100+ Free Toelatingsexamen Tandarts Practice Questions

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2026 Statistics

Key Facts: Toelatingsexamen Tandarts Exam

Official four-option items (40 KIW + 40 GC)

Vlaanderen.be examenonderdelen

EUR 65

2026 enrolment fee per exam

Vlaanderen.be inschrijven

277

2026 tandarts startquotum

Vlaanderen.be resultaat en inzage

+3 / 0 / −1

Scoring per item (240-point total)

Vlaanderen.be berekening examenresultaat

3 July 2026

Tandarts sitting at Brussels Expo

Vlaanderen.be toelatingsexamens

Dutch only

Official assessment language

Vlaanderen.be examenonderdelen en leerstofoverzicht

Flanders' 2026 Toelatingsexamen Tandarts is 80 Dutch four-option items (40 KIW + 40 GC) on 3 July at Brussels Expo, scored +3/0/−1 on 240 points, EUR 65, with ranking against a 277 startquotum after ≥50% on both parts. This page is an English MCQ study aid, not the official paper.

Sample Toelatingsexamen Tandarts Practice Questions

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

1Streptococcus mutans in dental plaque is a prokaryote, whereas a buccal epithelial cell is a eukaryote. Which feature belongs only to the epithelial cell?

A.A single circular chromosome lying free in the cytoplasm

B.Peptidoglycan as a major wall polymer

C.70S ribosomes as its only ribosomes

D.A nucleus bounded by a double membrane

Explanation: Eukaryotic animal cells house linear chromosomes inside a nuclear envelope. Buccal epithelial cells therefore have a true nucleus, membrane-bound organelles and 80S cytosolic ribosomes. S. mutans is prokaryotic: its DNA lies in a nucleoid without a nuclear membrane.

2Salivary acinar cells export proteins such as amylase. Which organelle modifies those proteins and packages them into secretory vesicles?

A.Golgi apparatus

B.Mitochondrion

C.Centriole

D.Nucleolus

Explanation: Secretory proteins are synthesised on rough ER ribosomes, then sorted, glycosylated further and packaged into vesicles at the Golgi apparatus. This endomembrane route is how saliva receives its enzymes and mucins.

3Oral epithelial cells keep a steep Na+ gradient. Which process moves Na+ out of the cell against its concentration gradient?

A.Simple diffusion of Na+ through the phospholipid bilayer

B.Facilitated diffusion of Na+ through a channel down its gradient

C.Active transport by the Na+/K+ pump using ATP

D.Osmosis of water, which drags Na+ with it

Explanation: Transport against an electrochemical gradient is active and requires free energy, supplied here by ATP hydrolysis at the Na+/K+ ATPase. The pump exports 3 Na+ and imports 2 K+ per ATP, maintaining the low intracellular Na+ typical of animal cells.

4A macrophage in inflamed gingiva engulfs plaque bacteria by phagocytosis. In which organelle are the ingested bacteria hydrolysed?

A.Nucleus

B.Ribosome

C.Smooth endoplasmic reticulum

D.Lysosome

Explanation: Phagosomes fuse with lysosomes, which contain acid hydrolases that digest macromolecules of the engulfed bacteria. This autophagy/phagocytosis route is the cell's specialised digestive compartment.

5Salivary α-amylase catalyses hydrolysis of starch in the mouth. Which statement about this enzyme is correct?

A.It is consumed as a stoichiometric reactant and must be resynthesised after every glycosidic bond is broken.

B.After complete heat denaturation at 90 °C it continues to catalyse at the same rate because the amino-acid sequence is unchanged.

C.It raises the equilibrium constant so that starch hydrolysis becomes more thermodynamically favoured.

D.It lowers the activation energy of the hydrolysis without changing the position of the chemical equilibrium.

Explanation: Enzymes are biological catalysts: they provide an alternative pathway with lower activation energy Ea and are regenerated. They do not alter ΔG or Keq of the reaction they catalyse, so they speed both forward and reverse rates equally.

6In aerobic respiration in oral-mucosa cells, where is most ATP generated, and what is the terminal electron acceptor of the electron-transport chain?

A.Mitochondria; molecular oxygen

B.Cytosol; pyruvate

C.Nucleus; NAD+

D.Lysosomes; water

Explanation: Glycolysis in the cytosol yields a small net ATP, but the large harvest comes from oxidative phosphorylation on the inner mitochondrial membrane. Electrons from NADH and FADH2 pass down the chain to O2, which is reduced to water.

7Oral epithelium renews by mitosis, whereas gametes are produced by meiosis. Crossing-over that exchanges alleles between homologous chromosomes occurs during which stage?

A.Metaphase of mitosis

B.S phase just before mitosis

C.Anaphase of mitosis

D.Prophase I of meiosis

Explanation: Crossing-over takes place in prophase I of meiosis when homologous chromosomes pair as bivalents and chiasmata form. Mitosis separates sister chromatids of replicated chromosomes without pairing homologues, so it does not shuffle alleles between maternal and paternal homologues.

8ABO blood-group alleles IA and IB are codominant, and i is recessive. A person of genotype IA IB has which phenotype?

A.Group A only, because A is dominant to B

B.Group O, because the two alleles cancel

C.Group AB, with both A and B antigens on the red-cell surface

D.Group B only, because B is epistatic to A

Explanation: Codominance means both alleles are fully expressed in the heterozygote. IA IB therefore produces both A and B glycosyl-transferase activities, so both antigens appear (blood group AB). This is distinct from incomplete dominance, in which a blended intermediate appears.

9A gene that encodes a salivary protein contains introns. What happens to those introns during expression in a human cell?

A.They are translated in the cytosol and then proteolytically cut out of the polypeptide.

B.Ribosomes splice them out during initiation of translation.

C.DNA polymerase removes them during replication so that the gene itself loses the introns.

D.They are spliced out of the pre-mRNA in the nucleus before the mature mRNA is exported.

Explanation: Eukaryotic transcription produces pre-mRNA that still contains introns. Spliceosomes in the nucleus remove introns and join exons, yielding mature mRNA that is exported and translated. The genomic DNA keeps its introns.

10After a glucose-rich snack, blood-glucose concentration rises. Which pancreatic response restores the set point in a healthy person?

A.β-cells secrete insulin, which promotes cellular glucose uptake and glycogen synthesis

B.β-cells secrete glucagon, which hydrolyses liver glycogen

C.α-cells secrete insulin as the only glucose-lowering hormone

D.Adrenaline is the only hormone that can lower blood glucose

Explanation: A rise in blood glucose stimulates pancreatic β-cells to release insulin. Insulin increases GLUT-mediated uptake (especially in muscle and adipose tissue) and promotes glycogenesis, lowering blood glucose toward the set point. Glucagon from α-cells does the opposite in fasting.

About the Toelatingsexamen Tandarts Exam

The Toelatingsexamen Tandarts is Flanders' numerus-clausus admission exam for the bachelor of tandheelkunde. AHOVOKS runs a Dutch paper of 80 four-option items: 40 KIW science questions (10 each in biology, physics, chemistry and mathematics) in the morning and 40 GC items (15 EMCO empathy/communication plus 25 VAARDIG scientific-text questions) in the afternoon. 2026 returns to a single pen-and-paper site at Brussels Expo on Friday 3 July. Scoring is +3 / 0 / −1 (240 points). You need at least half the points on both KIW and GC, then a total at or above the cesuur for the 277 startquotum. The fee is EUR 65. This bank is an English-language MCQ study adaptation, not an official translation or a substitute for the Dutch sitting.

Assessment

One paper day: morning KIW (biology, physics, chemistry, mathematics; 3.5 hours from 09:45) and afternoon GC (EMCO then VAARDIG; 1.5 hours from 14:30). 2026 is a central pen-and-paper sitting at Brussels Expo. AHOVOKS supplies the formularium, periodic table, pen, highlighter and a simple calculator. This English four-option bank is a study adaptation of the 2026 leerstofoverzicht — not an official translation and not a simulation of the Dutch paper environment.

Time Limit

KIW 3.5 hours (09:45 start) and GC 1.5 hours (14:30–16:00). Site access from 08:00; late start allowed until 10:45 without extra time.

Passing Score

≥60/120 on KIW and ≥60/120 on GC to enter ranking; gunstige rangschikking requires a total at or above the cesuur set by the 277 tandarts startquotum. +3 / 0 / −1 per item.

Exam Fee

EUR 65 per exam (non-refundable). Vlaanderen.be inschrijven, 2026. (AHOVOKS (Agentschap voor Hoger Onderwijs, Volwassenenonderwijs, Kwalificaties en Studietoelagen) and the examencommissie Toelatingsexamen Arts, Tandarts en Dierenarts)

Toelatingsexamen Tandarts Exam Content Outline

12.5%

KIW — Biologie

Cell, metabolism, genetics, human reproduction, immunity, neuro-muscular function and evolution from the 2026 KIW leerstofoverzicht

12.5%

KIW — Chemie

Stoichiometry, bonding, kinetics, equilibrium, acids/bases, redox and carbon chemistry

12.5%

KIW — Fysica

Pressure, heat, electricity, magnetism, nuclear decay, mechanics, waves and sound

12.5%

KIW — Wiskunde

Algebra, geometry, calculus and probability/statistics

18.75%

GC — EMCO

Empathy and communication scenarios for a future dentist

31.25%

GC — VAARDIG

Analyse and integrate a short scientific health-theme text with figures

How to Pass the Toelatingsexamen Tandarts Exam

What You Need to Know

Passing score: ≥60/120 on KIW and ≥60/120 on GC to enter ranking; gunstige rangschikking requires a total at or above the cesuur set by the 277 tandarts startquotum. +3 / 0 / −1 per item.
Assessment: One paper day: morning KIW (biology, physics, chemistry, mathematics; 3.5 hours from 09:45) and afternoon GC (EMCO then VAARDIG; 1.5 hours from 14:30). 2026 is a central pen-and-paper sitting at Brussels Expo. AHOVOKS supplies the formularium, periodic table, pen, highlighter and a simple calculator. This English four-option bank is a study adaptation of the 2026 leerstofoverzicht — not an official translation and not a simulation of the Dutch paper environment.
Time limit: KIW 3.5 hours (09:45 start) and GC 1.5 hours (14:30–16:00). Site access from 08:00; late start allowed until 10:45 without extra time.
Exam fee: EUR 65 per exam (non-refundable). Vlaanderen.be inschrijven, 2026.

Keys to Passing

Work through all 100 available questions
Review every answer and explanation
Track weak areas and revisit them
Use our AI tutor for tough concepts

Toelatingsexamen Tandarts Study Tips from Top Performers

1Train the two-part gate: a high KIW score still fails ranking if GC is under 60/120, and vice versa.

2Wrong answers cost one point on the official paper, so skip when you cannot eliminate options.

3Use the official 2026 leerstofoverzicht — KIW is Flemish doorstroomfinaliteit science, not university dentistry.

4Practise VAARDIG with short health-science texts and figures; 25 of 80 official items are passage-based.

5Keep arts, tandarts and dierenarts separate: dates, papers, ranking and startquota are independent.

6Complete these English items, then work official Dutch past papers; note that older official papers label the EMCO test as CLEAR. This bank is not a format or language simulation.

Frequently Asked Questions

What is the Flanders Toelatingsexamen Tandarts?

It is the AHOVOKS numerus-clausus exam required to start a tandheelkunde bachelor at a Flemish university. A gunstige rangschikking for tandarts is not valid for geneeskunde or diergeneeskunde.

How many official questions are there?

80 four-option items: 40 KIW (10 biology, 10 physics, 10 chemistry, 10 mathematics) and 40 GC (15 EMCO + 25 VAARDIG). This page's 100 English questions are a study bank, not the official paper.

What is the 2026 pass rule?

You need at least 60 of 120 points on KIW and 60 of 120 on GC. Ranked candidates are then ordered by total score; gunstige rangschikking is everyone at or above the cesuur set by the 277 startquotum.

How is the exam scored?

Each question is +3 if correct, 0 if left blank and −1 if wrong. The whole exam is 240 points. There is no separate minimum per KIW subject.

How much does the 2026 sitting cost?

EUR 65 per exam, non-refundable. You pay separately for arts, tandarts and dierenarts if you sit more than one.

In what language is the official exam?

Dutch. AHOVOKS sets the paper and publishes the leerstofoverzicht, sample questions and past examenboeken in Dutch, and offers no translated version. This practice bank is an English-language MCQ study adaptation, not an official translation and not a simulation of the Dutch paper environment.

When is the 2026 tandarts exam?

Friday 3 July 2026 at Brussels Expo (Heizel), with some extra-time candidates at the Hendrik Consciencegebouw. Enrolment ran 2 March to 18 May 2026 at noon.

Can I use an arts ranking to start dentistry?

No. You must be gunstig gerangschikt for the specific programme. If you sit more than one exam, a binding preference decides which ranking you receive when you would qualify for more than one.