Free NLN NEX Exam Flashcards

Memorize 50 essential terms and definitions for the NLN Nursing Entrance Exam (formerly PAX). See the term, recall the definition, then flip to check yourself.

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What exam replaced the NLN PAX?

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About These NLN NEX Flashcards

These 50 flashcards are designed to help you memorize key terms and definitions for the NLN Nursing Entrance Exam (formerly PAX). Each card shows a term on the front and its definition on the back—the classic flashcard format for vocabulary memorization. Use these alongside our practice questions to build both recall and comprehension.

Topics Covered

Exam Structure4 cards
Scoring & Admission4 cards
Verbal Ability5 cards
Reading Comprehension4 cards
Numbers & Operations4 cards
Measurement & Conversions4 cards
Algebra & Data4 cards
Biology7 cards
Chemistry & Cells5 cards
Anatomy & Physiology8 cards
Health & Nutrition1 cards

Complete Flashcard Reference

Review every term in this set. Open any term to reveal its definition.

What exam replaced the NLN PAX?

The NLN Nursing Entrance Exam, or NEX, replaced the PAX. If a school still says PAX, confirm whether it now means the updated NEX requirement.

How is the NEX organized?

It has three major sections: Verbal Ability, Mathematics, and Science. Each section has its own 60-minute testing block.

Why should every NEX question be treated as scored?

Some items are unscored pretest questions, but they are mixed into the exam and not identified. Work each question as if it counts.

Does the NEX have one national passing score?

No. The NLN reports composite and percentile-based results, but each nursing program sets its own admission cutoff.

What does a NEX percentile rank mean?

A percentile compares you with other test-takers. A 60th percentile result means you scored higher than about 60% of the comparison group, not that you answered 60% correctly.

What is the NEX composite score scale?

NEX composite scores are reported on a 0-300 scale using section performance and percentile ranking. Schools decide how they use that score.

What retake rule should NEX candidates check first?

Check the nursing program's policy. NLN guidance may suggest a wait, but schools often control retake windows, attempt limits, and which score they accept.

What changed from PAX to NEX science content?

The NEX is more nursing-focused: physics was removed, while biology, anatomy, physiology, chemistry, and health concepts remain important.

Word knowledge strategy: unfamiliar medical term

Break the word into prefix, root, and suffix. Then use the sentence context to test whether your meaning fits the passage.

Contraindicated

Means a treatment or action should be avoided because it may be harmful for that person or situation.

Acute vs. chronic

Acute usually means sudden or short-term. Chronic means ongoing, recurring, or long-lasting.

Benign vs. malignant

Benign means not cancerous or not likely to spread. Malignant means cancerous, invasive, or capable of spreading.

Bilateral vs. unilateral

Bilateral means both sides. Unilateral means one side only.

What should control your answer on a passage question?

Use what the passage states or strongly supports. Do not choose an answer only because it is true from outside knowledge.

Main idea vs. supporting detail

The main idea is the passage's central point. Supporting details explain, prove, or illustrate that point.

Inference questions

An inference is a reasonable conclusion based on clues in the text. It should be supported by the passage, not guessed from personal opinion.

Author's purpose

Ask why the passage was written: to explain, compare, persuade, warn, summarize, or describe a process.

Best first step in a math word problem

Identify what the question asks for, list the given values, and set up units before calculating.

Percent change formula

Percent change = difference divided by original value, then multiply by 100. Use the original value as the denominator.

Converting a decimal to a percent

Move the decimal two places to the right. For example, 0.375 becomes 37.5%.

Ratio setup

Keep the order consistent. If the problem says medication to saline, every equivalent ratio must keep medication first and saline second.

Why units matter in NEX math

Units show whether you need to multiply, divide, or convert. If the final unit does not match the question, the setup is probably wrong.

Metric ladder: kilo, base, milli

Kilo is 1,000 base units. Milli is 1/1,000 of a base unit. This supports common conversions like kilograms to grams and liters to milliliters.

Temperature conversion clue

Use F = (C x 9/5) + 32 for Celsius to Fahrenheit. Use C = (F - 32) x 5/9 for Fahrenheit to Celsius.

Dosage total over time

Find the amount per dose, multiply by doses per day, then multiply by number of days. Track units at each step.

Solving a one-step linear equation

Use inverse operations to isolate the variable. Whatever you do to one side of the equation, do to the other side.

What does slope represent?

Slope is rate of change: change in y divided by change in x. In data problems, read it as how much one quantity changes for each unit of another.

Reading a graph before calculating

Check the title, axis labels, units, scale, and legend. Many graph errors come from reading the wrong variable or interval.

Mean vs. median

Mean is the arithmetic average. Median is the middle value after ordering the data and is less affected by extreme outliers.

Mitosis

Cell division that produces two genetically identical daughter cells. It supports growth, repair, and replacement of body cells.

Meiosis

Cell division that produces gametes with half the usual chromosome number. It creates genetic variation for sexual reproduction.

DNA base-pairing rule

In DNA, adenine pairs with thymine, and cytosine pairs with guanine. In RNA, uracil replaces thymine.

Transcription vs. translation

Transcription makes RNA from DNA. Translation uses mRNA at the ribosome to build a protein from amino acids.

Osmosis

The passive movement of water across a semipermeable membrane toward the side with higher solute concentration.

Active transport

Movement of substances against a concentration gradient using energy, usually ATP. The sodium-potassium pump is a classic example.

Dominant vs. recessive allele

A dominant allele can show its trait with one copy. A recessive trait usually appears only when both alleles are recessive.

pH scale

A pH below 7 is acidic, 7 is neutral, and above 7 is basic. Each whole pH step reflects a tenfold change in hydrogen ion concentration.

Covalent vs. ionic bond

Covalent bonds share electrons. Ionic bonds form when electrons are transferred and oppositely charged ions attract.

Buffer

A buffer resists large pH changes when small amounts of acid or base are added. Body fluids rely on buffering to protect cells and enzymes.

Mitochondria

Organelles that generate much of the cell's ATP through aerobic cellular respiration.

Ribosome

The cell structure where proteins are assembled from amino acids using the instructions carried by mRNA.

Anatomical position

The reference position for body directions: standing upright, facing forward, arms at sides, palms forward. Directional terms assume this position.

Superior, inferior, medial, lateral

Superior means toward the head, inferior toward the feet, medial toward the midline, and lateral away from the midline.

Path of blood through the heart

Right heart sends blood to the lungs. Left heart receives oxygenated blood and pumps it to the body through the aorta.

Alveoli

Tiny air sacs in the lungs where oxygen and carbon dioxide diffuse between air and blood.

Nephron

The functional unit of the kidney. It filters blood, reabsorbs needed substances, secretes wastes, and helps regulate fluid and electrolytes.

Insulin and glucagon

Insulin lowers blood glucose by helping cells take up glucose. Glucagon raises blood glucose by signaling the liver to release stored fuel.

Homeostasis

The body's process of maintaining a stable internal environment, such as temperature, blood pH, blood glucose, and fluid balance.

Negative feedback

A control loop that reverses a change and moves the body back toward a set point, such as sweating when body temperature rises.

Soluble fiber

Fiber that dissolves in water, can slow digestion, and may help support healthier cholesterol and blood glucose patterns.

Frequently Asked Questions

How many questions are on the NLN NEX?

The NLN Nursing Entrance Exam has 163 total questions: 145 scored questions and 18 unscored pretest questions. The exam is 3 hours, split into 60 minutes per section.

What should NLN NEX flashcards cover?

NLN NEX flashcards should cover verbal ability, math, science, anatomy and physiology, reading, ratios, conversions, basic algebra, biology, chemistry, and test-taking vocabulary.

What score do I need on the NLN NEX?

NLN NEX score expectations are program dependent. Many nursing programs look for competitive percentile performance, so candidates should confirm the cutoff with each school and use flashcards to stabilize weak subjects.

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