NLN Nursing Entrance Exam Study Guide: GRADED A+. Questions and Verified Answers. Latest 2026 Update

NLN Nursing Entrance Exam
Study Guide: GRADED A+.
Questions and Verified
Answers. Latest 2026 Update




NLN Nursing Entrance Exam (NEX) - Ans✔✔-A review guide for individuals
planning to take the NLN NEX exam.



General Biology - Ans✔✔-A section in the review materials covering
fundamental biological concepts.



Cell Structure and Function - Ans✔✔-A topic within General Biology that
discusses the components of cells and their roles.



Levels of Organization - Ans✔✔-A concept in biology that describes the
hierarchical structure of biological systems.



Diffusion - Ans✔✔-The process by which molecules spread from areas of high
concentration to areas of low concentration.

,Osmosis - Ans✔✔-The movement of water molecules through a selectively
permeable membrane from an area of low solute concentration to an area of
high solute concentration.



Evolution - Ans✔✔-The change in the inherited characteristics of biological
populations over successive generations.



Evidence and Theories - Ans✔✔-Scientific explanations supported by
substantial evidence and tested hypotheses.



Classification of Organisms - Ans✔✔-The systematic categorization of living
things based on shared characteristics.



Microbiology - Ans✔✔-The study of microscopic organisms, such as bacteria,
viruses, fungi, and protozoa.



Ecology - Ans✔✔-The branch of biology that deals with the relationships of
organisms to one another and to their physical surroundings.



Photosynthesis - Ans✔✔-The process by which green plants and some other
organisms use sunlight to synthesize foods with the help of chlorophyll.



Genetics - Ans✔✔-The study of heredity and the variation of inherited
characteristics.



Dominance - Ans✔✔-A genetic phenomenon where one allele masks the
expression of another allele at the same locus.

,Segregation - Ans✔✔-The separation of alleles during gamete formation,
leading to offspring inheriting one allele from each parent.



Independent Assortment - Ans✔✔-The principle that alleles for different traits
are distributed to sex cells (& gametes) independently of one another.



DNA - Ans✔✔-Deoxyribonucleic acid, the molecule that carries the genetic
instructions for life.



Gastrointestinal System - Ans✔✔-The organ system responsible for the
digestion and absorption of food.



Circulatory System - Ans✔✔-The system that circulates blood and lymph
through the body, consisting of the heart, blood vessels, and blood.



Lymphatic System - Ans✔✔-A network of tissues and organs that help rid the
body of toxins, waste, and other unwanted materials.



Respiratory System - Ans✔✔-The system responsible for taking in oxygen and
expelling carbon dioxide.



Nervous System - Ans✔✔-The network of nerve cells and fibers that transmits
nerve impulses between parts of the body.



Endocrine System - Ans✔✔-The collection of glands that produce hormones to
regulate metabolism, growth, and development.

, Musculoskeletal System - Ans✔✔-The organ system that enables humans and
other animals to move using the muscular and skeletal systems.



Connective Tissue - Ans✔✔-A type of tissue that supports, binds together, and
protects tissues and organs of the body.



Muscles - Ans✔✔-Tissues in the body that have the ability to contract and
produce movement.



Urinary System - Ans✔✔-The organ system that produces, stores, and
eliminates urine.



Reproductive System - Ans✔✔-The system of organs involved in producing
offspring.



Integumentary System - Ans✔✔-The organ system that protects the body from
various kinds of damage, including loss of water or abrasion.



Senses - Ans✔✔-The physiological capacities of organisms that provide data for
perception.



Basic Chemistry - Ans✔✔-The study of the basic principles of chemistry,
including atomic structure and chemical reactions.



Atomic Structure - Ans✔✔-The arrangement of protons, neutrons, and
electrons in an atom.