HESI nursing entrance exam
2025/2026 questions with well
detailed answers GRADED A+
Subatomic particles are: - CORRECT ANSWER --Protons (positive), Neutrons
(neutral) and Electrons (negative)
All matter is composed of basic substances called - CORRECT ANSWER --Elements
An atom that tells you how many protons an atom has is called: - CORRECT ANSWER
--Atomic Number
The number of protons and neutrons is called: - CORRECT ANSWER --Mass Number
What is isotope? - CORRECT ANSWER --The same element but different number in
protons and neutrons-Mass Number (protons plus neutrons) minus Atomic
Number (number of protons) equals the number of neutrons.
What is radioactive isotope
What is a molecule? - CO? - CORRECT ANSWER --Atom whose nucleus undergoes
degeneration and in the process gives off radiation
RRECT ANSWER --Atoms bonded together to form a chemical unit
What is a compound? - CORRECT ANSWER --Combining different atoms
What is ionic bond? - CORRECT ANSWER --Ions with opposite charges attract
What are ions? - CORRECT ANSWER --Particle that is electrically charged because
it has gained or lost one or more eletrons
What is a covalent bonds? - CORRECT ANSWER --Atoms sharing electrons instead
of losing or gain them
What is polar bond? - CORRECT ANSWER --Bond created when electrons shared
by adjacent atoms are shared unequally
,hydrophilic means - CORRECT ANSWER --water-living
Hydrophobic means - CORRECT ANSWER --water-fearing
What is electrolyte? - CORRECT ANSWER --Substances that release ions when
puts into water
What is pH? - CORRECT ANSWER --a measure of hydrogen ion concentration
Anterior position - CORRECT ANSWER --a body part is located towards the front
(ventral)
Posterior position - CORRECT ANSWER --a body part is located toward the back.
(dorsal)
Superior position - CORRECT ANSWER --a body part is located ABOVE another
part or towards the head
Anatomy - CORRECT ANSWER --structure as well as its relationship with other
structure
Physiology - CORRECT ANSWER --function of the body
Proximal - CORRECT ANSWER --a body part is CLOSER to a specific point of
origin or attachment or closer to the trunk of the body
Distal - CORRECT ANSWER --a body part is FARTHER from the specific point of
the origin or attachment
Superficial -external - CORRECT ANSWER --a body part is located near the surface
Deep (internal) - CORRECT ANSWER --a body part is located away from the
surface
A sagittal plane (median) cuts the body - CORRECT ANSWER --right down the
middle
A frontal plane (coronal) is perpendicular (oppose) so it cuts the body - CORRECT
ANSWER --from ear to ear, from shoulder to shoulder across
A transverse plane cuts the body - CORRECT ANSWER --from the navel in half
dividing the superior from the inferior
A group of similar types of cells that performs a specific function is a(n): - CORRECT
ANSWER --Tissue
,What is the mechanism called which brings about an increasing change in the same
direction? Example: child birth - CORRECT ANSWER --positive feedback
The relative consistency of the body's internal environment is called - CORRECT
ANSWER --hemostasis
A group of similar types of cells that performs a specific function is a(n): - CORRECT
ANSWER --tissue
A group of two or more types of tissues is a(n): - CORRECT ANSWER --Organ
Structures found WITHIN a cell that perform specific functions are: - CORRECT
ANSWER --Organelles
Place the levels of organization in order from least complex to most complex -
CORRECT ANSWER --atom, molecule, organelle, cell, tissue, organ, organ
system, organism
The mitochondrion is an example of a(an) - CORRECT ANSWER --Organelle
The nose is _______ to the chin - CORRECT ANSWER --Superior
The muscles are _____ to the skin - CORRECT ANSWER --Deep
The sternum is anterior or ______ to the heart. - CORRECT ANSWER --Ventral
What is the scientific term for the mouth - CORRECT ANSWER --Oral
Identify the plane that would divide the body into left and right sides - CORRECT
ANSWER --Sagittal
The plane that divides a body part into anterior and posterior sections is the ______
plane - CORRECT ANSWER --Frontal (coronal) plane
The cavity that contains the pleural and abdominopelvic cavities is the ______ cavity -
CORRECT ANSWER --Anterior (ventral)
The cavity that contains the pericardial and pleural cavities is the ______ cavity. -
CORRECT ANSWER --Ventral and thoracic
The vertebral canal and cranial cavity is located within the ______ cavity - CORRECT
ANSWER --Posterior, dorsal cavity
The serous membrane that lines the thoracic cavity is the - CORRECT ANSWER --
visceral pleura
, The serous membrane covering the heart is the - CORRECT ANSWER --Parietal
pericardium
Which of the following is NOT found in the mediastinum? - CORRECT ANSWER --
Lungs
The stomach would lie in the ______ quadrant of the abdominopelvic cavity -
CORRECT ANSWER --Upper Left Quadrants
Emily needs to have her gall bladder removed. Her incision would be in the _________
quadrant of the abdominopelvic cavity. - CORRECT ANSWER --Upper Right
Identify the organ system responsible for the production of blood cells - CORRECT
ANSWER --Skeletal System
Identify the organ systems that function in integration and coordination - CORRECT
ANSWER --Nervous and endorine system
When body temperature rises, the body responds by causing sweating and dilation of
skin blood vessels. This type of response is called - CORRECT ANSWER --Negative
feedback
What is the mechanism called which brings about an increasing change in the same
direction? - CORRECT ANSWER --Positive feedback
A disease that affects the entire body or involves several organ systems is refereed to
as - CORRECT ANSWER --Systemic
The calf is _________ to the knee. - CORRECT ANSWER --Distal-body is FARTHER
from attachment
The directional term lateral describes a structure that is: - CORRECT ANSWER --further
from the midline
The little or "pinky" finger is _______to the thumb. - CORRECT ANSWER --medial
The term sural refers to the: - CORRECT ANSWER --Calf
Identify the plane that would divide the body into left and right sides. - CORRECT
ANSWER --Sagittal
The vertebral canal and cranial cavity is located within the ______ cavity. - CORRECT
ANSWER --posterior, dorsal, cavity
2025/2026 questions with well
detailed answers GRADED A+
Subatomic particles are: - CORRECT ANSWER --Protons (positive), Neutrons
(neutral) and Electrons (negative)
All matter is composed of basic substances called - CORRECT ANSWER --Elements
An atom that tells you how many protons an atom has is called: - CORRECT ANSWER
--Atomic Number
The number of protons and neutrons is called: - CORRECT ANSWER --Mass Number
What is isotope? - CORRECT ANSWER --The same element but different number in
protons and neutrons-Mass Number (protons plus neutrons) minus Atomic
Number (number of protons) equals the number of neutrons.
What is radioactive isotope
What is a molecule? - CO? - CORRECT ANSWER --Atom whose nucleus undergoes
degeneration and in the process gives off radiation
RRECT ANSWER --Atoms bonded together to form a chemical unit
What is a compound? - CORRECT ANSWER --Combining different atoms
What is ionic bond? - CORRECT ANSWER --Ions with opposite charges attract
What are ions? - CORRECT ANSWER --Particle that is electrically charged because
it has gained or lost one or more eletrons
What is a covalent bonds? - CORRECT ANSWER --Atoms sharing electrons instead
of losing or gain them
What is polar bond? - CORRECT ANSWER --Bond created when electrons shared
by adjacent atoms are shared unequally
,hydrophilic means - CORRECT ANSWER --water-living
Hydrophobic means - CORRECT ANSWER --water-fearing
What is electrolyte? - CORRECT ANSWER --Substances that release ions when
puts into water
What is pH? - CORRECT ANSWER --a measure of hydrogen ion concentration
Anterior position - CORRECT ANSWER --a body part is located towards the front
(ventral)
Posterior position - CORRECT ANSWER --a body part is located toward the back.
(dorsal)
Superior position - CORRECT ANSWER --a body part is located ABOVE another
part or towards the head
Anatomy - CORRECT ANSWER --structure as well as its relationship with other
structure
Physiology - CORRECT ANSWER --function of the body
Proximal - CORRECT ANSWER --a body part is CLOSER to a specific point of
origin or attachment or closer to the trunk of the body
Distal - CORRECT ANSWER --a body part is FARTHER from the specific point of
the origin or attachment
Superficial -external - CORRECT ANSWER --a body part is located near the surface
Deep (internal) - CORRECT ANSWER --a body part is located away from the
surface
A sagittal plane (median) cuts the body - CORRECT ANSWER --right down the
middle
A frontal plane (coronal) is perpendicular (oppose) so it cuts the body - CORRECT
ANSWER --from ear to ear, from shoulder to shoulder across
A transverse plane cuts the body - CORRECT ANSWER --from the navel in half
dividing the superior from the inferior
A group of similar types of cells that performs a specific function is a(n): - CORRECT
ANSWER --Tissue
,What is the mechanism called which brings about an increasing change in the same
direction? Example: child birth - CORRECT ANSWER --positive feedback
The relative consistency of the body's internal environment is called - CORRECT
ANSWER --hemostasis
A group of similar types of cells that performs a specific function is a(n): - CORRECT
ANSWER --tissue
A group of two or more types of tissues is a(n): - CORRECT ANSWER --Organ
Structures found WITHIN a cell that perform specific functions are: - CORRECT
ANSWER --Organelles
Place the levels of organization in order from least complex to most complex -
CORRECT ANSWER --atom, molecule, organelle, cell, tissue, organ, organ
system, organism
The mitochondrion is an example of a(an) - CORRECT ANSWER --Organelle
The nose is _______ to the chin - CORRECT ANSWER --Superior
The muscles are _____ to the skin - CORRECT ANSWER --Deep
The sternum is anterior or ______ to the heart. - CORRECT ANSWER --Ventral
What is the scientific term for the mouth - CORRECT ANSWER --Oral
Identify the plane that would divide the body into left and right sides - CORRECT
ANSWER --Sagittal
The plane that divides a body part into anterior and posterior sections is the ______
plane - CORRECT ANSWER --Frontal (coronal) plane
The cavity that contains the pleural and abdominopelvic cavities is the ______ cavity -
CORRECT ANSWER --Anterior (ventral)
The cavity that contains the pericardial and pleural cavities is the ______ cavity. -
CORRECT ANSWER --Ventral and thoracic
The vertebral canal and cranial cavity is located within the ______ cavity - CORRECT
ANSWER --Posterior, dorsal cavity
The serous membrane that lines the thoracic cavity is the - CORRECT ANSWER --
visceral pleura
, The serous membrane covering the heart is the - CORRECT ANSWER --Parietal
pericardium
Which of the following is NOT found in the mediastinum? - CORRECT ANSWER --
Lungs
The stomach would lie in the ______ quadrant of the abdominopelvic cavity -
CORRECT ANSWER --Upper Left Quadrants
Emily needs to have her gall bladder removed. Her incision would be in the _________
quadrant of the abdominopelvic cavity. - CORRECT ANSWER --Upper Right
Identify the organ system responsible for the production of blood cells - CORRECT
ANSWER --Skeletal System
Identify the organ systems that function in integration and coordination - CORRECT
ANSWER --Nervous and endorine system
When body temperature rises, the body responds by causing sweating and dilation of
skin blood vessels. This type of response is called - CORRECT ANSWER --Negative
feedback
What is the mechanism called which brings about an increasing change in the same
direction? - CORRECT ANSWER --Positive feedback
A disease that affects the entire body or involves several organ systems is refereed to
as - CORRECT ANSWER --Systemic
The calf is _________ to the knee. - CORRECT ANSWER --Distal-body is FARTHER
from attachment
The directional term lateral describes a structure that is: - CORRECT ANSWER --further
from the midline
The little or "pinky" finger is _______to the thumb. - CORRECT ANSWER --medial
The term sural refers to the: - CORRECT ANSWER --Calf
Identify the plane that would divide the body into left and right sides. - CORRECT
ANSWER --Sagittal
The vertebral canal and cranial cavity is located within the ______ cavity. - CORRECT
ANSWER --posterior, dorsal, cavity