the spinal cord amplifies incoming pain signals. Pre-emptive dosing improves later comfort and often lowers total drug needs - it is not the same as simply giving 'extra' sedation.

Question 47

Bupivacaine safety - the cardiotoxicity rule

Accepted Answer

Bupivacaine blocks sodium channels and is cardiotoxic in overdose or with accidental IV injection. Never give it as a rapid IV bolus; calculate the maximum safe dose and reserve it for local tissue infiltration or regional blocks only.

Question 48

Technician's role in informed consent

Accepted Answer

The technician witnesses the signature and confirms the client understands discharge or procedure instructions - the technician does not explain the procedure's risks and alternatives. That explanation is the veterinarian's legal responsibility, and blurring the line creates liability.

Question 49

Teach-back method for discharge education

Accepted Answer

After explaining home care, ask the client to repeat the instructions in their own words rather than asking 'Do you understand?' A nod is not confirmation - teach-back surfaces gaps before they become missed medications or wound complications at home.

Question 50

Correcting an error in the medical record

Accepted Answer

Do not overwrite or delete the original entry. Draw a single line through the error, write the correction nearby with your initials, date, and time, so the audit trail of what was documented and when is preserved. Blacking out or erasing violates record-integrity rules.

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