HESI LATEST (Entrance Exam) WITH ALLCORRECT ANSWERS GRADED A+ 2024/2025

What are the most abundant elements of the human body? - ANSWER--Carbon, Hydrogen, Oxygen, Nitrogen
The smallest unit of an element that still retains the chemical and physical properties of the element is called: - ANSWER--Atom

Identify the two primary cavities within the ventral cavity. - ANSWER--thoracic and abdominopelvic cavities


Subatomic particles are: - ANSWER--Protons (positive), Neutrons (neutral) and Electrons (negative)

All matter is composed of basic substances called - ANSWER--Elements

An atom that tells you how many protons an atom has is called: - ANSWER--Atomic Number

The number of protons and neutrons is called: - ANSWER--Mass Number

What is isotope? - 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? - ANSWER--Atom whose nucleus undergoes degeneration and in the process gives off radiation

A frontal plane (coronal) is perpendicular (oppose) so it cuts the body - ANSWER--from ear to ear, from shoulder to shoulder across

What is a molecule? - ANSWER--Atoms bonded together to form a chemical unit

What is a compound? - ANSWER--Combining different atoms
90% of the human body is composed of just four elements which are: - ANSWER--Carbon, Hydrogen, Oxygen, Nitrogen

What are ions? - ANSWER--Particle that is electrically charged because it has gained or lost one or more eletrons

What is a covalent bonds? - ANSWER--Atoms sharing electrons instead of losing or gain them

What is polar bond? - ANSWER--Bond created when electrons shared by adjacent atoms are shared unequally

hydrophilic means - ANSWER--water-living

Hydrophobic means - ANSWER--water-fearing

What is electrolyte? - ANSWER--Substances that release ions when puts into water

What is pH? - ANSWER--a measure of hydrogen ion concentration

Anterior position - ANSWER--a body part is located towards the front (ventral)

Posterior position - ANSWER--a body part is located toward the back. (dorsal)

Superior position - ANSWER--a body part is located ABOVE another part or towards the head
What is ionic bond? - ANSWER--Ions with opposite charges attract

Anatomy - ANSWER--structure as well as its relationship with other structure

Physiology - ANSWER--function of the body

Proximal - ANSWER--a body part is CLOSER to a specific point of origin or attachment or closer to the trunk of the body

Distal - ANSWER--a body part is FARTHER from the specific point of the origin or attachment

Superficial -external - ANSWER--a body part is located near the surface

Deep (internal) - ANSWER--a body part is located away from the surface

A sagittal plane (median) cuts the body - ANSWER--right down the middle

A transverse plane cuts the body - 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): - ANSWER--Tissue

The relative consistency of the body's internal environment is called - ANSWER--hemostasis

A group of similar types of cells that performs a specific function is a(n): - ANSWER--tissue

A group of two or more types of tissues is a(n): - ANSWER--Organ

Structures found WITHIN a cell that perform specific functions are: - ANSWER--Organelles

Place the levels of organization in order from least complex to most complex - ANSWER--atom, molecule, organelle, cell, tissue, organ, organ system, organism

The mitochondrion is an example of a(an) - ANSWER--Organelle

The nose is _______ to the chin - ANSWER--Superior

The muscles are _____ to the skin - ANSWER--Deep