HESI A2 PRACTICE TEST QUESTIONS & ANSWERS 2026-2027 | COMPREH… EXAM
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
HESI A2 Practice Test
Questions & Answers
2026-2027 |
Comprehensive Exam
Review (Rationales)
Verified Answers Exam Ready With Rationales
58 QUESTIONS
DOCUMENT OVERVIEW
This comprehensive HESI A2 review document contains 58 questions with provided correct
answers and detailed rationales, covering fundamental human anatomy and physiology. It offers
students a direct path to study and review core concepts, making it an ideal resource for
certification preparation and reinforcing learning.
CONTENTS
Digestive & Endocrine Systems Q1–Q19
Anatomy & Physiology Fundamentals Q20–Q46
Respiratory & Circulatory Systems Q47–Q58
Page 1
, E XA M Q U EST I O N S
Q1 QUESTION 1 OF 58
Which of the following is NOT a function of the digestive tract?
a) to use enzymes to break down food
b) to perform gas exchange
c) to remove waste from the body
d) to use peristalsis to move food along
CORRECT ANSWER
b) to perform gas exchange
Gas exchange is a function of the respiratory system
RATIONALE
Gas exchange is the primary function of the respiratory system, whereas the digestive tract is responsible
for nutrient absorption, waste elimination, and mechanical and chemical breakdown of food via peristalsis
and enzymatic action. This question tests the understanding of distinct physiological system functions.
Q2 QUESTION 2 OF 58
The endocrine system of the body is responsible for:
a) defense through the use of antibodies
b) communication through the use of hormones
c) metabolism through the use of enzymes
d) blood flow through the use of the heart muscle
CORRECT ANSWER
b) communication through the use of hormones
RATIONALE
The endocrine system functions as a communication network, utilizing hormones released into the
bloodstream to regulate physiological processes in target cells. This hormonal signaling is distinct from the
immune system's antibody-mediated defense, enzymatic metabolic regulation, or the cardiovascular
system's cardiac muscle-driven blood flow.
Page 2
, Q3 QUESTION 3 OF 58
Vitamin K is created in the:
a) liver
b) lungs
c) intestinal tract
d) pancreas
CORRECT ANSWER
c) intestinal tract
RATIONALE
Vitamin K is synthesized by gut bacteria residing in the intestinal tract, which is the primary source of this
fat-soluble vitamin. This process highlights the significant role of the microbiome in host nutrient
production.
Q4 QUESTION 4 OF 58
What is the primary role of estrogen in the female reproductive system?
a) it initiates the preparation of the endometrium for pregnancy
b) it triggers the release of the egg from the ovary
c) it causes fertilization
d) it triggers the production of breast milk
CORRECT ANSWER
a) it initiates the preparation of the endometrium for pregnancy
RATIONALE
Estrogen stimulates the proliferation of the endometrium, making it receptive for implantation by a fertilized
ovum. This process, known as endometrial preparation, is a key function of estrogen in the menstrual cycle.
Q5 QUESTION 5 OF 58
What is the name of the structure that transfers urine from the kidneys to the bladder?
CORRECT ANSWER
-ureters
Page 3
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
HESI A2 Practice Test
Questions & Answers
2026-2027 |
Comprehensive Exam
Review (Rationales)
Verified Answers Exam Ready With Rationales
58 QUESTIONS
DOCUMENT OVERVIEW
This comprehensive HESI A2 review document contains 58 questions with provided correct
answers and detailed rationales, covering fundamental human anatomy and physiology. It offers
students a direct path to study and review core concepts, making it an ideal resource for
certification preparation and reinforcing learning.
CONTENTS
Digestive & Endocrine Systems Q1–Q19
Anatomy & Physiology Fundamentals Q20–Q46
Respiratory & Circulatory Systems Q47–Q58
Page 1
, E XA M Q U EST I O N S
Q1 QUESTION 1 OF 58
Which of the following is NOT a function of the digestive tract?
a) to use enzymes to break down food
b) to perform gas exchange
c) to remove waste from the body
d) to use peristalsis to move food along
CORRECT ANSWER
b) to perform gas exchange
Gas exchange is a function of the respiratory system
RATIONALE
Gas exchange is the primary function of the respiratory system, whereas the digestive tract is responsible
for nutrient absorption, waste elimination, and mechanical and chemical breakdown of food via peristalsis
and enzymatic action. This question tests the understanding of distinct physiological system functions.
Q2 QUESTION 2 OF 58
The endocrine system of the body is responsible for:
a) defense through the use of antibodies
b) communication through the use of hormones
c) metabolism through the use of enzymes
d) blood flow through the use of the heart muscle
CORRECT ANSWER
b) communication through the use of hormones
RATIONALE
The endocrine system functions as a communication network, utilizing hormones released into the
bloodstream to regulate physiological processes in target cells. This hormonal signaling is distinct from the
immune system's antibody-mediated defense, enzymatic metabolic regulation, or the cardiovascular
system's cardiac muscle-driven blood flow.
Page 2
, Q3 QUESTION 3 OF 58
Vitamin K is created in the:
a) liver
b) lungs
c) intestinal tract
d) pancreas
CORRECT ANSWER
c) intestinal tract
RATIONALE
Vitamin K is synthesized by gut bacteria residing in the intestinal tract, which is the primary source of this
fat-soluble vitamin. This process highlights the significant role of the microbiome in host nutrient
production.
Q4 QUESTION 4 OF 58
What is the primary role of estrogen in the female reproductive system?
a) it initiates the preparation of the endometrium for pregnancy
b) it triggers the release of the egg from the ovary
c) it causes fertilization
d) it triggers the production of breast milk
CORRECT ANSWER
a) it initiates the preparation of the endometrium for pregnancy
RATIONALE
Estrogen stimulates the proliferation of the endometrium, making it receptive for implantation by a fertilized
ovum. This process, known as endometrial preparation, is a key function of estrogen in the menstrual cycle.
Q5 QUESTION 5 OF 58
What is the name of the structure that transfers urine from the kidneys to the bladder?
CORRECT ANSWER
-ureters
Page 3
