HESI A2 Practice Test Questions
| Full Exam Prep with Answers
and Detailed Rationales |
Graded A+
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive Rationales
Included
, Which of the following is NOT a function of the digestive b) to perform gas exchange
tract?
a) to use enzymes to break down food Gas exchange is a function of the respiratory system
b) to perform gas exchange
c) to remove waste from the body
d) to use peristalsis to move food along
The body, at all times, attempts to maintain homeostasis. a) a process that maintains the stability of the human body's internal environment in
The best definition of homeostasis is: response to changes in internal and external conditions
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
The endocrine system of the body is responsible for: b) communication through the use of hormones
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
Anatomical position shows the body in a(n) ________ c) anterior
position.
a) lateral
b) superior
c) anterior
d) posterior
Vitamin K is created in the: c) intestinal tract
a) liver
b) lungs
c) intestinal tract
d) pancreas
The largest organ in the body is the ________. a) skin
a) skin
b) GI tract
c) femur
d) stomach
A medical scientists wants to study the parenchyma of the d) histologist
kidney. This scientist would correctly be known, most
specifically, as a: Histology is the study of tissues.
a) biologist
b) doctor
c) anatomist
d) histologist
What is Erythropoiesis? a) red blood cell formation
a) red blood cell formation
b) white blood cell formation Blood cell formation is called Hemopoiesis.
c) the destruction of red blood cells Erythro- red blood cells
d) the destruction of white blood cells
In which part of the body is keratin NOT found? d) teeth
a) hair
b) skin Keratin is a family of fibrous structural proteins. Keratin is the key structural
c) nails component of hair, nails, and the outer layer of human skin
d) teeth
| Full Exam Prep with Answers
and Detailed Rationales |
Graded A+
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive Rationales
Included
, Which of the following is NOT a function of the digestive b) to perform gas exchange
tract?
a) to use enzymes to break down food Gas exchange is a function of the respiratory system
b) to perform gas exchange
c) to remove waste from the body
d) to use peristalsis to move food along
The body, at all times, attempts to maintain homeostasis. a) a process that maintains the stability of the human body's internal environment in
The best definition of homeostasis is: response to changes in internal and external conditions
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
The endocrine system of the body is responsible for: b) communication through the use of hormones
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
Anatomical position shows the body in a(n) ________ c) anterior
position.
a) lateral
b) superior
c) anterior
d) posterior
Vitamin K is created in the: c) intestinal tract
a) liver
b) lungs
c) intestinal tract
d) pancreas
The largest organ in the body is the ________. a) skin
a) skin
b) GI tract
c) femur
d) stomach
A medical scientists wants to study the parenchyma of the d) histologist
kidney. This scientist would correctly be known, most
specifically, as a: Histology is the study of tissues.
a) biologist
b) doctor
c) anatomist
d) histologist
What is Erythropoiesis? a) red blood cell formation
a) red blood cell formation
b) white blood cell formation Blood cell formation is called Hemopoiesis.
c) the destruction of red blood cells Erythro- red blood cells
d) the destruction of white blood cells
In which part of the body is keratin NOT found? d) teeth
a) hair
b) skin Keratin is a family of fibrous structural proteins. Keratin is the key structural
c) nails component of hair, nails, and the outer layer of human skin
d) teeth
