ATI TEAS 7 Science Practice Questions 2025 – 80 High-Impact Questions with Answers & Expert Explanations

ATI TEAS 7 Science Practice Questions (2025
Objectives) - Second Set



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 bronchioles in the respiratory system?
A To produce surfactant
B To conduct air to the alveoli
C To filter incoming air
D To regulate oxygen levels

Question 2: Which hormone, secreted by the anterior pituitary, stimulates growth?
A Growth hormone
B Prolactin
C Oxytocin
D ACTH

Question 3: What is the primary source of energy for Earth’s water cycle?
A Wind
B Solar energy
C Geothermal heat
D Tidal forces

Question 4: A researcher observes that patients with high-fiber diets have lower cholesterol.
What is the dependent variable?
A Fiber intake


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, B Cholesterol levels
C Patient weight
D Exercise frequency

Question 5: Which structure in the kidney reabsorbs water and nutrients back into the blood?
A Distal tubule
B Bowman’s capsule
C Proximal tubule
D Renal artery

Question 6: What is the function of the bundle of His in the heart?
A To initiate contractions
B To conduct electrical impulses
C To regulate blood flow
D To store blood

Question 7: What type of bond forms between water molecules due to polarity?
A Covalent
B Ionic
C Hydrogen
D Van der Waals

Question 8: A hypothesis states that regular exercise reduces stress levels. How could this be
tested?
A Compare stress levels in exercising and non-exercising groups
B Measure exercise duration only
C Test blood sugar levels
D Analyze sleep patterns

Question 9: Which type of muscle is responsible for peristalsis in the digestive tract?
A Skeletal
B Cardiac
C Smooth
D Striated



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, Question 10: What is the primary role of the larynx?
A To produce sound
B To filter air
C To transport oxygen
D To humidify air

Question 11: During cellular respiration, what molecule is the final electron acceptor?
A Glucose
B Oxygen
C Carbon dioxide
D Water

Question 12: A study finds that a new therapy improves sleep quality. What is the independent
variable?
A Sleep quality
B Therapy type
C Patient age
D Room temperature

Question 13: Which part of the brain regulates heart rate and breathing?
A Cerebrum
B Medulla oblongata
C Thalamus
D Amygdala

Question 14: What is the function of the pancreas in digestion?
A To secrete digestive enzymes
B To absorb nutrients
C To store bile
D To produce mucus

Question 15: What is the pH range of an acidic solution?
A 7–14
B 0–7
C 7

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