ATI TEAS 2026
Complete Exam
200 Multiple-Choice Questions with Answers & Detailed Rationales
EXAM Science • Math • Reading • English & Language Usage
SECTIONS
QUESTIONS 200 total (50 per subject)
FORMAT Four-option multiple choice (A / B / C / D)
STRUCTURE Single continuous exam — no separate sections
ANSWER KEY All answers with detailed rationales included at the end
EXAM INSTRUCTIONS
1. This exam contains 200 multiple-choice questions covering Science, Math, Reading, and English & Language
Usage.
2. Each question has four answer choices (A, B, C, D). Select the single best answer for each question.
3. Questions are arranged continuously: 1–50 Science, 51–100 Math, 101–150 Reading, 151–200 English.
4. Attempt all questions before consulting the Answer Key, which begins after Question 200.
5. The Answer Key includes the correct answer and a detailed rationale explaining why the answer is correct and why
the other options are incorrect.
Prepared for ATI TEAS 2026 examination preparation
,ATI TEAS 2026 Complete Practice Exam Practice Exam
EXAM QUESTIONS
section 1 Science
1. Which organelle is the site of aerobic cellular respiration and ATP production in
eukaryotic cells?
A. Nucleus
B. Mitochondrion
C. Ribosome
D. Golgi apparatus
2. Which blood vessel type is responsible for exchanging gases, nutrients, and waste
with body tissues?
A. Arteries
B. Veins
C. Capillaries
D. Venules
3. During which phase of mitosis do sister chromatids separate and move to opposite
poles of the cell?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
4. Which hormone, produced by the beta cells of the pancreas, lowers blood
glucose by promoting cellular uptake of glucose?
A. Glucagon
B. Insulin
C. Cortisol
D. Epinephrine
5. In
a Punnett square between two heterozygous parents (Tt × Tt), what is the
expected phenotypic ratio of dominant to recessive offspring?
A. 4:0
B. 3:1
, C. 1:1
D. 1:2:1
6. Which partof the brain is primarily responsible for regulating heart rate,
breathing, and blood pressure?
A. Cerebrum
B. Cerebellum
C. Medullaoblongata
D. Thalamus
ATI TEAS Pag 200 Questions • Answers &
2026 e2 Rationales
, 7. Which of the following is the correct order of taxa from broadest to most specific?
A. Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
B. Kingdom, Domain, Phylum, Class, Order, Family, Genus, Species
C. Domain, Kingdom, Class, Phylum, Order, Family, Genus, Species
D. Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain
8. What is the pH of a solution with a hydrogen ion concentration of 1 × 10⁻t M?
A. pH 3
B. pH 4
C. pH 11
D. pH 12
9. Which type of bond involves the complete transfer of electrons from one
atom to another, creating oppositely charged ions?
A. Covalent bond
B. Ionic bond
C. Hydrogen bond
D. Metallic bond
10. Which of the following describes the function of the respiratory system's alveoli?
A. Produce digestive enzymes
B. Filter waste from blood
C. Exchange oxygen and carbon dioxide with blood
D. Regulate body temperature
11. Aerobic respiration produces approximately how many net ATP molecules per
molecule of glucose?
A. 2 ATP
B. 8 ATP
C. 36 ATP
D. 100 ATP
12. Which vessel carries oxygenated blood from the lungs to the heart?
A. Pulmonary artery
B. Pulmonary vein
Complete Exam
200 Multiple-Choice Questions with Answers & Detailed Rationales
EXAM Science • Math • Reading • English & Language Usage
SECTIONS
QUESTIONS 200 total (50 per subject)
FORMAT Four-option multiple choice (A / B / C / D)
STRUCTURE Single continuous exam — no separate sections
ANSWER KEY All answers with detailed rationales included at the end
EXAM INSTRUCTIONS
1. This exam contains 200 multiple-choice questions covering Science, Math, Reading, and English & Language
Usage.
2. Each question has four answer choices (A, B, C, D). Select the single best answer for each question.
3. Questions are arranged continuously: 1–50 Science, 51–100 Math, 101–150 Reading, 151–200 English.
4. Attempt all questions before consulting the Answer Key, which begins after Question 200.
5. The Answer Key includes the correct answer and a detailed rationale explaining why the answer is correct and why
the other options are incorrect.
Prepared for ATI TEAS 2026 examination preparation
,ATI TEAS 2026 Complete Practice Exam Practice Exam
EXAM QUESTIONS
section 1 Science
1. Which organelle is the site of aerobic cellular respiration and ATP production in
eukaryotic cells?
A. Nucleus
B. Mitochondrion
C. Ribosome
D. Golgi apparatus
2. Which blood vessel type is responsible for exchanging gases, nutrients, and waste
with body tissues?
A. Arteries
B. Veins
C. Capillaries
D. Venules
3. During which phase of mitosis do sister chromatids separate and move to opposite
poles of the cell?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
4. Which hormone, produced by the beta cells of the pancreas, lowers blood
glucose by promoting cellular uptake of glucose?
A. Glucagon
B. Insulin
C. Cortisol
D. Epinephrine
5. In
a Punnett square between two heterozygous parents (Tt × Tt), what is the
expected phenotypic ratio of dominant to recessive offspring?
A. 4:0
B. 3:1
, C. 1:1
D. 1:2:1
6. Which partof the brain is primarily responsible for regulating heart rate,
breathing, and blood pressure?
A. Cerebrum
B. Cerebellum
C. Medullaoblongata
D. Thalamus
ATI TEAS Pag 200 Questions • Answers &
2026 e2 Rationales
, 7. Which of the following is the correct order of taxa from broadest to most specific?
A. Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
B. Kingdom, Domain, Phylum, Class, Order, Family, Genus, Species
C. Domain, Kingdom, Class, Phylum, Order, Family, Genus, Species
D. Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain
8. What is the pH of a solution with a hydrogen ion concentration of 1 × 10⁻t M?
A. pH 3
B. pH 4
C. pH 11
D. pH 12
9. Which type of bond involves the complete transfer of electrons from one
atom to another, creating oppositely charged ions?
A. Covalent bond
B. Ionic bond
C. Hydrogen bond
D. Metallic bond
10. Which of the following describes the function of the respiratory system's alveoli?
A. Produce digestive enzymes
B. Filter waste from blood
C. Exchange oxygen and carbon dioxide with blood
D. Regulate body temperature
11. Aerobic respiration produces approximately how many net ATP molecules per
molecule of glucose?
A. 2 ATP
B. 8 ATP
C. 36 ATP
D. 100 ATP
12. Which vessel carries oxygenated blood from the lungs to the heart?
A. Pulmonary artery
B. Pulmonary vein
