ATI TEAS 7 Science Practice Questions (2025
Objectives)
80 Unique Multiple-Choice Questions for the ATI TEAS 7 Science Section
Designed to align with 2025 TEAS Science objectives: Human Anatomy and Physiology,
Life and Physical Sciences, Scientific Reasoning
Science Practice Questions
Question 1: What is the primary function of the alveoli in the lungs?
A To filter blood
B To exchange gases
C To produce mucus
D To regulate airflow
Question 2: Which hormone, produced by the pancreas, lowers blood sugar levels?
A Glucagon
B Insulin
C Cortisol
D Thyroxine
Question 3: In a chemical reaction, what is the term for the substances that are formed?
A Reactants
B Catalysts
C Products
D Intermediates
Question 4: A scientist observes that patients with low vitamin D levels have weaker bones.
What is the independent variable?
A Bone strength
1
, B Vitamin D levels
C Patient age
D Diet type
Question 5: Which part of the nephron is primarily responsible for filtering blood in the kidneys?
A Loop of Henle
B Glomerulus
C Collecting duct
D Proximal tubule
Question 6: What is the role of the sinoatrial node in the heart?
A To pump blood
B To initiate heartbeats
C To regulate blood pressure
D To oxygenate blood
Question 7: What type of bond involves the sharing of electrons between atoms?
A Ionic
B Covalent
C Hydrogen
D Metallic
Question 8: A hypothesis states that increasing water intake improves skin hydration. How
could this be tested?
A Measure skin hydration in groups with different water intakes
B Compare skin color across patients
C Test blood pressure changes
D Analyze hair growth rates
Question 9: Which muscle type is found in the walls of blood vessels?
A Skeletal
B Cardiac
C Smooth
D Voluntary
2
, Question 10: What is the primary function of the epiglottis?
A To produce saliva
B To prevent food from entering the trachea
C To secrete digestive enzymes
D To regulate air temperature
Question 11: During photosynthesis, what molecule is produced as a byproduct?
A Carbon dioxide
B Oxygen
C Nitrogen
D Water
Question 12: A study finds that patients taking a new drug have lower cholesterol. What is the
dependent variable?
A Drug dosage
B Cholesterol levels
C Patient age
D Diet
Question 13: Which part of the brain controls voluntary movements?
A Cerebellum
B Medulla oblongata
C Cerebrum
D Hypothalamus
Question 14: What is the function of the gall bladder?
A To produce bile
B To store and release bile
C To digest carbohydrates
D To filter blood
Question 15: What is the pH of a neutral solution at 25°C?
A 5
B 7
C 9
3
Objectives)
80 Unique Multiple-Choice Questions for the ATI TEAS 7 Science Section
Designed to align with 2025 TEAS Science objectives: Human Anatomy and Physiology,
Life and Physical Sciences, Scientific Reasoning
Science Practice Questions
Question 1: What is the primary function of the alveoli in the lungs?
A To filter blood
B To exchange gases
C To produce mucus
D To regulate airflow
Question 2: Which hormone, produced by the pancreas, lowers blood sugar levels?
A Glucagon
B Insulin
C Cortisol
D Thyroxine
Question 3: In a chemical reaction, what is the term for the substances that are formed?
A Reactants
B Catalysts
C Products
D Intermediates
Question 4: A scientist observes that patients with low vitamin D levels have weaker bones.
What is the independent variable?
A Bone strength
1
, B Vitamin D levels
C Patient age
D Diet type
Question 5: Which part of the nephron is primarily responsible for filtering blood in the kidneys?
A Loop of Henle
B Glomerulus
C Collecting duct
D Proximal tubule
Question 6: What is the role of the sinoatrial node in the heart?
A To pump blood
B To initiate heartbeats
C To regulate blood pressure
D To oxygenate blood
Question 7: What type of bond involves the sharing of electrons between atoms?
A Ionic
B Covalent
C Hydrogen
D Metallic
Question 8: A hypothesis states that increasing water intake improves skin hydration. How
could this be tested?
A Measure skin hydration in groups with different water intakes
B Compare skin color across patients
C Test blood pressure changes
D Analyze hair growth rates
Question 9: Which muscle type is found in the walls of blood vessels?
A Skeletal
B Cardiac
C Smooth
D Voluntary
2
, Question 10: What is the primary function of the epiglottis?
A To produce saliva
B To prevent food from entering the trachea
C To secrete digestive enzymes
D To regulate air temperature
Question 11: During photosynthesis, what molecule is produced as a byproduct?
A Carbon dioxide
B Oxygen
C Nitrogen
D Water
Question 12: A study finds that patients taking a new drug have lower cholesterol. What is the
dependent variable?
A Drug dosage
B Cholesterol levels
C Patient age
D Diet
Question 13: Which part of the brain controls voluntary movements?
A Cerebellum
B Medulla oblongata
C Cerebrum
D Hypothalamus
Question 14: What is the function of the gall bladder?
A To produce bile
B To store and release bile
C To digest carbohydrates
D To filter blood
Question 15: What is the pH of a neutral solution at 25°C?
A 5
B 7
C 9
3
