ATI TEAS 7 Science Practice Questions for In-Depth
Study of Anatomy, Physiology, Sciences, and Scientific
Reasoning
This document contains 80 unique multiple-choice questions designed for the Science
section of the ATI TEAS 7 exam, aligned with 2025 guidelines. The questions are divided
into Human Anatomy and Physiology (32 questions), Life and Physical Sciences (24
questions), and Scientific Reasoning (24 questions). Each question has four answer choices
(A–D), with only one correct answer. An answer key is provided at the end.
Human Anatomy and Physiology (Questions 1–32)
1. Which structure in the heart prevents backflow of blood into the atria?
A. Septum
B. Valves
C. Coronary arteries
D. Chordae tendineae
2. The primary function of the urethra is to:
A. Filter blood
B. Transport urine out of the body
C. Store urine
D. Produce urine
3. Which hormone, secreted by the adrenal cortex, regulates sodium balance?
A. Cortisol
B. Aldosterone
C. Adrenaline
D. Glucagon
4. The primary site of nutrient absorption in the digestive system is the:
A. Stomach
B. Small intestine
1
, C. Large intestine
D. Esophagus
5. Which type of muscle is found only in the heart?
A. Skeletal
B. Smooth
C. Cardiac
D. Voluntary
6. The transverse plane divides the body into:
A. Left and right halves
B. Superior and inferior halves
C. Anterior and posterior halves
D. Medial and lateral halves
7. Which part of the brain coordinates voluntary movements?
A. Cerebellum
B. Hypothalamus
C. Thalamus
D. Medulla oblongata
8. The primary function of hemoglobin is to:
A. Fight pathogens
B. Transport oxygen
C. Clot blood
D. Store glucose
9. Which bone forms the cheekbone?
A. Maxilla
B. Mandible
C. Zygomatic
D. Frontal
10. The primary function of the pancreas in digestion is to:
A. Absorb nutrients
B. Produce digestive enzymes
C. Store bile
D. Neutralize stomach acid
2
, 11. Which blood vessels return blood to the heart?
A. Arteries
B. Veins
C. Capillaries
D. Arterioles
12. The parathyroid glands primarily regulate:
A. Blood sugar
B. Calcium levels
C. Blood pressure
D. Heart rate
13. Which bone is part of the appendicular skeleton?
A. Skull
B. Clavicle
C. Vertebrae
D. Ribs
14. The peripheral nervous system includes:
A. Brain and spinal cord
B. Nerves outside the brain and spinal cord
C. Autonomic nervous system only
D. Somatic nervous system only
15. Which structure in the eye controls the amount of light entering?
A. Retina
B. Lens
C. Iris
D. Cornea
16. The primary function of the pharynx is to:
A. Digest carbohydrates
B. Conduct air and food
C. Filter blood
D. Produce saliva
17. Which organ detoxifies harmful substances in the blood?
A. Kidneys
3
Study of Anatomy, Physiology, Sciences, and Scientific
Reasoning
This document contains 80 unique multiple-choice questions designed for the Science
section of the ATI TEAS 7 exam, aligned with 2025 guidelines. The questions are divided
into Human Anatomy and Physiology (32 questions), Life and Physical Sciences (24
questions), and Scientific Reasoning (24 questions). Each question has four answer choices
(A–D), with only one correct answer. An answer key is provided at the end.
Human Anatomy and Physiology (Questions 1–32)
1. Which structure in the heart prevents backflow of blood into the atria?
A. Septum
B. Valves
C. Coronary arteries
D. Chordae tendineae
2. The primary function of the urethra is to:
A. Filter blood
B. Transport urine out of the body
C. Store urine
D. Produce urine
3. Which hormone, secreted by the adrenal cortex, regulates sodium balance?
A. Cortisol
B. Aldosterone
C. Adrenaline
D. Glucagon
4. The primary site of nutrient absorption in the digestive system is the:
A. Stomach
B. Small intestine
1
, C. Large intestine
D. Esophagus
5. Which type of muscle is found only in the heart?
A. Skeletal
B. Smooth
C. Cardiac
D. Voluntary
6. The transverse plane divides the body into:
A. Left and right halves
B. Superior and inferior halves
C. Anterior and posterior halves
D. Medial and lateral halves
7. Which part of the brain coordinates voluntary movements?
A. Cerebellum
B. Hypothalamus
C. Thalamus
D. Medulla oblongata
8. The primary function of hemoglobin is to:
A. Fight pathogens
B. Transport oxygen
C. Clot blood
D. Store glucose
9. Which bone forms the cheekbone?
A. Maxilla
B. Mandible
C. Zygomatic
D. Frontal
10. The primary function of the pancreas in digestion is to:
A. Absorb nutrients
B. Produce digestive enzymes
C. Store bile
D. Neutralize stomach acid
2
, 11. Which blood vessels return blood to the heart?
A. Arteries
B. Veins
C. Capillaries
D. Arterioles
12. The parathyroid glands primarily regulate:
A. Blood sugar
B. Calcium levels
C. Blood pressure
D. Heart rate
13. Which bone is part of the appendicular skeleton?
A. Skull
B. Clavicle
C. Vertebrae
D. Ribs
14. The peripheral nervous system includes:
A. Brain and spinal cord
B. Nerves outside the brain and spinal cord
C. Autonomic nervous system only
D. Somatic nervous system only
15. Which structure in the eye controls the amount of light entering?
A. Retina
B. Lens
C. Iris
D. Cornea
16. The primary function of the pharynx is to:
A. Digest carbohydrates
B. Conduct air and food
C. Filter blood
D. Produce saliva
17. Which organ detoxifies harmful substances in the blood?
A. Kidneys
3
