HESI A2 Anatomy & Physiology: 200 ACTUAL Exam-Style
Questions with Correct Answers & In-Depth Rationales –
Guaranteed Review for Nursing School Entrance Complete
practice bank covering all body systems, homeostasis,
tissues, and high-yield HESI concepts
📝 Introduction
Welcome to your ultimate HESI A2 Anatomy & Physiology preparation guide.
This document contains 200 carefully crafted, exam-style questions that mirror the
difficulty, wording, and content distribution of the real HESI A2 Anatomy &
Physiology section. Each question is followed by a bolded correct answer and
an italicized rationale – just like the most effective nursing school study guides –
so you don’t just memorize answers; you understand the science behind them.
✅ What makes this resource unique?
200 unique questions covering every major topic: cells, tissues, skeletal, muscular,
nervous, endocrine, cardiovascular, respiratory, digestive, urinary, reproductive,
lymphatic, sensory, and homeostasis.
Bolded answers for quick self-checking.
Italicized rationales explaining why the correct answer is right and why the
distractors are wrong – essential for deep learning.
Progressive difficulty – from basic recall to clinical application, just like the HESI.
Organization by body system so you can target your weak areas.
,🧠 SECTION I: BODY ORGANIZATION, HOMEOSTASIS &
TERMINOLOGY
Question 1: Which term describes the maintenance of a relatively stable internal
environment despite external changes?
A) Metabolism
B) Homeostasis
C) Adaptation
D) Anabolism
Answer: B) Homeostasis
Rationale: Homeostasis is the process by which the body maintains a stable
internal environment (temperature, pH, blood glucose, etc.) through regulatory
mechanisms. Metabolism refers to all chemical reactions in the body, while
anabolism is the building phase of metabolism.
Question 2: Which body plane divides the body into equal left and right halves?
A) Coronal (frontal) plane
B) Transverse (horizontal) plane
C) Sagittal plane
D) Midsagittal (median) plane
Answer: D) Midsagittal (median) plane
Rationale: The midsagittal plane divides the body into equal left and right halves.
The sagittal plane divides the body into left and right portions but not necessarily
equal halves. The coronal plane divides into anterior and posterior, while the
transverse plane divides into superior and inferior.
Question 3: The dorsal body cavity includes which two subdivisions?
A) Thoracic and abdominopelvic cavities
B) Cranial and vertebral (spinal) cavities
C) Abdominal and pelvic cavities
D) Pleural and pericardial cavities
Answer: B) Cranial and vertebral (spinal) cavities
Rationale: The dorsal body cavity is located toward the back and includes the
cranial cavity (brain) and vertebral (spinal) cavity (spinal cord). The ventral body
cavity includes thoracic and abdominopelvic cavities.
Question 4: Which of the following best describes the anatomical position?
A) Standing upright, facing away from the observer, palms facing posteriorly
,B) Standing upright, facing the observer, palms facing anteriorly
C) Lying down, facing upward, palms facing downward
D) Standing upright, facing the observer, palms facing posteriorly
Answer: B) Standing upright, facing the observer, palms facing anteriorly
Rationale: The anatomical position is defined as standing erect with feet forward,
facing the observer, upper extremities at the sides, and palms facing anteriorly
(toward the front) with thumbs pointing outward.
🔬 SECTION II: TISSUES, CELLS & HISTOLOGY
Question 5: What is the study of tissues called?
A) Cytology
B) Histology
C) Embryology
D) Pathology
Answer: B) Histology
Rationale: Histology is the study of tissues. Cytology is the study of cells,
embryology studies development, and pathology studies disease.
Question 6: What is a tissue?
A) A single cell with a specific function
B) A group of cells that act together to perform a specific function
C) A collection of organs working together
D) A fluid that bathes cells
Answer: B) A group of cells that act together to perform a specific function
Rationale: Tissues are composed of similar cells that work together to carry out a
particular function. When multiple tissues work together, they form organs.
Question 7: What are the four fundamental types of tissues?
A) Epithelial, connective, muscle, nervous
B) Epithelial, vascular, skeletal, nervous
C) Connective, neural, cardiac, smooth
D) Epidermal, fibrous, skeletal, visceral
Answer: A) Epithelial, connective, muscle, nervous
Rationale: The four primary tissue types in the human body are epithelial (covers
and lines), connective (supports and binds), muscle (enables movement), and
nervous (transmits impulses).
, Question 8: What is the function of epithelial tissue?
A) Framework of the body
B) Cover, line, and protect the body and internal organs
C) Transmit electrical impulses
D) Contract and shorten
Answer: B) Cover, line, and protect the body and internal organs
Rationale: Epithelial tissue forms protective layers covering body surfaces and
lining internal cavities and organs. It also functions in absorption, secretion, and
protection.
Question 9: What is the most abundant tissue in the body?
A) Epithelial tissue
B) Muscle tissue
C) Nervous tissue
D) Connective tissue
Answer: D) Connective tissue
Rationale: Connective tissue is the most abundant and widely distributed tissue in
the body. It provides support, structure, and framework for organs and includes
types such as fibrous, bone, cartilage, and blood.
Question 10: Which cellular organelle is involved in synthesizing proteins from amino
acids?
A) Mitochondria
B) Golgi apparatus
C) Ribosomes
D) Lysosomes
Answer: C) Ribosomes
Rationale: Ribosomes are the sites of protein synthesis. They can be found free in
the cytoplasm or attached to the rough endoplasmic reticulum.
Question 11: Which organelle is known as the "powerhouse of the cell"?
A) Nucleus
B) Ribosome
C) Mitochondria
D) Golgi apparatus
Answer: C) Mitochondria
Rationale: Mitochondria generate ATP through cellular respiration, providing
Questions with Correct Answers & In-Depth Rationales –
Guaranteed Review for Nursing School Entrance Complete
practice bank covering all body systems, homeostasis,
tissues, and high-yield HESI concepts
📝 Introduction
Welcome to your ultimate HESI A2 Anatomy & Physiology preparation guide.
This document contains 200 carefully crafted, exam-style questions that mirror the
difficulty, wording, and content distribution of the real HESI A2 Anatomy &
Physiology section. Each question is followed by a bolded correct answer and
an italicized rationale – just like the most effective nursing school study guides –
so you don’t just memorize answers; you understand the science behind them.
✅ What makes this resource unique?
200 unique questions covering every major topic: cells, tissues, skeletal, muscular,
nervous, endocrine, cardiovascular, respiratory, digestive, urinary, reproductive,
lymphatic, sensory, and homeostasis.
Bolded answers for quick self-checking.
Italicized rationales explaining why the correct answer is right and why the
distractors are wrong – essential for deep learning.
Progressive difficulty – from basic recall to clinical application, just like the HESI.
Organization by body system so you can target your weak areas.
,🧠 SECTION I: BODY ORGANIZATION, HOMEOSTASIS &
TERMINOLOGY
Question 1: Which term describes the maintenance of a relatively stable internal
environment despite external changes?
A) Metabolism
B) Homeostasis
C) Adaptation
D) Anabolism
Answer: B) Homeostasis
Rationale: Homeostasis is the process by which the body maintains a stable
internal environment (temperature, pH, blood glucose, etc.) through regulatory
mechanisms. Metabolism refers to all chemical reactions in the body, while
anabolism is the building phase of metabolism.
Question 2: Which body plane divides the body into equal left and right halves?
A) Coronal (frontal) plane
B) Transverse (horizontal) plane
C) Sagittal plane
D) Midsagittal (median) plane
Answer: D) Midsagittal (median) plane
Rationale: The midsagittal plane divides the body into equal left and right halves.
The sagittal plane divides the body into left and right portions but not necessarily
equal halves. The coronal plane divides into anterior and posterior, while the
transverse plane divides into superior and inferior.
Question 3: The dorsal body cavity includes which two subdivisions?
A) Thoracic and abdominopelvic cavities
B) Cranial and vertebral (spinal) cavities
C) Abdominal and pelvic cavities
D) Pleural and pericardial cavities
Answer: B) Cranial and vertebral (spinal) cavities
Rationale: The dorsal body cavity is located toward the back and includes the
cranial cavity (brain) and vertebral (spinal) cavity (spinal cord). The ventral body
cavity includes thoracic and abdominopelvic cavities.
Question 4: Which of the following best describes the anatomical position?
A) Standing upright, facing away from the observer, palms facing posteriorly
,B) Standing upright, facing the observer, palms facing anteriorly
C) Lying down, facing upward, palms facing downward
D) Standing upright, facing the observer, palms facing posteriorly
Answer: B) Standing upright, facing the observer, palms facing anteriorly
Rationale: The anatomical position is defined as standing erect with feet forward,
facing the observer, upper extremities at the sides, and palms facing anteriorly
(toward the front) with thumbs pointing outward.
🔬 SECTION II: TISSUES, CELLS & HISTOLOGY
Question 5: What is the study of tissues called?
A) Cytology
B) Histology
C) Embryology
D) Pathology
Answer: B) Histology
Rationale: Histology is the study of tissues. Cytology is the study of cells,
embryology studies development, and pathology studies disease.
Question 6: What is a tissue?
A) A single cell with a specific function
B) A group of cells that act together to perform a specific function
C) A collection of organs working together
D) A fluid that bathes cells
Answer: B) A group of cells that act together to perform a specific function
Rationale: Tissues are composed of similar cells that work together to carry out a
particular function. When multiple tissues work together, they form organs.
Question 7: What are the four fundamental types of tissues?
A) Epithelial, connective, muscle, nervous
B) Epithelial, vascular, skeletal, nervous
C) Connective, neural, cardiac, smooth
D) Epidermal, fibrous, skeletal, visceral
Answer: A) Epithelial, connective, muscle, nervous
Rationale: The four primary tissue types in the human body are epithelial (covers
and lines), connective (supports and binds), muscle (enables movement), and
nervous (transmits impulses).
, Question 8: What is the function of epithelial tissue?
A) Framework of the body
B) Cover, line, and protect the body and internal organs
C) Transmit electrical impulses
D) Contract and shorten
Answer: B) Cover, line, and protect the body and internal organs
Rationale: Epithelial tissue forms protective layers covering body surfaces and
lining internal cavities and organs. It also functions in absorption, secretion, and
protection.
Question 9: What is the most abundant tissue in the body?
A) Epithelial tissue
B) Muscle tissue
C) Nervous tissue
D) Connective tissue
Answer: D) Connective tissue
Rationale: Connective tissue is the most abundant and widely distributed tissue in
the body. It provides support, structure, and framework for organs and includes
types such as fibrous, bone, cartilage, and blood.
Question 10: Which cellular organelle is involved in synthesizing proteins from amino
acids?
A) Mitochondria
B) Golgi apparatus
C) Ribosomes
D) Lysosomes
Answer: C) Ribosomes
Rationale: Ribosomes are the sites of protein synthesis. They can be found free in
the cytoplasm or attached to the rough endoplasmic reticulum.
Question 11: Which organelle is known as the "powerhouse of the cell"?
A) Nucleus
B) Ribosome
C) Mitochondria
D) Golgi apparatus
Answer: C) Mitochondria
Rationale: Mitochondria generate ATP through cellular respiration, providing
