ATI TEAS 7 Practice Test 2026: Free Study
Guide & Science Q&A Review
Description:
Master the ATI TEAS 7 exam on your first attempt with our targeted 2025-2026 practice test
and study guide. This comprehensive resource is specifically designed for nursing and allied
health program applicants, featuring detailed Science section review with complete answers and
explanations. Dive deep into Human Anatomy & Physiology, Biology, and Chemistry—the
core subjects that determine your score. Our material includes updated TEAS 7 questions that
mirror the actual exam format, helping you build confidence in cellular biology, genetics, the
cardiovascular system, and human body systems.
Stop overwhelming yourself with outdated information. Get the precise, high-yield review you need to
excel. Download your free TEAS 7 study guide now and start your journey to nursing school today!
, ATI TEAS 7 Practice Test & Review Questions (2025-2026 Guide)
1. Which of the following best describes the primary role of the respiratory system?
a) To transport nutrients to body tissues
b) To facilitate gas exchange between the body and the environment
c) To pump blood throughout the circulatory system
d) To break down food for energy absorption
Answer: b) To facilitate gas exchange between the body and the environment
Explanation: The principal responsibility of the respiratory system is the process of gas
exchange, specifically the intake of oxygen (O2) from the atmosphere and the elimination of
carbon dioxide (CO2) from the bloodstream.
2. Identify the structure commonly referred to as the "voice box."
a) Trachea
b) Pharynx
c) Larynx
d) Bronchus
Answer: c) Larynx
Explanation: The larynx houses the vocal cords and is the anatomical structure responsible for
sound production, hence its designation as the voice box.
3. What is the functional role of alveoli within the respiratory system?
Answer: Alveoli are tiny, sac-like structures located at the terminal ends of the bronchioles
where the actual exchange of oxygen and carbon dioxide with the blood capillaries occurs.
Explanation: Their thin walls and extensive surface area are crucial for the efficient diffusion of
gases into and out of the bloodstream.
4. Which chamber of the heart is responsible for receiving deoxygenated blood from the
body?
a) Left Atrium
b) Left Ventricle
, c) Right Atrium
d) Right Ventricle
Answer: c) Right Atrium
Explanation: The right atrium acts as the first receiving chamber for deoxygenated blood
returning from the systemic circulation via the superior and inferior vena cavae.
5. Differentiate between the functions of arteries and veins.
Answer: Arteries carry oxygen-rich blood away from the heart to the body's tissues, while veins
return oxygen-depleted blood back to the heart.
Explanation: The direction of blood flow and the oxygenation level of the blood are the key
distinguishing factors, with arteries typically carrying oxygenated blood (except for the
pulmonary artery) and veins carrying deoxygenated blood (except for the pulmonary vein).
6. Which of the following sequences correctly illustrates the path of blood flow starting
from the vena cavae?
a) Right Atrium → Right Ventricle → Pulmonary Artery → Lungs
b) Left Atrium → Left Ventricle → Aorta → Body
c) Right Ventricle → Right Atrium → Pulmonary Vein → Lungs
d) Left Ventricle → Left Atrium → Pulmonary Artery → Lungs
Answer: a) Right Atrium → Right Ventricle → Pulmonary Artery → Lungs
Explanation: Deoxygenated blood enters the right atrium, is pumped to the right ventricle, then
through the pulmonary artery to the lungs for oxygenation, making this the correct sequence for
pulmonary circulation.
7. A hormone produced in the small intestine that stimulates the pancreas to release
digestive enzymes and the gallbladder to release bile is known as:
a) Insulin
b) Gastrin
c) Secretin
d) Cholecystokinin (CCK)
Guide & Science Q&A Review
Description:
Master the ATI TEAS 7 exam on your first attempt with our targeted 2025-2026 practice test
and study guide. This comprehensive resource is specifically designed for nursing and allied
health program applicants, featuring detailed Science section review with complete answers and
explanations. Dive deep into Human Anatomy & Physiology, Biology, and Chemistry—the
core subjects that determine your score. Our material includes updated TEAS 7 questions that
mirror the actual exam format, helping you build confidence in cellular biology, genetics, the
cardiovascular system, and human body systems.
Stop overwhelming yourself with outdated information. Get the precise, high-yield review you need to
excel. Download your free TEAS 7 study guide now and start your journey to nursing school today!
, ATI TEAS 7 Practice Test & Review Questions (2025-2026 Guide)
1. Which of the following best describes the primary role of the respiratory system?
a) To transport nutrients to body tissues
b) To facilitate gas exchange between the body and the environment
c) To pump blood throughout the circulatory system
d) To break down food for energy absorption
Answer: b) To facilitate gas exchange between the body and the environment
Explanation: The principal responsibility of the respiratory system is the process of gas
exchange, specifically the intake of oxygen (O2) from the atmosphere and the elimination of
carbon dioxide (CO2) from the bloodstream.
2. Identify the structure commonly referred to as the "voice box."
a) Trachea
b) Pharynx
c) Larynx
d) Bronchus
Answer: c) Larynx
Explanation: The larynx houses the vocal cords and is the anatomical structure responsible for
sound production, hence its designation as the voice box.
3. What is the functional role of alveoli within the respiratory system?
Answer: Alveoli are tiny, sac-like structures located at the terminal ends of the bronchioles
where the actual exchange of oxygen and carbon dioxide with the blood capillaries occurs.
Explanation: Their thin walls and extensive surface area are crucial for the efficient diffusion of
gases into and out of the bloodstream.
4. Which chamber of the heart is responsible for receiving deoxygenated blood from the
body?
a) Left Atrium
b) Left Ventricle
, c) Right Atrium
d) Right Ventricle
Answer: c) Right Atrium
Explanation: The right atrium acts as the first receiving chamber for deoxygenated blood
returning from the systemic circulation via the superior and inferior vena cavae.
5. Differentiate between the functions of arteries and veins.
Answer: Arteries carry oxygen-rich blood away from the heart to the body's tissues, while veins
return oxygen-depleted blood back to the heart.
Explanation: The direction of blood flow and the oxygenation level of the blood are the key
distinguishing factors, with arteries typically carrying oxygenated blood (except for the
pulmonary artery) and veins carrying deoxygenated blood (except for the pulmonary vein).
6. Which of the following sequences correctly illustrates the path of blood flow starting
from the vena cavae?
a) Right Atrium → Right Ventricle → Pulmonary Artery → Lungs
b) Left Atrium → Left Ventricle → Aorta → Body
c) Right Ventricle → Right Atrium → Pulmonary Vein → Lungs
d) Left Ventricle → Left Atrium → Pulmonary Artery → Lungs
Answer: a) Right Atrium → Right Ventricle → Pulmonary Artery → Lungs
Explanation: Deoxygenated blood enters the right atrium, is pumped to the right ventricle, then
through the pulmonary artery to the lungs for oxygenation, making this the correct sequence for
pulmonary circulation.
7. A hormone produced in the small intestine that stimulates the pancreas to release
digestive enzymes and the gallbladder to release bile is known as:
a) Insulin
b) Gastrin
c) Secretin
d) Cholecystokinin (CCK)
