HESI A2 ANATOMY & PHYSIOLOGY
EXAM: 300+ PRACTICE QUESTIONS
WITH ANSWERS & IN-DEPTH
RATIONALES – 2026 UPDATE |
VERSIONS 1 & 2 | INSTANT DOWNLOAD
Part 1 – Questions 3–12
Question 3
Which type of tissue is responsible for
transmitting electrical impulses throughout the
body?
,A. Epithelial tissue
B. Connective tissue
C. Muscle tissue
D. Nervous tissue
Correct Answer: D. Nervous tissue
Rationale:
Nervous tissue consists of neurons and
supporting cells. Neurons transmit electrical
impulses that control body functions, sensation,
and movement.
Why the other options are incorrect:
,A. Epithelial tissue – Covers body surfaces and
lines organs.
B. Connective tissue – Supports and binds
tissues.
C. Muscle tissue – Produces movement.
HESI Tip: Think Nerves = Nervous tissue =
Electrical signals.
Question 4
The largest organ in the human body is the:
A. Liver
B. Brain
C. Skin
, D. Lungs
Correct Answer: C. Skin
Rationale:
The skin is the body's largest organ. It protects
against infection, prevents water loss, regulates
temperature, and contains sensory receptors.
Why the other options are incorrect:
A. Liver – Largest internal organ.
B. Brain – Control center of the nervous system.
D. Lungs – Organs for gas exchange.
EXAM: 300+ PRACTICE QUESTIONS
WITH ANSWERS & IN-DEPTH
RATIONALES – 2026 UPDATE |
VERSIONS 1 & 2 | INSTANT DOWNLOAD
Part 1 – Questions 3–12
Question 3
Which type of tissue is responsible for
transmitting electrical impulses throughout the
body?
,A. Epithelial tissue
B. Connective tissue
C. Muscle tissue
D. Nervous tissue
Correct Answer: D. Nervous tissue
Rationale:
Nervous tissue consists of neurons and
supporting cells. Neurons transmit electrical
impulses that control body functions, sensation,
and movement.
Why the other options are incorrect:
,A. Epithelial tissue – Covers body surfaces and
lines organs.
B. Connective tissue – Supports and binds
tissues.
C. Muscle tissue – Produces movement.
HESI Tip: Think Nerves = Nervous tissue =
Electrical signals.
Question 4
The largest organ in the human body is the:
A. Liver
B. Brain
C. Skin
, D. Lungs
Correct Answer: C. Skin
Rationale:
The skin is the body's largest organ. It protects
against infection, prevents water loss, regulates
temperature, and contains sensory receptors.
Why the other options are incorrect:
A. Liver – Largest internal organ.
B. Brain – Control center of the nervous system.
D. Lungs – Organs for gas exchange.