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Exam Prep · Dosage Calculation

How to Prepare for Your Math Quiz or Exam

Cramming the night before does not work for dosage math. Process is what saves you — not memorization. Here is exactly what to do in the days leading up to your exam, the night before, and the morning of.

Your Countdown Timeline

1 Week Out

Build your foundation — not your panic

Find your weak spots now

Take a practice quiz across all topics. Where do you lose points? IV drips? Weight-based? Unit conversions? You need to know now — not the night before.

Review your Unit 0 foundations

Go back through the Three Questions, the tomatoes-for-tomatoes rule, and the unit conversion table. Shaky foundations are why students fail on exam day.

Do 10 problems a day — not 100

Consistency beats cramming. 10 focused problems with full setup and rationale beats rushing through 100 in one sitting. Show your work every time.

Write out your conversions from memory

1 g = ? mg. 1 kg = ? lbs. 1 tsp = ? mL. Write them on a blank paper daily until they come without thinking. These should be automatic by exam day.

2–3 Days Out

Sharpen what you know — stop learning new things

🎯Focus only on your weak areas

By now you know where you struggle. Spend 80% of your time there. Do not keep practicing what you already get right — that feels good but it wastes the time you need.

✍️Practice your full ritual out loud

Read the problem out loud. Say "What are they asking me?" out loud. Write every step. Use dimensional analysis from setup to finish. If you can teach it out loud, you know it.

Do one timed practice set

Simulate exam conditions. Set a timer. No notes. Work through 10–15 problems the same way you will on exam day.

Review your errors — not your successes

Every wrong answer from your practice quizzes — go back and find the exact step where you went wrong. Was it the setup? A unit? A divided dose you missed?

Stop learning brand-new topics 48 hours before the exam. If you haven't covered it by now, trying to cram it in two days will shake your confidence on what you already know. Refine, don't scramble.

The Night Before

Less is more — protect your brain

💤 Tonight is not for learning. It is for reinforcing.

Your brain consolidates memory during sleep. The most valuable thing you can do tonight is review lightly, then rest. A tired brain on exam day makes decimal errors. A rested brain catches them.

  • Do a light review only — go through your conversions, the 8-step ritual, and 5 practice problems max. Not 50.

  • Write your cheat sheet from memory — on a blank paper, write every conversion you need. The act of writing it cements it. Don't just re-read notes.

  • Review the "tomatoes for tomatoes" rule — remind yourself that every unit on top needs a match on the bottom. That one habit will save you points tomorrow.

  • Remind yourself of the divided dose trap — if you see TID, BID, QID — divide before you calculate volume.

  • Pack everything you need — calculator, pencil, scratch paper if allowed. Do not be scrambling in the morning.

  • Set two alarms and go to sleep — 7–8 hours of sleep improves test performance more than 2 more hours of studying. This is not optional advice.

Do not do this tonight: Do not start a brand new topic. Do not do 100 practice problems. Do not stay up past midnight. Do not drink excessive caffeine. All of these hurt your performance tomorrow — they do not help it.

Morning Of

Protect your calm — it is your greatest asset right now

Eat something real

Your brain runs on glucose. A real breakfast — not just coffee — keeps your focus steady through the exam.

Hydrate

Even mild dehydration slows cognitive processing. Drink water before you leave the house.

Glance at your cheat sheet

The one you wrote from memory last night. 5 minutes only. Just to activate what you already know.

No group panic

Avoid the pre-exam hallway conversation where everyone lists what they don't know. It is contagious and useless.

4 · 7 · 8 breathing

Inhale 4 sec. Hold 7 sec. Exhale 8 sec. Do this twice before you sit down. It physically lowers your heart rate.

Arrive early

Rushing to an exam spikes cortisol. Being early gives your nervous system time to settle before the first question.

During the Exam

Run your process — trust what you built

🛑 The first thing you do on scratch paper

Before you read question one — write your conversions from memory at the top of your scratch paper. All of them. 1 g = 1000 mg. 1 kg = 2.2 lbs. 1 tsp = 5 mL. All of it. This takes 60 seconds and means you never have to recall them under pressure.

  • Read the last sentence first. What are they actually asking you to find? Write it down before you read the rest.

  • List every unit in the problem before you set up anything. Spot the mismatch before it becomes an error.

  • Estimate before you calculate. Write a ballpark number. If your final answer is wildly different — recheck before moving on.

  • Show every step. Even on multiple choice. The setup often tells you where you went wrong before you get the wrong answer.

  • If you freeze — skip and come back. One hard question is not worth losing 5 minutes of calm on the rest of the exam.

  • Ask yourself: does this make clinical sense? Before you select any answer — would a nurse actually give this amount to a real patient?

If your mind goes blank: Stop. Put your pencil down. Take one slow breath. Write "What are they asking me?" on your scratch paper and answer it in plain English. That one sentence almost always unlocks the problem.

"I do not need to be fast.
I need to be right.
I have a process and I trust it."

Read this before every exam. Say it out loud if you have to. Slow is smooth. Smooth is safe.