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NCLEX-RN Complete Prep Course — Lesson 68: Endocrine Medications: Thyroid Drugs, Corticosteroids, Hormone Therapy, and Antidiuretic Hormone
Sarah Mitchell teaches the timing and pairing rules of endocrine drugs: levothyroxine alone in the morning and four hours from calcium and iron, the sore-throat warning on propylthiouracil and methimazole, and corticosteroids given in the m
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 67: Parametric differentiation
Sarah derives d y by d x as d y by d t divided by d x by d t, valid wherever d x by d t is not zero. She works x equals t squared with y equals t cubed to three t over two, then shows the second derivative is the t derivative of the gradien
NCLEX-RN Complete Prep Course — Lesson 67: Diabetes Medications: Insulin Types, Onset and Peak, Mixing, Hypoglycemia, and Oral Agents
Sarah Mitchell builds the insulin table from rapid-acting lispro to peakless glargine, with the onset, peak, and feeding rule for each, then covers clear-before-cloudy mixing, site rotation, and storage. She walks through the rule of 15 for
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 66: Implicit differentiation
Sarah Mitchell shows how to differentiate a relation term by term without rearranging it, using the rule that a function of y differentiates to its y-derivative times dy/dx. She works the circle x² + y² = 25 to dy/dx = −x/y, handles the pro
NCLEX-RN Complete Prep Course — Lesson 66: Respiratory Medications: Bronchodilators, Inhaled Steroids, Leukotriene Modifiers, Theophylline, and Oxygen as a Drug
Sarah Mitchell sorts every respiratory drug into rescue or controller: albuterol for attacks, inhaled corticosteroids and long-acting beta agonists for daily control and never a LABA alone in asthma, and ipratropium and tiotropium with thei
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 65: Derivatives of trigonometric, exponential and logarithmic functions
Sarah drills the standard derivatives every Paper I differentiation question depends on: sine to cosine, cosine to minus sine, tangent to secant squared, e to the x to itself, and the natural log of x to one over x. She adds secant, cosecan
NCLEX-RN Complete Prep Course — Lesson 65: Anticoagulants, Antiplatelets, and Thrombolytics: Heparin, Warfarin, DOACs, Labs, and Antidotes
Sarah Mitchell drills the numbers and antidotes the exam repeats: heparin by aPTT at 1.5 to 2.5 times control with protamine as the antidote and HIT as the trap, enoxaparin technique, warfarin by INR of 2 to 3 with vitamin K and days to ons
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 64: The chain rule
Sarah teaches the chain rule as an outside-in habit. She states d y by d x equals d y by d u times d u by d x, then differentiates the bracket three x plus one to the fifth and the natural log of x squared plus one. She covers the log short
NCLEX-RN Complete Prep Course — Lesson 64: Cardiovascular Medications II: Digoxin, Antiarrhythmics, Nitrates, Statins, and Vasoactive Drips
Sarah Mitchell covers the narrow-margin cardiac drugs: digoxin's one-minute apical pulse, hold parameters, 0.5 to 2.0 therapeutic range, toxicity picture, the hypokalemia link, and digoxin immune fab. She then works through amiodarone's org
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 63: Product and quotient rules
Sarah Mitchell teaches the product and quotient rules for MATSEC Advanced Matriculation Pure Mathematics. She states both rules in words, insists on naming u and v with their derivatives before assembling, differentiates e to the three x ti
NCLEX-RN Complete Prep Course — Lesson 63: Cardiovascular Medications I: Antihypertensives and Diuretics
Sarah Mitchell matches each antihypertensive class to its signature harm: ACE inhibitor cough, angioedema, and hyperkalemia with ARBs as the switch; beta blocker holding parameters and masked hypoglycemia; amlodipine edema and diltiazem rat
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 62: The derivative as a limit and powers of x
This lesson defines the derivative as the limit, as h tends to zero, of the difference quotient, and identifies that limit as the gradient of the tangent. It differentiates y equals x squared from first principles, then introduces the power
NCLEX-RN Complete Prep Course — Lesson 62: Total Parenteral Nutrition and Enteral Nutrition: Monitoring, Complications, and Tube Feeding Safety
Sarah Mitchell covers feeding patients who cannot eat: running TPN through a dedicated central lumen with a filter and 24-hour bag changes, hanging D10W if a bag runs out, glucose checks every four to six hours, refeeding syndrome, and lipi
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 61: Products and quotients in polar form
Sarah Mitchell teaches how multiplication and division behave in polar form: moduli multiply and arguments add, moduli divide and arguments subtract. She covers bringing arguments back into the principal range from minus pi to pi, the stret
NCLEX-RN Complete Prep Course — Lesson 61: Blood and Blood Product Administration: Verification, Transfusion Reactions, and What to Do First
Sarah Mitchell lays out the transfusion checklist: consent, type and crossmatch, an 18 to 20 gauge IV, saline only, filter tubing, and the two-nurse bedside verification, then the timing rules of a slow start, 15 minutes at the bedside, and
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 60: The Argand diagram and polar form
Sarah plots complex numbers on the Argand diagram and converts them to polar form. She builds the modulus from Pythagoras, fixes the principal argument in the interval from minus pi to pi, and drills the quadrant adjustments of pi minus alp
NCLEX-RN Complete Prep Course — Lesson 60: IV Therapy and Venous Access: Peripheral IVs, Central Lines, Infiltration, Phlebitis, Extravasation, and Air Embolism
Sarah Mitchell covers peripheral IV site selection, gauge, dressings, and assessment, then separates infiltration, phlebitis, and extravasation by signs and first action, including why the catheter stays in for a vesicant. She reviews PICC
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 59: Complex roots of polynomials
Sarah solves x squared minus four x plus thirteen with a negative discriminant, reading the root of minus thirty six as six i. She then teaches the conjugate root theorem for real coefficients, builds the real quadratic factor from the pair
NCLEX-RN Complete Prep Course — Lesson 59: Adverse Effects, Drug Interactions, and Allergic Reactions: From Rash to Anaphylaxis
Sarah Mitchell separates side effect, adverse effect, toxicity, and true allergy, then runs the anaphylaxis sequence with epinephrine doses and the biphasic watch window. She covers Stevens-Johnson syndrome, ACE inhibitor angioedema, red ma
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 58: Square roots of a complex number
Sarah Mitchell teaches the standard method for square-rooting a complex number: set the quantity a plus b i squared equal to z, expand, and equate real and imaginary parts to get a squared minus b squared and two a b. She works minus eight
NCLEX-RN Complete Prep Course — Lesson 58: Medication Administration Routes and Techniques: Oral, Sublingual, Injections, Inhalers, Eye and Ear Drops, and Tubes
Sarah Mitchell walks through the technique details the NCLEX turns into which-action-is-correct questions: which tablets can never be crushed, flushing through N G and PEG tubes, subcutaneous and intramuscular angles, sites, and needle size
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 57: Conjugates and division
Sarah Mitchell teaches the complex conjugate as the tool that makes division work. She covers reversing the sign of the imaginary part, multiplying top and bottom by the conjugate of the denominator, the identity that z times its conjugate
NCLEX-RN Complete Prep Course — Lesson 57: Medication Calculations: Dimensional Analysis, Weight-Based Dosing, IV Drip Rates, and Pediatric Doses
Sarah Mitchell works dosage calculations out loud the way they appear on exam day: the six conversions to memorize, desired over have and dimensional analysis, weight-based pediatric dosing with safe range checks, milliliters per hour and d
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 56: Arithmetic of complex numbers
Sarah Mitchell teaches the standard form a plus i b, the single rule that i squared equals minus one, componentwise addition and subtraction, and full bracket expansion for multiplication. She works three plus four i times one minus two i t
NCLEX-RN Complete Prep Course — Lesson 56: Pharmacology Principles: Pharmacokinetics, Half-Life, Therapeutic Index, and the Rights of Medication Administration
Sarah Mitchell lays out the framework behind every NCLEX drug question. She walks through absorption, distribution, metabolism, and excretion, why liver and kidney disease change the dose, half-life and the four to five half-lives to steady
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 55: Small angle approximations
An edge-weight lesson on the small angle approximations for sine, tangent and cosine in radians. It states sine x approximately x, tangent x approximately x, and cosine x approximately one minus x squared over two, explains why cosine needs
NCLEX-RN Complete Prep Course — Lesson 55: Comfort at the End of Life: Palliative Care, Hospice, Symptom Management, and Postmortem Care
Sarah Mitchell separates palliative care, available at any stage of serious illness, from hospice, which requires a prognosis of six months or less and a comfort focus. She teaches the signs of approaching death, including mottling, Cheyne
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 54: Harmonic form R cos(θ ± α)
Compresses a cosine theta plus b sine theta into one wave, R cosine of theta minus alpha, where R is the positive square root of a squared plus b squared and alpha is the inverse tangent of b over a. Covers the four equivalent forms, maximu
NCLEX-RN Complete Prep Course — Lesson 54: Pain Assessment and Non-Pharmacological Comfort Measures
Sarah Mitchell builds pain assessment from the ground rule that pain is whatever the patient says it is: PQRST and OLDCARTS, the numeric scale, Wong Baker FACES from age three, FLACC for infants and nonverbal patients, and PAINAD for dement
MATSEC AM Pure Mathematics Complete Prep Course — Lesson 53: General solutions of trigonometric equations
Sarah Mitchell derives the three general solution forms for sine, cosine and tangent equations, explaining why sine alternates with minus one to the power n while cosine takes both signs and tangent needs only n pi. She covers principal val