HESI A2 Practice test questions with
Multiple Choices and Verified Answers
2025
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
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
, 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
d) the destruction of white blood cells - CORRECT ANSWER-a) red blood cell
formation
Blood cell formation is called Hemopoiesis.
Erythro- red blood cells
In which part of the body is keratin NOT found?
a) hair
b) skin
c) nails
d) teeth - CORRECT ANSWER-d) teeth
Keratin is a family of fibrous structural proteins. Keratin is the key structural
component of hair, nails, and the outer layer of human skin
What is the relationship between sarcomeres and muscle cells?
a) sarcomeres are muscle cells
b) sarcomeres contain muscle cells
c) muscle cells contain myofibrils, which in turn are made up of sarcomeres
d) muscle cells contain sarcomeres, which in turn are made up of myofibrils -
CORRECT ANSWER-c) muscle cells contain myofibrils, which in turn are made up
of sarcomeres
A person who has torn their vastus lateralis muscle will need which of the
following?
Multiple Choices and Verified Answers
2025
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
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
, 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
d) the destruction of white blood cells - CORRECT ANSWER-a) red blood cell
formation
Blood cell formation is called Hemopoiesis.
Erythro- red blood cells
In which part of the body is keratin NOT found?
a) hair
b) skin
c) nails
d) teeth - CORRECT ANSWER-d) teeth
Keratin is a family of fibrous structural proteins. Keratin is the key structural
component of hair, nails, and the outer layer of human skin
What is the relationship between sarcomeres and muscle cells?
a) sarcomeres are muscle cells
b) sarcomeres contain muscle cells
c) muscle cells contain myofibrils, which in turn are made up of sarcomeres
d) muscle cells contain sarcomeres, which in turn are made up of myofibrils -
CORRECT ANSWER-c) muscle cells contain myofibrils, which in turn are made up
of sarcomeres
A person who has torn their vastus lateralis muscle will need which of the
following?
