TEAS Science Practice Questions — Free Sampler (2026)

PreNursePrep has 682 Science questions for the ATI TEAS 7, each written to the current blueprint and each with a rationale explaining why the right answer is right. This section covers Scientific reasoning: experimental design, variables, hypotheses, evidence, Cardiovascular system and Respiratory system — 50 questions in 60 minutes on test day. The free sampler gives you 40 of them, timed and scored like the real exam, with no card and no sign-up.

  • 682 Science questions in the bank
  • 50 on the real exam · 60 minutes
  • Rationale on every question

3 sample Science questions

Drawn from the live ATI TEAS 7 bank. Answers and rationales open in the practice player.

  1. Question 1Digestive system

    In which part of the digestive tract does the majority of chemical digestion and nutrient absorption occur?

    • AStomach
    • BLarge intestine
    • CSmall intestine
    • DEsophagus
    See the answer & rationale free →
  2. Question 2Endocrine system (glands, hormones)

    Antidiuretic hormone (ADH) is synthesized in the hypothalamus but released into the bloodstream from which structure?

    • AAnterior pituitary
    • BPosterior pituitary
    • CAdrenal medulla
    • DPineal gland
    See the answer & rationale free →
  3. Question 3Cardiovascular system

    A student is labeling a diagram of the heart. Which of the following correctly describes the pathway of blood through the heart, beginning with deoxygenated blood entering from the body?

    • ARight atrium → right ventricle → pulmonary arteries → lungs → pulmonary veins → left atrium → left ventricle → aorta
    • BLeft atrium → left ventricle → pulmonary arteries → lungs → pulmonary veins → right atrium → right ventricle → aorta
    • CRight atrium → right ventricle → aorta → lungs → pulmonary veins → left atrium → left ventricle → pulmonary arteries
    • DRight ventricle → right atrium → pulmonary arteries → lungs → pulmonary veins → left ventricle → left atrium → aorta
    See the answer & rationale free →

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