Fall Semester 2025 – Comprehensive Ultimate Study Guide for
TEAS 7 Exam Preparation | Extensive Resource Featuring Over
200 Verified Practice Questions, In-Depth Answer Explanations,
Essential Test-Taking Strategies, Detailed Subject Reviews Across
All Sections, and Proven Techniques for Achieving Exceptional
Scores in Nursing School Admissions
Question 1
What is the largest organ in the human body?
A) Heart
B) Liver
C) Skin
D) Lungs
CORRECT ANSWER: C) Skin
Rationale: The skin is the body’s largest organ, serving as a protective barrier and
playing a crucial role in regulating temperature and sensation.
Question 2
Which of the following is a function of the kidneys?
A) Producing insulin
B) Filtering blood
C) Storing bile
D) Producing hormones
CORRECT ANSWER: B) Filtering blood
Rationale: The kidneys are responsible for filtering waste products from the blood and
maintaining fluid and electrolyte balance.
Question 3
What is the primary purpose of the respiratory system?
A) Digestion of food
B) Gas exchange
C) Regulation of body temperature
D) Circulation of blood
CORRECT ANSWER: B) Gas exchange
,Rationale: The primary function of the respiratory system is to facilitate gas exchange,
allowing oxygen to enter the bloodstream and carbon dioxide to be expelled.
Question 4
Which of the following best defines homeostasis?
A) Reproduction
B) Maintaining a stable internal environment
C) Growth and development
D) Response to stimuli
CORRECT ANSWER: B) Maintaining a stable internal environment
Rationale: Homeostasis refers to the maintenance of stable internal conditions in the
body, ensuring optimal functioning despite external changes.
Question 5
What is the role of enzymes in biochemical reactions?
A) Increase temperature
B) Speed up reactions
C) Break down cells
D) Store energy
CORRECT ANSWER: B) Speed up reactions
Rationale: Enzymes are catalysts that increase the rate of chemical reactions by
lowering the activation energy required for the reaction to occur.
Question 6
Which of the following cells is responsible for the immune response?
A) Erythrocytes
B) Lymphocytes
C) Thrombocytes
D) Neurons
CORRECT ANSWER: B) Lymphocytes
Rationale: Lymphocytes are a type of white blood cell crucial for the immune response,
helping to identify and destroy pathogens.
Question 7
What is the primary function of red blood cells?
,A) Transporting oxygen
B) Fighting infections
C) Clotting blood
D) Producing antibodies
CORRECT ANSWER: A) Transporting oxygen
Rationale: Red blood cells contain hemoglobin, a protein that binds oxygen and carries
it from the lungs to the tissues.
Question 8
In which part of the cell does cellular respiration primarily occur?
A) Nucleus
B) Endoplasmic reticulum
C) Mitochondria
D) Golgi apparatus
CORRECT ANSWER: C) Mitochondria
Rationale: Mitochondria are known as the powerhouse of the cell, where cellular
respiration occurs to produce ATP.
Question 9
Which of the following is a characteristic of arteries?
A) Thick, muscular walls
B) Valves to prevent backflow
C) Carry blood toward the heart
D) Have a wide lumen
CORRECT ANSWER: A) Thick, muscular walls
Rationale: Arteries have thick, muscular walls to withstand high pressure as they
transport blood away from the heart.
Question 10
Which of the following is a sign of dehydration?
A) Increased appetite
B) Dry skin
C) Increased energy
D) Enhanced alertness
, CORRECT ANSWER: B) Dry skin
Rationale: Dry skin is a common sign of dehydration, which occurs when the body
loses more fluids than it takes in.
Question 11
The process through which an organism's genetic information is passed on to its
offspring is known as:
A) Evolution
B) Heredity
C) Mutation
D) Adaptation
CORRECT ANSWER: B) Heredity
Rationale: Heredity is the process of passing genetic information from parents to
offspring.
Question 12
Which of the following vitamins is essential for bone health?
A) Vitamin B12
B) Vitamin C
C) Vitamin D
D) Vitamin K
CORRECT ANSWER: C) Vitamin D
Rationale: Vitamin D is crucial for calcium absorption, which is vital for maintaining
healthy bones.
Question 13
What is the primary role of the pancreas in the digestive system?
A) Producing bile
B) Releasing digestive enzymes
C) Absorbing nutrients
D) Storing waste
CORRECT ANSWER: B) Releasing digestive enzymes
Rationale: The pancreas produces digestive enzymes that aid in breaking down
carbohydrates, proteins, and fats.
TEAS 7 Exam Preparation | Extensive Resource Featuring Over
200 Verified Practice Questions, In-Depth Answer Explanations,
Essential Test-Taking Strategies, Detailed Subject Reviews Across
All Sections, and Proven Techniques for Achieving Exceptional
Scores in Nursing School Admissions
Question 1
What is the largest organ in the human body?
A) Heart
B) Liver
C) Skin
D) Lungs
CORRECT ANSWER: C) Skin
Rationale: The skin is the body’s largest organ, serving as a protective barrier and
playing a crucial role in regulating temperature and sensation.
Question 2
Which of the following is a function of the kidneys?
A) Producing insulin
B) Filtering blood
C) Storing bile
D) Producing hormones
CORRECT ANSWER: B) Filtering blood
Rationale: The kidneys are responsible for filtering waste products from the blood and
maintaining fluid and electrolyte balance.
Question 3
What is the primary purpose of the respiratory system?
A) Digestion of food
B) Gas exchange
C) Regulation of body temperature
D) Circulation of blood
CORRECT ANSWER: B) Gas exchange
,Rationale: The primary function of the respiratory system is to facilitate gas exchange,
allowing oxygen to enter the bloodstream and carbon dioxide to be expelled.
Question 4
Which of the following best defines homeostasis?
A) Reproduction
B) Maintaining a stable internal environment
C) Growth and development
D) Response to stimuli
CORRECT ANSWER: B) Maintaining a stable internal environment
Rationale: Homeostasis refers to the maintenance of stable internal conditions in the
body, ensuring optimal functioning despite external changes.
Question 5
What is the role of enzymes in biochemical reactions?
A) Increase temperature
B) Speed up reactions
C) Break down cells
D) Store energy
CORRECT ANSWER: B) Speed up reactions
Rationale: Enzymes are catalysts that increase the rate of chemical reactions by
lowering the activation energy required for the reaction to occur.
Question 6
Which of the following cells is responsible for the immune response?
A) Erythrocytes
B) Lymphocytes
C) Thrombocytes
D) Neurons
CORRECT ANSWER: B) Lymphocytes
Rationale: Lymphocytes are a type of white blood cell crucial for the immune response,
helping to identify and destroy pathogens.
Question 7
What is the primary function of red blood cells?
,A) Transporting oxygen
B) Fighting infections
C) Clotting blood
D) Producing antibodies
CORRECT ANSWER: A) Transporting oxygen
Rationale: Red blood cells contain hemoglobin, a protein that binds oxygen and carries
it from the lungs to the tissues.
Question 8
In which part of the cell does cellular respiration primarily occur?
A) Nucleus
B) Endoplasmic reticulum
C) Mitochondria
D) Golgi apparatus
CORRECT ANSWER: C) Mitochondria
Rationale: Mitochondria are known as the powerhouse of the cell, where cellular
respiration occurs to produce ATP.
Question 9
Which of the following is a characteristic of arteries?
A) Thick, muscular walls
B) Valves to prevent backflow
C) Carry blood toward the heart
D) Have a wide lumen
CORRECT ANSWER: A) Thick, muscular walls
Rationale: Arteries have thick, muscular walls to withstand high pressure as they
transport blood away from the heart.
Question 10
Which of the following is a sign of dehydration?
A) Increased appetite
B) Dry skin
C) Increased energy
D) Enhanced alertness
, CORRECT ANSWER: B) Dry skin
Rationale: Dry skin is a common sign of dehydration, which occurs when the body
loses more fluids than it takes in.
Question 11
The process through which an organism's genetic information is passed on to its
offspring is known as:
A) Evolution
B) Heredity
C) Mutation
D) Adaptation
CORRECT ANSWER: B) Heredity
Rationale: Heredity is the process of passing genetic information from parents to
offspring.
Question 12
Which of the following vitamins is essential for bone health?
A) Vitamin B12
B) Vitamin C
C) Vitamin D
D) Vitamin K
CORRECT ANSWER: C) Vitamin D
Rationale: Vitamin D is crucial for calcium absorption, which is vital for maintaining
healthy bones.
Question 13
What is the primary role of the pancreas in the digestive system?
A) Producing bile
B) Releasing digestive enzymes
C) Absorbing nutrients
D) Storing waste
CORRECT ANSWER: B) Releasing digestive enzymes
Rationale: The pancreas produces digestive enzymes that aid in breaking down
carbohydrates, proteins, and fats.
