ATI TEAS 7 Science Test Bank 200 Questions Latest
Update 2026 | Exam Prep |
1. Describe the role of the pleura in relation to the lungs.
The pleura helps in the production of lung surfactant.
The pleura is responsible for oxygen exchange in the lungs.
The pleura connects the lungs to the diaphragm.
The pleura serves as a protective connective tissue sheath that
allows for smooth movement of the lungs during respiration.
2. Which materials are excreted through sweat glands in the skin?
salt, urea, and water
fats, ammonia, and water
carbon dioxide, hydrogen, and water
urine, alcohol, and water
3. What is the name of the muscle that separates the thoracic cavity from the
abdominal cavity and is crucial for respiration?
Rectus abdominis
Diaphragm
Intercostal muscles
Pectoralis major
4. What does a pH of 3 indicate about a substance's acidity compared to a pH
of 4?
It is 10 times more acidic.
, It is 100 times more acidic.
It is neutral.
It is less acidic.
5. What is the primary characteristic of osmosis?
Movement of water molecules from an area of high concentration to
an area of low concentration through a selectively permeable
membrane.
Movement of solutes through a permeable membrane.
Movement of solutes from low concentration to high concentration.
Movement of water molecules from low concentration to high
concentration.
6. What is the primary characteristic of exocrine glands?
They secrete substances through ducts to the outside of the body.
They release hormones directly into the bloodstream.
They are involved in the production of antibodies.
They are responsible for the absorption of nutrients.
7. Which valve separates the left atrium from the left ventricle? Answers:
Pulmonary
Tricupsid
Mitral
Aortic
,8. Describe how the chemical bonding differs between monosaccharides and
disaccharides.
Monosaccharides are single sugar molecules, while disaccharides
are formed by the glycosidic bond between two monosaccharides.
Monosaccharides are formed through hydrolysis, while disaccharides
are formed through oxidation.
Monosaccharides have no bonds, while disaccharides have ionic
bonds.
Monosaccharides are linked by peptide bonds, while disaccharides
are linked by hydrogen bonds.
9. A myocardial infraction affects which of the following blood vessels of the
heart?
aorta
pulmonary
vena cava
coronary
10. Describe the role of the corpus luteum in the maintenance of the uterine
lining during pregnancy.
The corpus luteum secretes hormones such as progesterone, which
help maintain the uterine lining for a developing embryo.
The corpus luteum is responsible for the release of the ovum.
The corpus luteum produces eggs for fertilization.
The corpus luteum initiates the menstrual cycle.
, 11. Which of the following is true about a virus?
It can metabolize
It needs a host
It has organelles
It has a nucleus
12. Which of the following is responsible for the regulation of breathing rate and
depth?
Alveoli
Bronchioles
Diaphragm
Intercostal muscles
Medulla oblongata
13. What is the term used for the group that does not receive the experimental
treatment?
Population
Sample
Control
Variable
14. What is the first step in the scientific method?
Conclusion
Hypothesis
Experimentation
Update 2026 | Exam Prep |
1. Describe the role of the pleura in relation to the lungs.
The pleura helps in the production of lung surfactant.
The pleura is responsible for oxygen exchange in the lungs.
The pleura connects the lungs to the diaphragm.
The pleura serves as a protective connective tissue sheath that
allows for smooth movement of the lungs during respiration.
2. Which materials are excreted through sweat glands in the skin?
salt, urea, and water
fats, ammonia, and water
carbon dioxide, hydrogen, and water
urine, alcohol, and water
3. What is the name of the muscle that separates the thoracic cavity from the
abdominal cavity and is crucial for respiration?
Rectus abdominis
Diaphragm
Intercostal muscles
Pectoralis major
4. What does a pH of 3 indicate about a substance's acidity compared to a pH
of 4?
It is 10 times more acidic.
, It is 100 times more acidic.
It is neutral.
It is less acidic.
5. What is the primary characteristic of osmosis?
Movement of water molecules from an area of high concentration to
an area of low concentration through a selectively permeable
membrane.
Movement of solutes through a permeable membrane.
Movement of solutes from low concentration to high concentration.
Movement of water molecules from low concentration to high
concentration.
6. What is the primary characteristic of exocrine glands?
They secrete substances through ducts to the outside of the body.
They release hormones directly into the bloodstream.
They are involved in the production of antibodies.
They are responsible for the absorption of nutrients.
7. Which valve separates the left atrium from the left ventricle? Answers:
Pulmonary
Tricupsid
Mitral
Aortic
,8. Describe how the chemical bonding differs between monosaccharides and
disaccharides.
Monosaccharides are single sugar molecules, while disaccharides
are formed by the glycosidic bond between two monosaccharides.
Monosaccharides are formed through hydrolysis, while disaccharides
are formed through oxidation.
Monosaccharides have no bonds, while disaccharides have ionic
bonds.
Monosaccharides are linked by peptide bonds, while disaccharides
are linked by hydrogen bonds.
9. A myocardial infraction affects which of the following blood vessels of the
heart?
aorta
pulmonary
vena cava
coronary
10. Describe the role of the corpus luteum in the maintenance of the uterine
lining during pregnancy.
The corpus luteum secretes hormones such as progesterone, which
help maintain the uterine lining for a developing embryo.
The corpus luteum is responsible for the release of the ovum.
The corpus luteum produces eggs for fertilization.
The corpus luteum initiates the menstrual cycle.
, 11. Which of the following is true about a virus?
It can metabolize
It needs a host
It has organelles
It has a nucleus
12. Which of the following is responsible for the regulation of breathing rate and
depth?
Alveoli
Bronchioles
Diaphragm
Intercostal muscles
Medulla oblongata
13. What is the term used for the group that does not receive the experimental
treatment?
Population
Sample
Control
Variable
14. What is the first step in the scientific method?
Conclusion
Hypothesis
Experimentation
