the margin · exams

HESI in three weeks

2026-06-30 · by Linnea Holm, MS, exams lead

Three weeks is enough, and it is enough because of how you spend it rather than how much of it there is. This is the plan I give every student who writes to me twenty-one days out.

Why rereading fails

Almost everybody who fails one of these prepared for it. They reread chapters, highlighted, felt increasingly comfortable with the material, and then met questions asking them to prioritise between four plausible actions for a patient they had never seen.

Recognising a page is not the same as retrieving a fact, and retrieving a fact is not the same as using it on a patient you have three seconds to think about. Rereading trains the first of those; these exams measure the last. That gap is why capable nursing students fail tests they revised hard for, and closing it means reversing the order of everything you do.

So questions come first, before you feel ready, and reading comes afterwards aimed only at what the questions exposed. It is a less pleasant three weeks than highlighting. It is also the difference between knowing the content and passing.

Week one: find out where you actually are

Day one, sit a full practice test under real conditions. Timed, no notes, no pausing, in one sitting. It will go badly and that is the point: you are collecting a map, not a grade.

Then break the results down by content area rather than looking at the total. You are looking for the two or three areas dragging everything down, because those are the whole plan. Nursing standardised exams sample broadly, so a weak area does not stay hidden.

Spend the rest of week one on the weakest area only. Fifty questions a day in that area, and for every single one you get wrong, write down why yours was wrong and why the right answer was right. That second half is where the learning is, and it is the part everybody skips.

The question types that catch nurses out

Prioritisation items are where most marks are lost, and rarely through ignorance. Four answers are all things a nurse would legitimately do, and the question is asking which comes first. The trap is choosing the intervention that helps most rather than the one that has to happen first.

Work through the standard framework every time rather than by instinct: is this an airway, breathing or circulation problem, is it actual rather than potential, and is assessment or intervention being asked for. Instinct is what a tired brain uses at question ninety, and instinct is what these items are designed to punish.

Select-all-that-apply items are the other reliable loss, because partial credit is often unavailable. Treat each option as its own true or false question and decide on it independently, rather than looking for a pattern across them. Reading them as a set is how one wrong inclusion takes the whole item.

Rehearse the conditions, not just the content

Sit at least two full-length practice tests in the actual conditions: your room, your chair, the time of day the real one is scheduled for, no phone, no interruptions. Holding attention for ninety unbroken minutes is something your body has to be trained for, and twenty-minute bursts do not train it.

Most of what students call exam nerves is unfamiliarity with the setup rather than with the subject, and it disappears once the setup has already happened twice. This is the cheapest available improvement and the one people are most likely to skip because it feels like a waste of an afternoon.

It is not. If you have time for exactly one more thing before your exam, make it a full timed sitting rather than another chapter.

When there has already been an attempt

First: this is common, and it is a progression obstacle rather than a verdict on whether you can nurse. I have worked with a great many people who failed one of these and then passed comfortably, and the difference was almost never that they learned more content.

Second: your score report is the best study guide you will ever be handed, because it names the areas that fell short instead of making you guess. Build the three weeks around exactly those and ignore everything else.

Third, and this surprises people: repeat attempts usually fail for different reasons than first attempts. Pacing and misreading dominate rather than knowledge, which is why timed practice matters more the second time round. If the rest of your coursework is sliding while you revise, that layer can be handed over so it stops competing for the same evenings.

Questions people actually ask

How many practice questions a day is realistic?

Fifty is a solid target for somebody working, and it's achievable in about ninety minutes including the review. The review is not optional: writing down why your answer failed and why the right one won is where the learning happens. Twenty questions properly reviewed beat a hundred rushed through without comment.

Should I use the official practice materials?

Use whatever your program provides first, because the format familiarity matters as much as the content. After that, any reputable question bank in the same style works fine. What matters far more than the source is the review habit, which most students abandon within a week because it's slower and less satisfying than answering more questions.

I have one week, not three. What do I cut?

Cut breadth, keep the method. Sit one timed test on day one, spend four days entirely on the weakest area it exposed, sit another timed test, and rest the day before. You'll cover less ground and still gain far more than a week of rereading would have given you.

Does anxiety actually affect the score?

Meaningfully, and mostly through pacing rather than knowledge. Anxious candidates linger on early questions, run short at the end, and rush the last section where they'd otherwise have done well. Full-length timed practice is the most reliable fix, because it makes the experience ordinary before the day that counts.

Linnea Holm
written by
Linnea Holm
MS, exams lead · one of eight in the study group.
The Margin

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