A cheat sheet is a shortened version of crucial information that facilitates speedy study and revision. Throughout the test, it will be a quick reference to help you remember important information. An in-depth HESI study guide will ensure that you always have the most pertinent data at your disposal, allowing you to swiftly and accurately respond to test questions.<\/p>\n\n\n\n
To use the HESI cheat sheet effectively and get your desired grade, you must be familiar with the HESI A2 exam structure. The best way to prepare and understand the structure of the HESI exam is to take practice questions. Naxlex is the most trusted TEAS 7 and HESI A2 Test prep with a guarantee of a 90% pass. Sign Up now<\/a> and learn how to navigate the HESI A2 exam.<\/p>\n\n\n\n Mastering the HESI A2 exam requires a comprehensive understanding of key concepts and information. The Ultimate HESI Cheat Sheet provided here is your key to exam success, offering brief and essential details across different subjects. With this cheat sheet, you’ll have a quick reference that will help you easily remember important information and navigate the exam.<\/p>\n\n\n\nHESI Cheat Sheet For Math Content<\/h3>\n\n\n\n
Geometry Topic<\/td> Description<\/td><\/tr> Area<\/td> – Square: A = s^2<\/td><\/tr> <\/td> – Rectangle: A = l \u00d7 w<\/td><\/tr> <\/td> – Triangle: A = 1\/2 \u00d7 b \u00d7 h<\/td><\/tr> <\/td> – Circle: A = \u03c0 \u00d7 r^2<\/td><\/tr> Perimeter<\/td> The total length of the boundary of a 2D shape or figure.<\/td><\/tr> <\/td> – Square: P = 4s<\/td><\/tr> <\/td> – Rectangle: P = 2l + 2w<\/td><\/tr> <\/td> – Triangle: P = a + b + c<\/td><\/tr> <\/td> – Circle: P = 2\u03c0r<\/td><\/tr> Volume<\/td> The measure of the space occupied by a 3D shape or object.<\/td><\/tr> <\/td> – Cube: V = s^3<\/td><\/tr> <\/td> – Rectangular Prism: V = l \u00d7 w \u00d7 h<\/td><\/tr> <\/td> – Cylinder: V = \u03c0 \u00d7 r^2 \u00d7 h<\/td><\/tr> Angles<\/td> The amount of rotation between two intersecting lines or line segments.<\/td><\/tr> <\/td> – Right Angle: 90\u00b0<\/td><\/tr> <\/td> – Straight Angle: 180\u00b0<\/td><\/tr> <\/td> – Acute Angle: less than 90\u00b0<\/td><\/tr> <\/td> – Obtuse Angle: between 90\u00b0 and 180\u00b0<\/td><\/tr> Triangles<\/td> A polygon with three sides and three angles.<\/td><\/tr> <\/td> – Equilateral Triangle: all sides and angles are equal.<\/td><\/tr> <\/td> – Isosceles Triangle: two sides and two angles are equal.<\/td><\/tr> <\/td> – Scalene Triangle: all sides and angles are different.<\/td><\/tr> Circles<\/td> A round-shaped figure with all points on the boundary equidistant<\/td><\/tr> <\/td> from the center.<\/td><\/tr> <\/td> – Circumference: C = 2\u03c0r<\/td><\/tr> <\/td> – Diameter: d = 2r<\/td><\/tr> <\/td> – Arc Length: L = (\u03b8\/360\u00b0) \u00d7 2\u03c0r<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Measurement<\/strong><\/td> Conversion<\/strong><\/td><\/tr> Centimeters (cm) and inches (in)<\/td> 2.54 centimeters equals 1 inch<\/td><\/tr> Meters (m) and feet (ft)<\/td> 1 meter equals 3.28 feet<\/td><\/tr> Kilometers (km) and miles (mi)<\/td> 1.61 kilometers equals 1 mile<\/td><\/tr> Quarts (qt) and liters (L)<\/td> 1.06 quarts equals 1-liter<\/td><\/tr> Liters (L) and gallons (gal)<\/td> 3.79 liters equals 1 gallon<\/td><\/tr> Grams (g) and ounces (oz)<\/td> 28.3 grams equals 1-ounce<\/td><\/tr> Kilograms (kg) and pounds (lb)<\/td> 1 kilogram equals 2.2 pounds<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n HESI Cheat Sheet For Anatomy and Physiology<\/h3>\n\n\n\n
Topic<\/strong><\/td> Key Points<\/strong><\/td><\/tr> Cell Structure<\/td> – Cell membrane: selectively permeable barrier<\/td><\/tr> <\/td> – Nucleus: control center of the cell<\/td><\/tr> <\/td> – Mitochondria: energy production<\/td><\/tr> <\/td> – Endoplasmic reticulum: protein synthesis<\/td><\/tr> <\/td> – Golgi apparatus: packaging and distribution of molecules<\/td><\/tr> Tissues<\/td> – Epithelial: covers and protects body surfaces<\/td><\/tr> <\/td> – Connective: supports and connects body parts<\/td><\/tr> <\/td> – Muscle: enables movement and generates force<\/td><\/tr> <\/td> – Nervous: transmits and processes electrical signals<\/td><\/tr> Skeletal System<\/td> – Bones provide support, protection, and mineral storage<\/td><\/tr> <\/td> – Joints allow movement and flexibility<\/td><\/tr> <\/td> – Bone marrow produces blood cells<\/td><\/tr> Muscular System<\/td> – Skeletal muscles enable voluntary movement<\/td><\/tr> <\/td> – Smooth muscles control involuntary functions<\/td><\/tr> <\/td> – Cardiac muscle pumps blood throughout the body<\/td><\/tr> Nervous System<\/td> – Central nervous system: brain and spinal cord<\/td><\/tr> <\/td> – Peripheral nervous system: nerves and ganglia<\/td><\/tr> <\/td> – Neurons transmit electrical signals<\/td><\/tr> <\/td> – Neurotransmitters facilitate communication between cells<\/td><\/tr> Circulatory System<\/td> – Heart pumps oxygenated blood to tissues<\/td><\/tr> <\/td> – Blood vessels transport blood throughout the body<\/td><\/tr> <\/td> – Red blood cells carry oxygen<\/td><\/tr> <\/td> – White blood cells fight infections<\/td><\/tr> Respiratory System<\/td> – Lungs facilitate gas exchange<\/td><\/tr> <\/td> – Diaphragm aids in breathing<\/td><\/tr> <\/td> – Oxygen enters the bloodstream, carbon dioxide is removed<\/td><\/tr> Digestive System<\/td> – Mouth: digestion begins with chewing and saliva production<\/td><\/tr> <\/td> – Stomach: breaks down food with acids and enzymes<\/td><\/tr> <\/td> – Small intestine: absorbs nutrients<\/td><\/tr> <\/td> – Large intestine: absorbs water and forms feces<\/td><\/tr> Urinary System<\/td> – Kidneys filter waste products from blood<\/td><\/tr> <\/td> – Urine is produced and transported to the bladder<\/td><\/tr> <\/td> – Bladder stores urine until elimination<\/td><\/tr> Reproductive System<\/td> – Male: produces sperm cells and testosterone<\/td><\/tr> <\/td> – Female: produces eggs and hormones<\/td><\/tr> <\/td> – Fertilization and gestation occur in the female<\/td><\/tr> Endocrine System<\/td> – Glands secrete hormones for various bodily functions<\/td><\/tr> <\/td> – Pituitary gland: controls other glands<\/td><\/tr> <\/td> – Thyroid gland: regulates metabolism<\/td><\/tr> <\/td> – Adrenal glands: produce stress hormones<\/td><\/tr> Integumentary System<\/td> – Skin protects underlying tissues<\/td><\/tr> <\/td> – Hair and nails provide additional protection<\/td><\/tr> <\/td> – Sweat glands regulate body temperature<\/td><\/tr> <\/td> – Sensory receptors detect external stimuli<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n HESI Cheat Sheet For Reading Comprehension, Vocabulary, and General Knowledge<\/h2>\n\n\n\n
Category<\/strong><\/td> Tips and Strategies<\/strong><\/td><\/tr> Reading Comprehension<\/a><\/td> – Skim the passage before reading the questions<\/td><\/tr> <\/td> – Highlight or underline key information<\/td><\/tr> <\/td> – Pay attention to the main idea and supporting details<\/td><\/tr> <\/td> – Look for transition words and signal phrases<\/td><\/tr> <\/td> – Practice active reading techniques<\/td><\/tr> Vocabulary<\/a><\/td> – Learn word roots, prefixes, and suffixes<\/td><\/tr> <\/td> – Make flashcards for new words<\/td><\/tr> <\/td> – Use context clues to determine word meanings<\/td><\/tr> <\/td> – Read extensively to improve vocabulary<\/td><\/tr> <\/td> – Review common word lists and synonyms<\/td><\/tr> General Knowledge<\/td> – Stay updated with current events and news<\/td><\/tr> <\/td> – Read non-fiction books and articles<\/td><\/tr> <\/td> – Take notes while studying<\/td><\/tr> <\/td> – Practice critical thinking and logical reasoning<\/td><\/tr> <\/td> – Review key concepts from various subjects<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Common nursing mnemonics that can help study and remember important HESI A2 concepts:<\/h3>\n\n\n\n
Mnemonic<\/strong><\/td> Description<\/strong><\/td><\/tr> ABCDE<\/td> Airway, Breathing, Circulation, Disability, Exposure – A systematic patient assessment and prioritization approach.<\/td><\/tr> COLDSPA<\/td> Character, Onset, Location, Duration, Severity, Pattern, and Associated factors – Used for pain assessment.<\/td><\/tr> SAMPLE<\/td> Signs\/Symptoms, Allergies, Medications, Past medical history, Last oral intake, Events preceding – Used for patient history taking.<\/td><\/tr> BRAT Diet<\/td> Bananas, Rice, Applesauce, Toast – A diet commonly used for patients with gastrointestinal distress.<\/td><\/tr> ADPIE<\/td> Assessment, Diagnosis, Planning, Implementation, Evaluation – The nursing process for delivering patient care.<\/td><\/tr> 5 Rights<\/td> Right patient, Right medication, Right dose, Right route, Right time – Medication administration safety guidelines.<\/td><\/tr> SOAP<\/td> Subjective data, Objective data, Assessment, Plan – A format for organizing clinical progress notes.<\/td><\/tr> CAGE<\/td> Cut Down, Annoyed, Guilty, Eye-opener – A screening tool for alcohol abuse.<\/td><\/tr> BRUE<\/td> Brief Resolved Unexplained Events – A term used to describe infants with an unexplained episode of stopped breathing or pale\/blue skin tone.<\/td><\/tr> FAST<\/td> Face drooping, Arm weakness, Speech difficulties, Time to call emergency services – Signs of a stroke.<\/td><\/tr> RICE<\/td> Rest, Ice, Compression, Elevation – A treatment approach for managing acute injuries and swelling.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n The major body electrolytes, their roles, and the normal value ranges:<\/h3>\n\n\n\n
Electrolyte<\/strong><\/td> Role<\/strong><\/td> Normal Value Range<\/strong><\/td><\/tr> Sodium (Na+)<\/td> Regulates fluid balance, nerve function, and muscle contractions<\/td> 135-145 mEq\/L<\/td><\/tr> Potassium (K+)<\/td> Regulates heart rhythm, muscle function, and fluid balance<\/td> 3.5-5.0 mEq\/L<\/td><\/tr> Calcium (Ca2+)<\/td> Supports bone health, nerve signaling, and muscle contractions<\/td> Total: 8.5-10.5 mg\/dL<\/td><\/tr> <\/td> <\/td> Ionized: 4.5-5.6 mg\/dL<\/td><\/tr> Magnesium (Mg2+)<\/td> Involved in enzyme function, nerve function, and muscle contractions<\/td> 1.5-2.5 mEq\/L<\/td><\/tr> Chloride (Cl-)<\/td> Helps maintain fluid balance and assists in digestion<\/td> 98-106 mEq\/L<\/td><\/tr> Bicarbonate (HCO3-)<\/td> Regulates acid-base balance<\/td> 22-28 mEq\/L<\/td><\/tr> Phosphate (PO4-)<\/td> Supports bone health, energy production, and acid-base balance<\/td> 2.5-4.5 mg\/dL (serum)<\/td><\/tr> <\/td> <\/td> 2.0-4.5 mg\/dL (urine)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n