Nursing Exam PreparationHESI
(Entrance Exam) with 100% verified
answers 2025 with expert feedback
2025
What are the most abundant elements of the human body? - answ✔️✔️-Carbon,
Hydrogen, Oxygen, Nitrogen
90% of the human body is composed of just four elements which are: - answ✔️✔️-
Carbon, Hydrogen, Oxygen, Nitrogen
The smallest unit of an element that still retains the chemical and physical properties of
the element is called: - answ✔️✔️-Atom
Subatomic particles are: - answ✔️✔️-Protons (positive), Neutrons (neutral) and
Electrons (negative)
All matter is composed of basic substances called - answ✔️✔️-Elements
,An atom that tells you how many protons an atom has is called: - answ✔️✔️-Atomic
Number
The number of protons and neutrons is called: - answ✔️✔️-Mass Number
What is isotope? - answ✔️✔️-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? - answ✔️✔️-Atom whose nucleus undergoes
degeneration and in the process gives off radiation
What is a molecule? - answ✔️✔️-Atoms bonded together to form a chemical unit
What is a compound? - answ✔️✔️-Combining different atoms
What is ionic bond? - answ✔️✔️-Ions with opposite charges attract
What are ions? - answ✔️✔️-Particle that is electrically charged because it has gained
or lost one or more eletrons
What is a covalent bonds? - answ✔️✔️-Atoms sharing electrons instead of losing or
gain them
What is polar bond? - answ✔️✔️-Bond created when electrons shared by adjacent
atoms are shared unequally
hydrophilic means - answ✔️✔️-water-living
,Hydrophobic means - answ✔️✔️-water-fearing
What is electrolyte? - answ✔️✔️-Substances that release ions when puts into water
What is pH? - answ✔️✔️-a measure of hydrogen ion concentration
Anterior position - answ✔️✔️-a body part is located towards the front (ventral)
Posterior position - answ✔️✔️-a body part is located toward the back. (dorsal)
Superior position - answ✔️✔️-a body part is located ABOVE another part or towards
the head
Anatomy - answ✔️✔️-structure as well as its relationship with other structure
Physiology - answ✔️✔️-function of the body
Proximal - answ✔️✔️-a body part is CLOSER to a specific point of origin or
attachment or closer to the trunk of the body
Distal - answ✔️✔️-a body part is FARTHER from the specific point of the origin or
attachment
Superficial -external - answ✔️✔️-a body part is located near the surface
Deep (internal) - answ✔️✔️-a body part is located away from the surface
A sagittal plane (median) cuts the body - answ✔️✔️-right down the middle
, A frontal plane (coronal) is perpendicular (oppose) so it cuts the body - answ✔️✔️-
from ear to ear, from shoulder to shoulder across
A transverse plane cuts the body - answ✔️✔️-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): - answ✔️✔️-
Tissue
What is the mechanism called which brings about an increasing change in the same
direction? Example: child birth - answ✔️✔️-positive feedback
The relative consistency of the body's internal environment is called - answ✔️✔️-
hemostasis
A group of similar types of cells that performs a specific function is a(n): - answ✔️✔️-
tissue
A group of two or more types of tissues is a(n): - answ✔️✔️-Organ
Structures found WITHIN a cell that perform specific functions are: - answ✔️✔️-
Organelles
Place the levels of organization in order from least complex to most complex -
answ✔️✔️-atom, molecule, organelle, cell, tissue, organ, organ system, organism
The mitochondrion is an example of a(an) - answ✔️✔️-Organelle
The nose is _______ to the chin - answ✔️✔️-Superior