TEAS 7 Science & Anatomy Practice 2026-2027
60 original ATI-style questions with answers, rationales, rapid review, and B-level mastery target
How to use this paper: Complete the questions without notes, then review each rationale. A study target of 80% or higher indicates
B-level mastery practice; it is not a prediction or guarantee of an exam result.
1. Which organelle is the main site of aerobic ATP production?
A. a distractor related to 1
B. an unrelated structure or process 2
C. the third option described in the rationale
D. an overgeneralization 4
Answer: C
Mitochondria generate most ATP through oxidative phosphorylation.
2. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
3. A solution with pH 3 is how many times more acidic than pH 5?
A. a distractor related to 2
B. an unrelated structure or process 3
C. the third option described in the rationale
D. an overgeneralization 5
Answer: C
Each pH step is tenfold; two steps equal 100-fold.
4. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
5. Which tissue type lines alveoli for efficient diffusion?
A. a distractor related to 3
B. the second option described in the rationale
C. a plausible but incorrect value 5
D. an overgeneralization 6
Answer: B
Simple squamous epithelium is thin and supports gas exchange.
6. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
7. What is the primary role of mRNA?
Original study practice - not an official or recalled exam Page 1
, A. the first option described in the rationale
B. an unrelated structure or process 5
C. a plausible but incorrect value 6
D. an overgeneralization 7
Answer: A
mRNA carries a transcribed code from DNA to a ribosome.
8. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
9. Which blood vessel returns oxygenated blood from the lungs to the heart?
A. a distractor related to 5
B. an unrelated structure or process 6
C. a plausible but incorrect value 7
D. the fourth option described in the rationale
Answer: D
Pulmonary veins return oxygenated blood to the left atrium.
10. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
11. A recessive trait appears when a person has which genotype?
A. the first option described in the rationale
B. an unrelated structure or process 7
C. a plausible but incorrect value 8
D. an overgeneralization 9
Answer: A
Two recessive alleles are required for expression of a recessive phenotype.
12. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
13. Which variable is deliberately changed by a researcher?
A. a distractor related to 7
B. the second option described in the rationale
C. a plausible but incorrect value 9
D. an overgeneralization 10
Answer: B
The independent variable is manipulated to observe its effect.
14. Which study action best supports this concept?
Original study practice - not an official or recalled exam Page 2
60 original ATI-style questions with answers, rationales, rapid review, and B-level mastery target
How to use this paper: Complete the questions without notes, then review each rationale. A study target of 80% or higher indicates
B-level mastery practice; it is not a prediction or guarantee of an exam result.
1. Which organelle is the main site of aerobic ATP production?
A. a distractor related to 1
B. an unrelated structure or process 2
C. the third option described in the rationale
D. an overgeneralization 4
Answer: C
Mitochondria generate most ATP through oxidative phosphorylation.
2. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
3. A solution with pH 3 is how many times more acidic than pH 5?
A. a distractor related to 2
B. an unrelated structure or process 3
C. the third option described in the rationale
D. an overgeneralization 5
Answer: C
Each pH step is tenfold; two steps equal 100-fold.
4. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
5. Which tissue type lines alveoli for efficient diffusion?
A. a distractor related to 3
B. the second option described in the rationale
C. a plausible but incorrect value 5
D. an overgeneralization 6
Answer: B
Simple squamous epithelium is thin and supports gas exchange.
6. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
7. What is the primary role of mRNA?
Original study practice - not an official or recalled exam Page 1
, A. the first option described in the rationale
B. an unrelated structure or process 5
C. a plausible but incorrect value 6
D. an overgeneralization 7
Answer: A
mRNA carries a transcribed code from DNA to a ribosome.
8. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
9. Which blood vessel returns oxygenated blood from the lungs to the heart?
A. a distractor related to 5
B. an unrelated structure or process 6
C. a plausible but incorrect value 7
D. the fourth option described in the rationale
Answer: D
Pulmonary veins return oxygenated blood to the left atrium.
10. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
11. A recessive trait appears when a person has which genotype?
A. the first option described in the rationale
B. an unrelated structure or process 7
C. a plausible but incorrect value 8
D. an overgeneralization 9
Answer: A
Two recessive alleles are required for expression of a recessive phenotype.
12. Which study action best supports this concept?
A. skim the topic once
B. attempt a new problem and explain the reasoning
C. memorize an isolated phrase
D. skip error review
Answer: B
Active retrieval followed by checking a rationale is more effective than rereading alone.
13. Which variable is deliberately changed by a researcher?
A. a distractor related to 7
B. the second option described in the rationale
C. a plausible but incorrect value 9
D. an overgeneralization 10
Answer: B
The independent variable is manipulated to observe its effect.
14. Which study action best supports this concept?
Original study practice - not an official or recalled exam Page 2
