NCLEX-RN study guide · 2026

The 8 NCLEX-RN domains, explained

8 domains and 82 official topics. Management of Care carries the most weight at 15-21%. Each guide explains what the domain covers, how its questions are framed and where candidates lose marks.

Start with Domain 1 See all domains
Questions
85-150 items (computerized adaptive testing; includes 15 unscored pretest items and clinical judgment case studies)
Time
5 hours (including breaks)
Passing score
Pass/fail by CAT rules against the RN passing standard (0.00 logits, effective through March 31, 2029); no numeric score is reported
Outline
2026 NCLEX-RN Test Plan (effective April 1, 2026)

Exam blueprint

Bar widths follow the official weights. Weight ranges are drawn at their midpoint.

  1. 1 15-21%
  2. 2 10-16%
  3. 3 6-12%
  4. 4 6-12%
  5. 5 6-12%
  6. 6 13-19%
  7. 7 9-15%
  8. 8 11-17%
  1. 1 Management of Care
  2. 2 Safety and Infection Prevention and Control
  3. 3 Health Promotion and Maintenance
  4. 4 Psychosocial Integrity
  5. 5 Basic Care and Comfort
  6. 6 Pharmacological and Parenteral Therapies
  7. 7 Reduction of Risk Potential
  8. 8 Physiological Adaptation

All 8 domains

82 official topics 120–168 hrs suggested study

  1. Domain 01 15-21%

    Management of Care

    Management of Care is the largest NCLEX-RN Client Needs subcategory. It tests how a registered nurse directs care: setting priorities, delegating and assigning safely, protecting client rights and consent, and coordinating with the wider team.

    Inside this domain

    • Advance Directives/Self-Determination/Life Planning
    • Advocacy
    • Assignment, Delegation and Supervision
    • Case Management
    • and 12 more topics

    Watch for Stable equals delegable

    Topics
    16
    Questions est.
    ~9-24
    Study time est.
    20–28 hrs
  2. Domain 02 10-16%

    Safety and Infection Prevention and Control

    This subcategory tests how a registered nurse protects clients and staff from hazards: isolation precautions, surgical asepsis, fall and error prevention, safe restraint use, hazardous materials, security and emergency response.

    Inside this domain

    • Accident/Error/Injury Prevention
    • Emergency Response Plan
    • Ergonomic Principles
    • Handling Hazardous and Infectious Materials
    • and 6 more topics

    Watch for Mask is a mask

    Topics
    10
    Questions est.
    ~7-18
    Study time est.
    14–20 hrs
  3. Domain 03 6-12%

    Health Promotion and Maintenance

    Health Promotion and Maintenance covers care across the lifespan: growth and development, pregnancy, birth and newborn care, aging, screening, immunization, high-risk behaviors and physical assessment technique.

    Inside this domain

    • Aging Process
    • Ante-/Intra-/Postpartum and Newborn Care
    • Developmental Stages and Transitions
    • Health Promotion/Disease Prevention
    • and 5 more topics

    Watch for Call first

    Topics
    9
    Questions est.
    ~5-12
    Study time est.
    10–14 hrs
  4. Domain 04 6-12%

    Psychosocial Integrity

    Psychosocial Integrity covers the emotional, mental and social side of care: therapeutic communication, mental health conditions, crisis and suicide risk, abuse, substance use, grief, culture and spirituality.

    Inside this domain

    • Abuse or Neglect
    • Behavioral Interventions
    • Chemical and Other Dependencies/Substance Use Disorder
    • Coping Mechanisms
    • and 12 more topics

    Watch for Comfort with promises

    Topics
    16
    Questions est.
    ~5-12
    Study time est.
    12–16 hrs
  5. Domain 05 6-12%

    Basic Care and Comfort

    Basic Care and Comfort tests everyday nursing care that keeps clients functioning and comfortable: mobility and immobility risks, assistive devices, elimination, nutrition and hydration, hygiene, rest and sleep, and nonpharmacological comfort.

    Inside this domain

    • Assistive Devices
    • Elimination
    • Mobility/Immobility
    • Nonpharmacological Comfort Interventions
    • and 3 more topics

    Watch for Cane on the weak side

    Topics
    7
    Questions est.
    ~5-12
    Study time est.
    8–12 hrs
  6. Domain 06 13-19%

    Pharmacological and Parenteral Therapies

    Pharmacological and Parenteral Therapies covers safe medication and IV care: adverse effects and interactions, dosage calculation, administration, IV and central lines, blood products, parenteral nutrition and pain medication.

    Inside this domain

    • Adverse Effects/Contraindications/Side Effects/Interactions
    • Blood and Blood Products
    • Central Venous Access Devices
    • Dosage Calculations
    • and 5 more topics

    Watch for Slow it down

    Topics
    9
    Questions est.
    ~8-22
    Study time est.
    22–30 hrs
  7. Domain 07 9-15%

    Reduction of Risk Potential

    Reduction of Risk Potential tests how a registered nurse prevents complications: recognizing abnormal vital signs and lab values, preparing clients for diagnostic tests, monitoring after procedures and surgery, and focused system assessments.

    Inside this domain

    • Changes/Abnormalities in Vital Signs
    • Diagnostic Tests
    • Laboratory Values
    • Potential for Alterations in Body Systems
    • and 4 more topics

    Watch for Most abnormal wins

    Topics
    8
    Questions est.
    ~6-16
    Study time est.
    14–20 hrs
  8. Domain 08 11-17%

    Physiological Adaptation

    Physiological Adaptation covers care of clients with acute, chronic or life-threatening physical conditions: body system alterations, fluid and electrolyte imbalances, hemodynamics, illness management, emergencies, pathophysiology and unexpected responses to therapy.

    Inside this domain

    • Alterations in Body Systems
    • Fluid and Electrolyte Imbalances
    • Hemodynamics
    • Illness Management
    • and 3 more topics

    Watch for Antihistamine first

    Topics
    7
    Questions est.
    ~7-19
    Study time est.
    20–28 hrs

Study the heaviest domains first

Marks follow weight. This order puts the most marks behind you first, across about 120–168 hrs of study.

  1. 1 Management of Care 15-21% · 20–28 hrs
  2. 6 Pharmacological and Parenteral Therapies 13-19% · 22–30 hrs
  3. 8 Physiological Adaptation 11-17% · 20–28 hrs
  4. 2 Safety and Infection Prevention and Control 10-16% · 14–20 hrs
  5. 7 Reduction of Risk Potential 9-15% · 14–20 hrs
  6. 3 Health Promotion and Maintenance 6-12% · 10–14 hrs
  7. 4 Psychosocial Integrity 6-12% · 12–16 hrs
  8. 5 Basic Care and Comfort 6-12% · 8–12 hrs

Try one

Practice questionDomain 1: Management of Care

A registered nurse on a medical unit is working with a licensed practical nurse and an assistive personnel. Which task is appropriate for the registered nurse to assign to the licensed practical nurse?

One trap from every domain

The answer that looks right, and the clue that gives it away.

  • Domain 1

    Stable equals delegable

    Clue The client is newly admitted or newly transferred.

  • Domain 2

    Mask is a mask

    Clue The organism is measles, varicella or tuberculosis.

  • Domain 3

    Call first

    Clue The fundus is boggy and displaced to one side.

  • Domain 4

    Comfort with promises

    Clue The client expresses fear about an outcome.

  • Domain 5

    Cane on the weak side

    Clue The client has one-sided weakness.

  • Domain 6

    Slow it down

    Clue Symptoms start during a transfusion.

  • Domain 7

    Most abnormal wins

    Clue The client's medications or condition are named.

  • Domain 8

    Antihistamine first

    Clue Stridor, wheeze or hypotension after exposure.

Practise what you read

NCLEX-RN domains: common questions

How many domains are in the NCLEX-RN exam?

NCLEX-RN has 8 domains with 82 official topics between them: Management of Care, Safety and Infection Prevention and Control, Health Promotion and Maintenance, Psychosocial Integrity, Basic Care and Comfort, Pharmacological and Parenteral Therapies, Reduction of Risk Potential and Physiological Adaptation.

Which NCLEX-RN domain carries the most weight?

Management of Care is the heaviest at 15-21%, followed by Pharmacological and Parenteral Therapies (13-19%). The lightest is Basic Care and Comfort (6-12%). Weights come from NCSBN's official outline.

What is the NCLEX-RN exam format?

Questions: 85-150 items (computerized adaptive testing; includes 15 unscored pretest items and clinical judgment case studies). Time allowed: 5 hours (including breaks). Passing score: Pass/fail by CAT rules against the RN passing standard (0.00 logits, effective through March 31, 2029); no numeric score is reported.

How long should I study for NCLEX-RN?

Our planning estimate is 120–168 hrs across all domains, split by weight. It is an editorial estimate, not an official figure, so adjust it to your experience and to how you score on practice questions.

Where should I start?

Start with Management of Care, because it carries the most marks, then work down by weight. Use the checklist on each domain page to confirm you can do what the domain asks before moving on.

Which outline is this guide based on?

This guide follows 2026 NCLEX-RN Test Plan (effective April 1, 2026), published by NCSBN. It was last reviewed in October 2026.

Domain names, weights and topics come from NCSBN's official outline (2026 NCLEX-RN Test Plan (effective April 1, 2026)). Question counts and study hours are editorial planning estimates, not official figures. Last reviewed October 2026.