RANZCP MCQ Strategy: Single-Best-Answer Tactics That Work

6 min read

The MCQ paper is single-best-answer: often more than one option is *defensible*, and your job is to find the single best one for the stem as written. That subtle difference is where most marks are won and lost.

Read the stem, not just the options

Decide what you think the answer is before you look at the options. This stops attractive distractors from anchoring you. Pay close attention to qualifiers — *most appropriate*, *initial*, *next step*, *most likely* — they change the right answer even when the topic is identical.

Eliminate, then choose

Strike options that are clearly wrong first — you only need to choose among what survives.
For "most appropriate next step" stems, favour the safest, most immediate, guideline-consistent action.
Distrust absolutes ("always", "never") unless you are certain.
If two options are clinically equivalent, neither is the single best answer — re-read the stem for the discriminator.

Tip. Answer every question — there is no negative marking on a best-answer paper, so a reasoned guess on a hard item is always worth more than a blank.

A worked sample

SAMPLE QUESTION

A 68-year-old man on long-term lithium presents with a coarse tremor, ataxia, and confusion over two days after starting a new medication for hypertension. Which is the most likely contributor?

ANewly started thiazide diuretic✓

BNewly started amlodipine

CAbrupt cessation of caffeine

DA single missed lithium dose

ECommencing a low-salt diet that week

Show answer & explanation

The picture is lithium toxicity (coarse tremor, ataxia, confusion). Thiazide diuretics reduce renal lithium clearance and raise lithium levels — the classic precipitant when an antihypertensive is added. Amlodipine (a calcium-channel blocker) does not have this interaction, a missed single dose lowers rather than raises levels, and the other options are distractors. The discriminator is the drug class of the new antihypertensive.

Review is where accuracy is built

Doing thousands of questions does little if you never revisit your mistakes. Tag every item you missed or guessed, group them by domain, and re-drill the weakest. Fellowship Ready tracks your accuracy by domain and resurfaces your missed questions on a spaced schedule — start free with 10 MCQs, no card required.

Practise under real exam conditions

Sit timed MEQ cases and MCQ blocks with examiner-style marking. Start free — 3 MEQ cases and 10 MCQs, no card.

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