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Exam Review

Key Facts: ATI TEAS Exam

150

Scored Questions

ATI

Varies

Minimum Score (set by each school)

ATI

29%

Science Section

ATI (44 of 150 scored items)

170

Total Questions

ATI TEAS 7

92,672

Qualified applications turned away, 2025 (AACN)

AACN 2025

209 min

Exam Duration

ATI

The ATI TEAS has no universal passing score: each nursing program sets its own minimum, and many weigh the TEAS alongside GPA (ATI). The Science section is the largest (44 of 150 scored items, 29%), testing anatomy, physiology, biology, and chemistry. With 92,672 qualified applications turned away by U.S. baccalaureate and graduate nursing programs in 2025 (AACN), a strong TEAS score is essential for admission.

Sample ATI TEAS Practice Questions

Try these sample questions to review concepts for the ATI TEAS exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 120+ question experience with AI tutoring.

1Which organ is primarily responsible for filtering blood and removing waste products from the body?

A.Liver

B.Kidneys

C.Lungs

D.Heart

Explanation: The kidneys are the primary organs responsible for filtering blood and removing waste products, which are then excreted as urine. While the liver does filter blood and remove toxins, its primary function is metabolism. The lungs handle gas exchange, and the heart pumps blood.

2The smallest structural and functional unit of the human body is the:

A.Organ

B.Tissue

C.Cell

D.Organ system

Explanation: The cell is the smallest structural and functional unit of the human body. Cells combine to form tissues, tissues form organs, and organs work together in organ systems. This hierarchy represents the levels of organization in the human body.

3Which body system is responsible for producing hormones that regulate metabolism, growth, and reproduction?

A.Nervous system

B.Endocrine system

C.Circulatory system

D.Lymphatic system

Explanation: The endocrine system produces hormones that regulate metabolism, growth, reproduction, and many other body functions. Glands such as the thyroid, pituitary, and adrenal glands are part of this system. The nervous system uses electrical signals, not hormones, for communication.

4Which of the following correctly describes the path of blood flow through the heart?

A.Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle

B.Left atrium → Left ventricle → Lungs → Right atrium → Right ventricle

C.Right ventricle → Right atrium → Lungs → Left ventricle → Left atrium

D.Left ventricle → Left atrium → Lungs → Right ventricle → Right atrium

Explanation: Blood flows from the body into the right atrium, then to the right ventricle, which pumps it to the lungs for oxygenation. Oxygenated blood returns to the left atrium, moves to the left ventricle, and is pumped out to the body. This is the complete cardiac cycle.

5The process by which nerve impulses are transmitted across a synapse involves the release of:

A.Hormones

B.Neurotransmitters

C.Enzymes

D.Antibodies

Explanation: Neurotransmitters are chemical messengers released from the axon terminal of one neuron that cross the synaptic cleft to bind with receptors on the next neuron. Common neurotransmitters include acetylcholine, dopamine, and serotonin. Hormones are used by the endocrine system for longer-distance communication.

6Which type of muscle tissue is found only in the heart and contracts without conscious control?

A.Skeletal muscle

B.Smooth muscle

C.Cardiac muscle

D.Striated muscle

Explanation: Cardiac muscle is found exclusively in the heart and contracts involuntarily. It has striations like skeletal muscle but is not under voluntary control. Smooth muscle is also involuntary but is found in organs like the stomach and blood vessels. Skeletal muscle is voluntary and attached to bones.

7The exchange of oxygen and carbon dioxide in the lungs occurs in the:

A.Bronchi

B.Trachea

C.Bronchioles

D.Alveoli

Explanation: Gas exchange occurs in the alveoli, tiny air sacs surrounded by capillaries in the lungs. Oxygen diffuses from the alveoli into the blood, while carbon dioxide diffuses from the blood into the alveoli to be exhaled. The bronchi, trachea, and bronchioles are conducting airways that transport air but do not participate in gas exchange.

8A patient has damage to the medulla oblongata. Which vital functions would most likely be affected?

A.Vision and hearing

B.Heart rate and breathing

C.Memory and learning

D.Balance and coordination

Explanation: The medulla oblongata, located in the brainstem, controls vital autonomic functions including heart rate, blood pressure, and breathing. Damage to this area can be life-threatening. Vision and hearing are processed in other brain areas, memory in the hippocampus, and balance in the cerebellum.

9During muscle contraction, which protein filaments slide past each other according to the sliding filament theory?

A.Actin and myosin

B.Collagen and elastin

C.Keratin and fibrin

D.Hemoglobin and myoglobin

Explanation: The sliding filament theory explains muscle contraction: thin actin filaments slide past thick myosin filaments, shortening the sarcomere. Myosin heads bind to actin, pull the filaments, release, and repeat. Collagen and elastin are connective tissue proteins, keratin is in hair and nails, and hemoglobin/myoglobin carry oxygen.

10What is the primary function of mitochondria in a cell?

A.Protein synthesis

B.Energy production (ATP)

C.Cell division

D.Waste removal

Explanation: Mitochondria are the 'powerhouses' of the cell, producing ATP (adenosine triphosphate) through cellular respiration. ATP is the primary energy currency of cells. Protein synthesis occurs at ribosomes, cell division is coordinated by the nucleus, and waste removal involves various cellular processes.

About the ATI TEAS Exam

The ATI TEAS is a nursing school admission exam testing academic readiness. It covers Science (29%), Reading (26%), Mathematics (23%), and English (22%). Scores determine admission to nursing programs.

Exam sponsor: ATI. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

170 questions

Time Limit

209 minutes

Passing Score

Varies by school

Exam / Certification Fees

$120 plus tax (ATI or PSI)

Exam sponsor website

Reported exam pass rate: Varies by school. each nursing program sets its own minimum score Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

29%

Science (44 questions)

Human anatomy & physiology, biology, chemistry, scientific reasoning

26%

Reading (39 questions)

Key ideas, craft & structure, integration of knowledge

23%

Mathematics (34 questions)

Numbers & algebra, measurement & data, geometry basics

22%

English (33 questions)

Standard English conventions, language knowledge, vocabulary

Preparing for the ATI TEAS Exam

What You Need to Know

Passing score: Varies by school
Exam length: 170 questions
Time limit: 209 minutes
Exam / certification fees: $120 plus tax (ATI or PSI) Official sources

Using Our Practice Resources

Work through all 120 available questions
Review every answer and explanation
Track weak areas and revisit them
Use our AI tutor for tough concepts

ATI TEAS: Suggested Study Strategy

1Focus on Science - it's 29% of your score and tests detailed A&P knowledge

2Memorize body systems, especially cardiovascular, respiratory, and digestive

3Practice math by hand first, then with the exam's basic on-screen calculator

4Review grammar rules: subject-verb agreement, punctuation, sentence structure

5Time yourself on practice tests - you have about 60 to 90 seconds per question, depending on the section

Frequently Asked Questions

What is the average TEAS score?

Your ATI TEAS score report shows the national mean, which ATI defines as the average score of all examinees, along with your national percentile rank. ATI groups total scores into five preparedness levels: Developmental 0.0-40.0%, Basic 40.7-58.0%, Proficient 58.7-79.3%, Advanced 80.0-91.3% and Exemplary 92.0-100%.

What score do I need on the TEAS?

Required scores vary by program. ATI says there is no universal passing score: each school sets its own minimum, and many weigh the TEAS alongside GPA and other factors. Check the published minimum for each program you apply to.

How hard is the TEAS exam?

The TEAS is moderately difficult. Science is the largest section, testing anatomy, physiology, biology, and chemistry. ATI recommends allowing at least six weeks, starting with its free online practice test and then your weakest subjects.

How should I study for the TEAS?

ATI recommends allowing at least six weeks of preparation. Focus heavily on Science (29% of score) including anatomy/physiology. Practice math without a calculator. Review grammar rules for English. Complete at least 500 practice questions.

Can I retake the TEAS?

Yes. ATI does not require a waiting period between attempts; the program you are applying to decides how many attempts it accepts and whether any time must pass between them. Each attempt is a new registration at the full price. Check with your target programs before retaking.

Why is the TEAS important?

ATI notes that 30% of qualified applicants are turned away from ADN, diploma and BSN programs, and many schools weigh the TEAS alongside GPA and other factors (ATI). A score above your program's published minimum strengthens your application.