Comprehensive Set of 80 Unique and Complete
Multiple-Choice Questions for the ATI TEAS 7
Science Section (2025 Objectives) - Fourth Edition
80 Unique Multiple-Choice Questions for the ATI TEAS 7 Science Section
Designed to align with 2025 TEAS objectives: Human Anatomy and Physiology, Life
and Physical Sciences, Scientific Reasoning
Science Practice Questions
Question 1: What is the primary function of the Purkinje fibers in the heart?
A To initiate heartbeats
B To conduct electrical impulses to the ventricles
C To regulate blood pressure
D To filter blood
Question 2: Which hormone, produced by the thyroid gland, increases metabolic rate?
A Thyroxine
B Calcitonin
C Parathyroid hormone
D Melatonin
Question 3: What is the primary source of energy for Earth’s nitrogen cycle?
A Lightning
B Solar energy
C Bacterial activity
D Wind energy
Question 4: A researcher observes that patients with high calcium intake have stronger bones.
What is the independent variable?
1
, A Bone strength
B Calcium intake
C Patient age
D Exercise levels
Question 5: Which structure in the kidney is responsible for forming urine?
A Renal artery
B Nephron
C Ureter
D Bladder
Question 6: What is the role of the tricuspid valve in the heart?
A To prevent backflow from the right ventricle to the right atrium
B To pump blood to the lungs
C To regulate heart rate
D To oxygenate blood
Question 7: What type of bond forms when electrons are transferred between atoms?
A Covalent
B Ionic
C Hydrogen
D Metallic
Question 8: A hypothesis states that daily stretching improves flexibility. How could this be
tested?
A Measure flexibility in groups with and without stretching
B Test muscle strength
C Analyze heart rate changes
D Compare diet habits
Question 9: Which muscle type is found in the heart?
A Skeletal
B Smooth
C Cardiac
D Voluntary
2
, Question 10: What is the primary function of the trachea in the respiratory system?
A To exchange gases
B To conduct air to the lungs
C To produce mucus
D To regulate air temperature
Question 11: During glycolysis, what molecule is broken down to produce energy?
A Glucose
B Oxygen
C Carbon dioxide
D Water
Question 12: A study finds that a new cream improves skin elasticity. What is the dependent
variable?
A Cream application
B Skin elasticity
C Participant age
D Application frequency
Question 13: Which part of the brain coordinates voluntary muscle movements?
A Cerebellum
B Medulla oblongata
C Thalamus
D Hypothalamus
Question 14: What is the function of the stomach in digestion?
A To absorb nutrients
B To break down food with acid and enzymes
C To store bile
D To reabsorb water
Question 15: What is the pH of a solution with equal concentrations of H� and OH� ions?
A 5
B 7
C 9
3
Multiple-Choice Questions for the ATI TEAS 7
Science Section (2025 Objectives) - Fourth Edition
80 Unique Multiple-Choice Questions for the ATI TEAS 7 Science Section
Designed to align with 2025 TEAS objectives: Human Anatomy and Physiology, Life
and Physical Sciences, Scientific Reasoning
Science Practice Questions
Question 1: What is the primary function of the Purkinje fibers in the heart?
A To initiate heartbeats
B To conduct electrical impulses to the ventricles
C To regulate blood pressure
D To filter blood
Question 2: Which hormone, produced by the thyroid gland, increases metabolic rate?
A Thyroxine
B Calcitonin
C Parathyroid hormone
D Melatonin
Question 3: What is the primary source of energy for Earth’s nitrogen cycle?
A Lightning
B Solar energy
C Bacterial activity
D Wind energy
Question 4: A researcher observes that patients with high calcium intake have stronger bones.
What is the independent variable?
1
, A Bone strength
B Calcium intake
C Patient age
D Exercise levels
Question 5: Which structure in the kidney is responsible for forming urine?
A Renal artery
B Nephron
C Ureter
D Bladder
Question 6: What is the role of the tricuspid valve in the heart?
A To prevent backflow from the right ventricle to the right atrium
B To pump blood to the lungs
C To regulate heart rate
D To oxygenate blood
Question 7: What type of bond forms when electrons are transferred between atoms?
A Covalent
B Ionic
C Hydrogen
D Metallic
Question 8: A hypothesis states that daily stretching improves flexibility. How could this be
tested?
A Measure flexibility in groups with and without stretching
B Test muscle strength
C Analyze heart rate changes
D Compare diet habits
Question 9: Which muscle type is found in the heart?
A Skeletal
B Smooth
C Cardiac
D Voluntary
2
, Question 10: What is the primary function of the trachea in the respiratory system?
A To exchange gases
B To conduct air to the lungs
C To produce mucus
D To regulate air temperature
Question 11: During glycolysis, what molecule is broken down to produce energy?
A Glucose
B Oxygen
C Carbon dioxide
D Water
Question 12: A study finds that a new cream improves skin elasticity. What is the dependent
variable?
A Cream application
B Skin elasticity
C Participant age
D Application frequency
Question 13: Which part of the brain coordinates voluntary muscle movements?
A Cerebellum
B Medulla oblongata
C Thalamus
D Hypothalamus
Question 14: What is the function of the stomach in digestion?
A To absorb nutrients
B To break down food with acid and enzymes
C To store bile
D To reabsorb water
Question 15: What is the pH of a solution with equal concentrations of H� and OH� ions?
A 5
B 7
C 9
3
