HESI A2 Practice Test Questions 2026 –
Complete Study Guide & 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 -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
d) a process in which the body resists change to genetic structure -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 -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 -answer ✨✔---c) anterior
Vitamin K is created in the:
a) liver
b) lungs
c) intestinal tract
d) pancreas -answer ✨✔---c) intestinal tract
The largest organ in the body is the ________.
a) skin
b) GI tract
c) femur
d) stomach -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 -answer ✨✔---d) histologist
Complete Study Guide & 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 -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
d) a process in which the body resists change to genetic structure -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 -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 -answer ✨✔---c) anterior
Vitamin K is created in the:
a) liver
b) lungs
c) intestinal tract
d) pancreas -answer ✨✔---c) intestinal tract
The largest organ in the body is the ________.
a) skin
b) GI tract
c) femur
d) stomach -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 -answer ✨✔---d) histologist
