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 Entrance Exam
Practice Questions &
Answers 2026-2027 | Latest
Verified Review
(Rationales)
Verified Answers Exam Ready With Rationales
58 QUESTIONS
DOCUMENT OVERVIEW
This document contains 58 verified questions, complete with correct answers and detailed rationales,
covering essential concepts in health sciences. Each question is designed to reinforce understanding
and clarify reasoning, making it suitable for exam preparation and review. Students can utilize this
resource to strengthen their knowledge and enhance their readiness for certification exams and
academic assessments.
CONTENTS
Digestive System Q1–Q13
Endocrine System Q14–Q24
Skeletal System Q25–Q36
Muscular System Q37–Q48
Nervous System Q49–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 a physiological process primarily facilitated by the respiratory system, involving the transfer of
oxygen and carbon dioxide between the air and bloodstream, while the digestive tract focuses on nutrient
breakdown, waste elimination, and food propulsion. This question tests the understanding of the distinct roles of
different body systems.
Q2 QUESTION 2 OF 58
The body, at all times, attempts to maintain homeostasis. The best definition of homeostasis is:
a) a process that maintains the stability of the human body's internal environment in response to
changes in internal and external conditions
b) a function via which the body breaks down glucose to use as energy
c)a process that maintains the immune system's defenses
d) a process in which the body resists change to genetic structure
CORRECT ANSWER
a) a process that maintains the stability of the human body's internal environment in response to changes in
internal and external conditions
RATIONALE
Homeostasis refers to the dynamic process of maintaining a stable internal environment, which is crucial for
optimal physiological functioning despite fluctuations in external and internal conditions. This definition
encompasses the regulatory mechanisms involved in balancing factors such as temperature, pH, and electrolyte
levels.
Page 2
, Q3 QUESTION 3 OF 58
Anatomical position shows the body in a(n) ________ position.
a) lateral
b) superior
c) anterior
d) posterior
CORRECT ANSWER
c) anterior
RATIONALE
Anatomical position is defined as standing upright, facing forward, with arms at the sides and palms facing
anteriorly, which standardizes the reference for anatomical terminology. This orientation facilitates clear
communication regarding body structures and their relationships.
Q4 QUESTION 4 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 primarily by intestinal bacteria, highlighting the symbiotic relationship between gut
microbiota and host nutrition. This fat-soluble vitamin plays a critical role in the synthesis of clotting factors,
essential for hemostasis.
Q5 QUESTION 5 OF 58
Humans can survive most easily without which of the following?
a) pancreas
b) lungs
c) gallbladder
d) bladder
Page 3