HESI A2 Practice Test 2025 UPDATED QUESTIONS & ANSWERS EXAM

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HESI A2 Practice Test 2025 UPDATED QUESTIONS &
ANSWERS EXAM
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 - ...(ANSWERS)....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 -
...(ANSWERS)....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

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c) metabolism through the use of enzymes

d) blood flow through the use of the heart muscle - ...(ANSWERS)....b)
communication through the use of hormones



Anatomical position shows the body in a(n) ________ position.

a) lateral

b) superior

c) anterior

d) posterior - ...(ANSWERS)....c) anterior



Vitamin K is created in the:

a) liver

b) lungs

c) intestinal tract

d) pancreas - ...(ANSWERS)....c) intestinal tract



The largest organ in the body is the ________.

a) skin

b) GI tract

c) femur

d) stomach - ...(ANSWERS)....a) skin