How to use this NAPLEX deck

NAPLEX cases ask you to apply therapeutics to patient-specific information: identify drug therapy problems, choose or calculate a regimen, and set appropriate monitoring. Flashcards help with the facts and thresholds you need to retrieve quickly, but they cannot replace practising how you apply them to a case.

This deck focuses on commonly tested medication-use decisions: anticoagulation, renal dosing, interactions, urgent treatment, and calculations. In MySummaries, a NAPLEX revision board can turn your own notes into cards like these. Work through the cards actively: read the question, pause long enough to retrieve the answer, then reveal it. Grade each response honestly: use Again if you could not recall it, Hard if recall was difficult, Good if you answered correctly with effort, and Easy if the answer came promptly and accurately. The buttons describe your recall, not how important the fact is.

A NAPLEX deck on these topics ends up looking like this:

Cards — NAPLEX — High-yield therapeutics18 due

For nonvalvular atrial fibrillation, what apixaban dose reduction rule is used in the US label?

Use 2.5 mg orally twice daily if the patient meets at least two of these: age ≥80 years, body weight ≤60 kg, or serum creatinine ≥1.5 mg/dL.

All 18 cards
For nonvalvular atrial fibrillation, what apixaban dose reduction rule is used in the US label?Use 2.5 mg orally twice daily if the patient meets at least two of these: age ≥80 years, body weight ≤60 kg, or serum creatinine ≥1.5 mg/dL.
What is the usual enoxaparin treatment regimen for acute DVT when CrCl is ≥30 mL/min?1 mg/kg subcutaneously every 12 hours.
How is enoxaparin treatment dosing adjusted for acute DVT when CrCl is <30 mL/min?1 mg/kg subcutaneously every 24 hours.
What is the labelled rivaroxaban regimen for adult DVT or PE treatment?15 mg orally twice daily with food for 21 days, then 20 mg once daily with food.
What INR target is commonly used for warfarin in nonvalvular atrial fibrillation?An INR target range of 2.0–3.0, unless patient-specific factors or a different indication call for another target.
At what eGFR is metformin contraindicated under US labelling?An eGFR below 30 mL/min/1.73 m².
Which antihypertensive drug classes should generally be avoided during pregnancy because of fetal harm?ACE inhibitors and ARBs.
What are the US high-intensity statin regimens?Atorvastatin 40–80 mg once daily or rosuvastatin 20–40 mg once daily.
What important interaction can occur when trimethoprim-sulfamethoxazole is started in a patient taking warfarin?It can increase the INR and bleeding risk; arrange closer INR monitoring and assess whether warfarin adjustment is needed.
What vancomycin AUC24/MIC target is recommended for serious MRSA infections when the MIC is assumed to be 1 mg/L?An AUC24/MIC of 400–600, generally assessed using an AUC-guided dosing method.
How should a conscious adult with hypoglycaemia who can swallow be treated initially?Give 15 g of fast-acting carbohydrate, then recheck glucose after 15 minutes and repeat treatment if it remains low.
What is the key administration safety rule for concentrated potassium chloride injection?Never administer it by IV push; dilute and administer by controlled infusion according to the order and institutional policy.
When should levothyroxine tablets generally be taken for consistent absorption?On an empty stomach, 30–60 minutes before breakfast.
Which beta-blockers have evidence-based use in HFrEF?Carvedilol, bisoprolol, and sustained-release metoprolol succinate.
What adult intramuscular epinephrine dose is commonly recommended initially for anaphylaxis?0.3–0.5 mg of the 1 mg/mL solution into the mid-anterolateral thigh; repeat every 5–15 minutes if needed.
What is the classic Cockcroft–Gault equation for estimated creatinine clearance in an adult male?CrCl (mL/min) = [(140 − age in years) × weight in kg] ÷ [72 × serum creatinine in mg/dL]. Apply the factor 0.85 for females when using the classic equation.
A 1,000 mL infusion is ordered over 8 hours. What pump rate is required?1,000 mL ÷ 8 hours = 125 mL/hour.
What does the standard conversion 1 g = ? mg equal?1 g = 1,000 mg.

That is a MySummaries deck, filled with NAPLEX material. Yours is written from your own notes. Start free

Treat the deck as a drill, not a reading list. For each card, say the answer before revealing it. Then grade the recall: if you remembered the dose but missed the route or interval, choose Hard rather than Good. A correct number with the wrong units is not a correct calculation. If you missed a card, read the answer carefully and try to retrieve it again later, rather than immediately marking it Easy.

The core behind the deck

A flashcard is useful when it isolates one decision. Cases require several decisions in sequence. Before recommending a medication, scan the case for immediate danger, allergies, contraindications, relevant labs, renal and hepatic function, interactions, and whether the current regimen duplicates or conflicts with another therapy. Then link your monitoring plan to the treatment goal.

This short checklist gathers the thresholds and safeguards that deserve particularly reliable recall. A NAPLEX Must not miss core for this deck looks like this:

Must not miss coreNAPLEX — High-yield therapeutics
Apixaban for nonvalvular atrial fibrillation: reduce to 2.5 mg twice daily only when at least two apply—age ≥80 years, weight ≤60 kg, serum creatinine ≥1.5 mg/dL.
Enoxaparin for acute DVT: 1 mg/kg SC every 12 hours at CrCl ≥30 mL/min; 1 mg/kg SC every 24 hours at CrCl <30 mL/min.
Metformin: contraindicated at eGFR <30 mL/min/1.73 m²; review the current US label and patient factors for eGFR 30–45.
Anaphylaxis: give epinephrine IM into the mid-anterolateral thigh; a common adult initial dose is 0.3–0.5 mg of 1 mg/mL solution.
For serious MRSA infection with vancomycin and MIC assumed to be 1 mg/L, target AUC24/MIC 400–600 using AUC-guided dosing.

Use the checklist to test the boundaries of your recall. For example, the apixaban reduction rule is not “reduce for any one criterion”; it requires at least two. The enoxaparin interval changes at the stated renal threshold. In a case response, explicitly connect the patient’s actual age, weight, serum creatinine, and calculated renal function to the choice you recommend. Do not apply a dose rule mechanically when the indication, product labelling, or patient circumstances differ.

Turn missed marks into another retrieval

After studying, practise with patient cases. Identify the most urgent problem first, select a regimen that fits the patient, show calculations with units, and name monitoring tied to the goal. For example, anticoagulation recommendations should not stop at naming a drug: consider the indication, renal function, bleeding risk, concurrent medicines, and the relevant follow-up. For a dose calculation, write the units through each step so an arithmetic error or conversion error is visible.

Check current US prescribing information and authoritative clinical references when you need a specific recommendation; dosing and guidance can vary by indication, formulation, patient factors, and updated evidence. Use the NAPLEX candidate materials for official information about the examination itself.

When a card or case response is missed repeatedly, turn the exact gap into a small follow-up prompt. The remediation tray might hold this question after a candidate repeatedly loses the apixaban criteria mark:

Remediation tray

You lost this mark twice: a patient with nonvalvular atrial fibrillation is 82 years old, weighs 58 kg, and has a serum creatinine of 1.4 mg/dL. Does the US apixaban dose-reduction rule apply, and why?

Add cardDismiss

Answer it by counting the criteria: age ≥80 and weight ≤60 kg both apply, so the reduction rule is met even though serum creatinine is below 1.5 mg/dL. Practise explaining the rule, not just recognising the number. That distinction is what lets you use a memorised fact accurately in a case with several competing details.

How MySummaries helps

MySummaries builds revision boards from your own PDFs, slides, and photographed notes, then generates spaced-repetition cards from the material. For NAPLEX preparation, use a board to keep drug facts, calculations, monitoring, and case notes together; practise the cards, then return to missed details for targeted review.