1
HESI A2 Practice Test Questions 2025–
2026 – Complete Exam Review with
Verified Answers
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
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
1
, 2
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
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
Anatomical position shows the body in a(n) ________
position.
a) lateral
b) superior
c) anterior
d) posterior - Correct Answer-c) anterior
Vitamin K is created in the:
a) liver
b) lungs
c) intestinal tract
2
, 3
d) pancreas - Correct Answer-c) intestinal tract
The largest organ in the body is the ________.
a) skin
b) GI tract
c) femur
d) stomach - Correct Answer-a) skin
A medical scientists wants to study the parenchyma of the
kidney. This scientist would correctly be known, most
specifically, as a:
a) biologist
b) doctor
c) anatomist
d) histologist - Correct Answer-d) histologist
Histology is the study of tissues.
What is Erythropoiesis?
a) red blood cell formation
b) white blood cell formation
c) the destruction of red blood cells
3
HESI A2 Practice Test Questions 2025–
2026 – Complete Exam Review with
Verified Answers
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
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
1
, 2
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
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
Anatomical position shows the body in a(n) ________
position.
a) lateral
b) superior
c) anterior
d) posterior - Correct Answer-c) anterior
Vitamin K is created in the:
a) liver
b) lungs
c) intestinal tract
2
, 3
d) pancreas - Correct Answer-c) intestinal tract
The largest organ in the body is the ________.
a) skin
b) GI tract
c) femur
d) stomach - Correct Answer-a) skin
A medical scientists wants to study the parenchyma of the
kidney. This scientist would correctly be known, most
specifically, as a:
a) biologist
b) doctor
c) anatomist
d) histologist - Correct Answer-d) histologist
Histology is the study of tissues.
What is Erythropoiesis?
a) red blood cell formation
b) white blood cell formation
c) the destruction of red blood cells
3
