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Reduction of Risk Potential Practice Test

These 25 questions test your ability to anticipate and prevent complications before they happen — monitoring lab values, recognising early warning signs, managing diagnostic procedures, and taking the right action at the right time. Clinical judgment, not just knowledge.

9–15%
Fourth largest category of the NCLEX-RN exam
25 questions ~15 minutes Instant scoring No signup needed

Reduction of Risk Potential Quiz

Practice NCLEX Reduction of Risk Potential questions on lab values, complications, procedures, and patient monitoring. Free quiz with answers and rationales.

25 questions | 90 minutes | 70% to pass

Question 1: A patient has the following lab results: potassium 6.2 mEq/L. The nurse should FIRST:

  1. Encourage the patient to eat a banana to balance electrolytes
  2. Recheck the level in 24 hours since it is only slightly elevated
  3. Administer an oral potassium supplement
  4. Obtain a stat ECG and notify the provider immediately

Answer: D — Potassium of 6.2 (normal 3.5-5.0) is dangerously elevated and can cause fatal cardiac arrhythmias. The priority is an ECG to assess for peaked T waves and cardiac conduction changes, then notify the provider. Expect orders for IV calcium gluconate, insulin with glucose, or kayexalate.

Question 2: A patient INR is 1.0 while on warfarin therapy. The nurse understands this means:

  1. The warfarin is subtherapeutic and not providing adequate anticoagulation
  2. The patient is at high risk for bleeding and the dose should be reduced
  3. The lab result is invalid and should be repeated
  4. The warfarin is at a therapeutic level and working effectively

Answer: A — Therapeutic INR for warfarin is 2.0 to 3.0 (2.5-3.5 for mechanical heart valves). An INR of 1.0 is essentially the same as a patient not on anticoagulation - the warfarin is not providing therapeutic effect. Notify the provider for a possible dose adjustment.

Question 3: A patient BNP (B-type natriuretic peptide) level is 920 pg/mL. The nurse interprets this as:

  1. Strong evidence of heart failure with significant ventricular wall stress
  2. A normal finding requiring no intervention
  3. An indicator of renal failure unrelated to cardiac function
  4. A sign of dehydration requiring IV fluid bolus

Answer: A — BNP above 100 pg/mL suggests heart failure; above 400 strongly confirms it. A level of 920 indicates significant ventricular volume overload and stretching. The nurse should assess for heart failure symptoms: dyspnea, edema, weight gain, crackles, and jugular vein distention.

Question 4: A patient ABG results show: pH 7.28, PaCO2 55 mmHg, HCO3 24 mEq/L. The nurse identifies this as:

  1. Metabolic acidosis
  2. Respiratory alkalosis
  3. Metabolic alkalosis
  4. Respiratory acidosis

Answer: D — pH 7.28 is acidotic (below 7.35). PaCO2 55 is elevated (above 45) causing the acidosis. HCO3 24 is normal (22-26) meaning no renal compensation yet. This is uncompensated respiratory acidosis, often caused by COPD exacerbation, respiratory depression, or airway obstruction.

Question 5: A patient has a hemoglobin of 6.8 g/dL and reports dizziness and shortness of breath. The nurse should:

  1. Schedule a follow-up appointment for next week
  2. Administer supplemental oxygen and discharge the patient home
  3. Encourage increased oral fluid intake and iron-rich foods
  4. Notify the provider immediately and anticipate a blood transfusion order

Answer: D — Hemoglobin of 6.8 (normal 12-16 female, 14-18 male) is critically low and the patient is symptomatic (dizziness, dyspnea indicate tissue hypoxia). This typically requires blood transfusion. Notify the provider, obtain type and crossmatch, and prepare for transfusion per protocol.

Question 6: A patient scheduled for a colonoscopy asks why they must complete the bowel preparation. The BEST explanation is:

  1. The preparation kills bacteria in the colon to prevent infection during the procedure
  2. It is just hospital protocol and does not affect the procedure results
  3. A clean colon allows the physician to clearly visualize the entire intestinal lining and identify any abnormalities
  4. The prep medication helps detect polyps by making them more visible on X-ray

Answer: C — Bowel preparation (laxatives and clear liquids) clears stool from the colon so the physician can directly visualize the entire mucosal surface. Residual stool obscures polyps, tumors, and lesions, potentially causing missed diagnoses. Complete preparation is essential for an accurate examination.

Question 7: A patient is NPO after midnight for surgery scheduled at 0800. At 0600, the patient asks for a glass of water. The nurse should:

  1. Allow water but not food since water is quickly absorbed
  2. Give the patient ice chips since they are not technically a liquid
  3. Explain that NPO means nothing by mouth including water and that consuming anything could cause aspiration during anesthesia
  4. Allow a small sip since the surgery is still 2 hours away

Answer: C — NPO restrictions prevent aspiration during anesthesia. Stomach contents (including water) can be regurgitated and inhaled into the lungs while the patient protective reflexes are suppressed. Even small amounts of fluid can increase aspiration risk. The nurse must reinforce the NPO order.

Question 8: A patient returns from cardiac catheterization with a femoral artery access site. The PRIORITY nursing assessment is:

  1. Taking a routine blood pressure in both arms
  2. Assessing the access site for bleeding, hematoma, and distal pulses (pedal pulse, skin color, temperature, and sensation in the affected leg)
  3. Checking the patient appetite and food preferences
  4. Encouraging the patient to ambulate immediately to prevent DVT

Answer: B — Post-cardiac catheterization with femoral access requires frequent neurovascular checks: assess the puncture site for bleeding or hematoma, check pedal pulses, skin color, temperature, and sensation distal to the site. Keep the affected leg straight and the patient on bed rest as ordered.

Question 9: A patient is 4 hours post-thyroidectomy. Which assessment finding requires IMMEDIATE notification of the provider?

  1. A hoarse voice that is slightly weaker than before surgery
  2. Mild sore throat and difficulty swallowing saliva
  3. Increasing neck swelling with stridor and respiratory distress
  4. Incisional pain rated 3 out of 10 managed with prescribed analgesics

Answer: C — Increasing neck swelling with stridor after thyroidectomy suggests hemorrhage compressing the trachea - a life-threatening airway emergency. The nurse should notify the provider immediately, keep a tracheostomy tray and suture removal kit at the bedside, and prepare for possible emergency surgical re-exploration.

Question 10: A nurse is preparing a patient for a lumbar puncture. The CORRECT patient position is:

  1. Supine with arms at the sides
  2. High Fowler sitting upright with legs dangling
  3. Lateral recumbent with knees drawn to the chest and chin tucked
  4. Prone with a pillow under the abdomen

Answer: C — The lateral recumbent (fetal) position with knees drawn up and chin tucked maximally opens the intervertebral spaces in the lumbar spine for needle insertion. After the procedure, the patient typically lies flat for several hours to reduce the risk of a post-procedural spinal headache.

Question 11: A patient is 24 hours post-abdominal surgery. The nurse notes the absence of bowel sounds in all four quadrants. This finding:

  1. Is an expected finding in the early post-operative period due to temporary ileus from anesthesia and bowel manipulation
  2. Requires immediate surgical intervention for bowel obstruction
  3. Requires nothing since bowel sounds are not clinically relevant after surgery
  4. Indicates the patient is ready to resume a regular diet

Answer: A — Absent or hypoactive bowel sounds for 24 to 72 hours after abdominal surgery is expected due to paralytic ileus from anesthesia and surgical bowel handling. The nurse should continue to assess, maintain NPO or advance diet as ordered, and report if ileus persists beyond 72 hours.

Question 12: A post-operative patient reports sudden sharp chest pain and dyspnea on post-operative day 3. The nurse should suspect:

  1. Pulmonary embolism and notify the provider immediately
  2. Gastroesophageal reflux from resuming oral intake
  3. Anxiety related to the hospital environment
  4. Incisional pain from coughing and deep breathing exercises

Answer: A — Sudden chest pain with dyspnea on post-op day 2 to 5 is a classic presentation of pulmonary embolism - a life-threatening complication of surgical immobility. Risk factors include surgery, immobility, and hypercoagulable state. Notify the provider, obtain SpO2, and anticipate CT angiography and anticoagulation.

Question 13: A nurse assesses a post-operative patient and finds the abdominal wound edges have separated with visible intestines protruding. This is called:

  1. Dehiscence
  2. Evisceration
  3. Hemorrhage
  4. Infection

Answer: B — Evisceration is the protrusion of internal organs (usually intestines) through an open surgical wound - a surgical emergency. The nurse should cover the wound with sterile saline-soaked dressings, position the patient supine with knees bent (reduces abdominal tension), keep NPO, and notify the surgeon immediately.

Question 14: A patient develops sudden calf pain, warmth, redness, and swelling on post-operative day 4. The nurse should:

  1. Massage the calf to relieve the pain and improve circulation
  2. Encourage the patient to perform vigorous ankle pumps to resolve the clot
  3. Avoid massaging, elevate the extremity, and notify the provider immediately for suspected DVT
  4. Apply ice and have the patient ambulate to work out the cramp

Answer: C — Calf pain, warmth, redness, and unilateral swelling strongly suggest deep vein thrombosis (DVT). NEVER massage - this can dislodge the clot causing a pulmonary embolism. Notify the provider, elevate the limb, maintain bed rest, and anticipate diagnostic ultrasound and anticoagulation therapy.

Question 15: A patient on a ventilator develops sudden high-pressure alarms. The nurse should FIRST:

  1. Disconnect the patient from the ventilator permanently
  2. Silence the alarm and continue monitoring
  3. Assess the patient and check for kinks in the tubing, mucus plugging, or biting on the endotracheal tube
  4. Increase the ventilator pressure settings to compensate

Answer: C — High-pressure ventilator alarms indicate increased airway resistance or decreased compliance. Common causes: kinked tubing, mucus plug, patient biting the ET tube, bronchospasm, pneumothorax, or patient fighting the ventilator. Assess the patient first, then troubleshoot the equipment systematically.

Question 16: A nurse observes bloody drainage in a patient chest tube collection chamber. The amount has been 250 mL over the past hour. This finding:

  1. Should be reported to the provider immediately as output exceeding 200 mL/hour may indicate hemorrhage
  2. Requires no action unless the drainage exceeds 1000 mL per hour
  3. Is normal and expected after chest tube insertion
  4. Is caused by the chest tube malfunctioning and should be clamped

Answer: A — Chest tube drainage exceeding 200 mL/hour (or 100 mL/hour for 3 consecutive hours in some protocols) is concerning for active hemorrhage and must be reported immediately. The provider may need to return the patient to surgery. Never clamp a chest tube without a specific provider order.

Question 17: A patient has a nasogastric (NG) tube connected to low intermittent suction. Before administering medications through the tube, the nurse should:

  1. Verify tube placement by checking pH of aspirate and auscultating air insertion, then flush with 30 mL of water
  2. Administer medications without checking placement since the tube was verified at insertion
  3. Remove the NG tube before medication administration and reinsert it afterward
  4. Clamp the tube for 4 hours before giving any medication

Answer: A — NG tube placement must be verified before EVERY use (medications, feedings, or flushing). Check gastric aspirate pH (should be acidic, below 5.5) and auscultate over the stomach during air injection. Flush with water before and after medications to prevent clogging and ensure delivery.

Question 18: A nurse is caring for a patient with a urinary catheter. Which finding indicates a catheter-associated urinary tract infection (CAUTI)?

  1. The patient reports no discomfort with the catheter in place
  2. Clear pale yellow urine with no odor
  3. Urine output of 60 mL per hour
  4. Cloudy foul-smelling urine with fever and suprapubic tenderness

Answer: D — Cloudy, foul-smelling urine combined with fever and suprapubic tenderness are classic signs of CAUTI. Report to the provider, obtain a urine culture before antibiotics are started, and evaluate whether the catheter is still medically necessary - early removal reduces infection risk.

Question 19: A nurse notes that a patient central line dressing is damp and partially lifted at the edges. The CORRECT action is:

  1. Reinforce the existing dressing with additional tape
  2. Perform a complete sterile dressing change immediately per facility protocol
  3. Leave it alone since the dressing is not due for routine change until tomorrow
  4. Cover it with a non-sterile bandage temporarily

Answer: B — A damp, loose, or compromised central line dressing breaks the sterile barrier and significantly increases the risk of central line-associated bloodstream infection (CLABSI). The nurse must perform an immediate sterile dressing change following facility protocol - never simply reinforce a compromised dressing.

Question 20: A patient with a chest tube has continuous bubbling in the water-seal chamber. The nurse should:

  1. Increase the suction to stop the bubbling
  2. Clamp the chest tube immediately to prevent air from entering
  3. Assess for an air leak by systematically checking all connections from the patient to the drainage system
  4. Recognize this as normal chest tube functioning

Answer: C — Continuous bubbling in the water-seal chamber indicates an air leak. Intermittent bubbling with respirations may be normal (especially with a pneumothorax), but continuous bubbling suggests a system leak. Systematically check connections from the insertion site outward. Never clamp a chest tube without orders.

Question 21: A patient blood pressure is 82/54 mmHg with a heart rate of 118 bpm. The patient is confused and has cool, clammy skin. The nurse should:

  1. Administer an antihypertensive medication as ordered
  2. Recognize these as signs of shock, place the patient flat with legs elevated, and notify the provider immediately
  3. Encourage the patient to drink fluids and sit upright
  4. Recheck the blood pressure in 30 minutes to see if it improves

Answer: B — Hypotension (82/54), tachycardia (118), confusion, and cool clammy skin are classic signs of shock (hypovolemic, cardiogenic, or septic). This is a medical emergency. Position flat, elevate legs (unless contraindicated), start or increase IV fluids, notify the provider, and prepare for rapid intervention.

Question 22: A nurse is performing a neurological assessment on a patient after a head injury. The patient was previously alert but now only opens eyes to pain and makes incomprehensible sounds. This represents:

  1. The patient is simply sleeping and should not be disturbed
  2. Significant neurological deterioration requiring immediate provider notification
  3. A normal fluctuation in level of consciousness
  4. Expected improvement in neurological status

Answer: B — Declining level of consciousness (from alert to responding only to pain with incomprehensible sounds) after a head injury indicates worsening neurological status, possibly from increasing intracranial pressure or expanding intracranial hemorrhage. This is a neurosurgical emergency requiring immediate provider notification and intervention.

Question 23: A patient who had a left-sided stroke is eating lunch. The nurse notices food pooling in the left cheek. The BEST nursing action is:

  1. Switch to a liquid-only diet to prevent food pocketing
  2. Encourage the patient to chew faster to clear the food
  3. Suction the patient mouth between each bite
  4. Remind the patient to check the affected side of the mouth for pocketed food after each bite

Answer: D — Stroke patients with facial weakness on the affected side cannot feel food collecting in the weak cheek. Teaching the patient to sweep the affected cheek with their tongue or finger after each bite prevents aspiration of pocketed food. This is a simple but critical safety intervention.

Question 24: A nurse is monitoring a patient receiving a blood transfusion. Fifteen minutes into the infusion, the patient develops fever, chills, flank pain, and dark urine. The FIRST action is:

  1. Increase the IV rate to dilute the blood product
  2. Stop the transfusion immediately and keep the IV line open with normal saline
  3. Continue the transfusion and notify the provider at the end
  4. Slow the transfusion rate and administer acetaminophen

Answer: B — Fever, chills, flank pain, and dark urine within minutes of starting a transfusion indicate an acute hemolytic reaction - the most serious transfusion reaction. Stop the transfusion immediately, maintain IV access with NS, notify the provider and blood bank, and send blood samples for analysis.

Question 25: A patient with a wound vacuum (negative pressure wound therapy) has an alarm indicating a loss of seal. The nurse should:

  1. Ignore the alarm since wound VACs frequently have false alarms
  2. Turn off the device and wait for the wound care nurse tomorrow
  3. Remove the entire wound VAC system and apply a standard gauze dressing
  4. Assess the dressing for leaks, smooth wrinkles, and reseal the edges to restore negative pressure

Answer: D — Loss of seal means the wound VAC cannot maintain therapeutic negative pressure, which is essential for promoting wound healing by removing exudate, reducing edema, and increasing blood flow. The nurse should inspect all dressing edges for leaks, smooth any wrinkles, and reseal with additional drape to restore suction.

What your score means

85% or above — Strong risk-reduction instincts

You’re anticipating complications before they occur and selecting appropriate preventive actions — exactly what this category tests. Review any missed questions and move on to drilling weaker areas.

70–84% — Close, but refine your monitoring knowledge.

You’re likely losing points on post-procedure monitoring, lab value interpretation, or pre/post-operative nursing priorities. Use the decision-tree and monitoring reference below to sharpen those specific areas.

Below 70% — Focus here before your exam.

Reduction of Risk is 9–15% of the exam and demands proactive clinical thinking. Work through every cheat sheet section below, then revisit our NCLEX-RN Study Guide before retaking.

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What’s covered in Reduction of Risk Potential

This category tests proactive nursing: anticipating what can go wrong, monitoring for early warning signs, and intervening before complications develop. Questions give you a patient with a condition, procedure, or set of findings — and test whether you take the right preventive or monitoring action.

Lab Values & Diagnostic Tests

Interpreting critical lab values, knowing when to notify a provider, and understanding what abnormal results mean clinically.

~6 questions

Pre- & Post-Procedure Care

Nursing responsibilities before and after invasive procedures: consent, NPO, positioning, monitoring for complications, discharge education.

~6 questions

Potential Complications

Recognising early signs of post-op complications, respiratory failure, wound dehiscence, DVT, bleeding, and other preventable adverse events.

~6 questions

Therapeutic Procedures

Monitoring patients during and after chest tubes, nasogastric tubes, urinary catheters, central lines, wound drains, and other therapeutic devices.

~4 questions

Vital Signs & System Assessment

When to report vital sign changes, neurological checks, respiratory assessment, wound assessment, and when a finding is an emergency vs. expected.

~3 questions

All NCLEX-RN practice topics

Scored well here? Keep the momentum going. Each topic has 25 focused questions with full rationales.

Safe & Effective Care
25 questions — 21–33%
Pharmacology & Parenteral
25 questions — 12–18%
Physiological Adaptation
25 questions — 11–17%
You are here
Reduction of Risk Potential
25 questions — 9–15%
Health Promotion & Maintenance
25 questions — 6–12%
Psychosocial Integrity
25 questions — 6–12%
Mental Health Nursing
25 questions
Maternal & Newborn
25 questions
Pediatric Nursing
25 questions
Lab Values & Diagnostics
25 questions
Full 75-Question Test
All categories · Exam conditions

How to master Reduction of Risk Potential

Think “what could go wrong next?” for every patient scenario

This category is about prevention and early detection, not treatment. When you read a question, ask yourself: what is this patient at risk for? What finding would tell me they’re developing a complication? What should I be monitoring and how often? Training yourself to think preventively — rather than reactively — is the single biggest shift that improves scores on this category.

Learn post-procedure monitoring by procedure type

For every common invasive procedure, know: what position is required, what complications to monitor for, what the first sign of each complication looks like, and what to do immediately when you see it. The procedures that appear most often are cardiac catheterisation, lumbar puncture, thoracentesis, paracentesis, bronchoscopy, bone marrow biopsy, and liver biopsy. Build a one-line summary for each.

Know critical lab values and their clinical implications

Memorise which lab values require immediate notification of the provider: potassium <2.5 or >6.5, sodium <120 or >160, glucose <40 or >500, platelets <50,000, INR >4.0, hemoglobin <7, pH <7.20 or >7.60. For each, know what clinical finding to correlate with the lab value and what your first action is.

Master pre-operative nursing priorities

Pre-op questions appear frequently and follow predictable patterns: NPO status, consent verification, allergy documentation, baseline vital signs, removing jewellery/prosthetics, voiding, skin prep, and verifying the surgical site. Know also what the nurse should do if a pre-op finding is abnormal — for example, an elevated BP or a newly reported allergy — which is almost always to notify the provider and hold the procedure.

Retake until you score 85%+ consistently

Because Reduction of Risk questions are highly procedural and fact-based, they respond very well to targeted review. Each wrong answer tells you exactly which procedure or monitoring parameter to study. One focused session per failed question cluster is usually enough to push you above 85%.

Quick Reference Cheat Sheets

The “If you see this → do this” format mirrors exactly how the NCLEX presents these questions. Scan the trigger column, commit the action to memory.

Post-Procedure Monitoring — If You See X, Do Y
Cardiac Catheterisation
Bleeding/haematoma at insertion site
→
Apply firm pressure, notify provider; check distal pulses
Absent or diminished pulse distal to site
→
Notify provider immediately — arterial occlusion/thrombosis
Patient complains of chest pain post-procedure
→
12-lead ECG, O₂, notify provider stat — possible coronary spasm/re-occlusion
Patient needs to void but must remain flat
→
Offer bedpan; encourage voiding — contrast dye is nephrotoxic, must flush kidneys
Lumbar Puncture
Severe headache after procedure
→
Keep flat (supine) for 4–8 hrs; encourage fluids; notify provider — post-LP headache from CSF leak
Numbness/tingling in lower extremities
→
Notify provider immediately — possible nerve compression or haematoma
CSF is cloudy or yellow (xanthochromic)
→
Label and send specimen immediately; prepare for isolation if meningitis suspected
Pre-procedure: papilledema noted on exam
→
Hold procedure, notify provider — increased ICP is a contraindication for LP (herniation risk)
Thoracentesis
Sudden dyspnoea or decreased breath sounds after
→
Pneumothorax — O₂, notify provider stat; prepare for chest tube
Patient coughs excessively during procedure
→
Stop procedure; instruct patient to avoid coughing to prevent lung puncture
Correct patient position for procedure
→
Sitting upright, leaning forward on overbed table — widens intercostal spaces
Hypotension, diaphoresis, pallor post-procedure
→
Vasovagal response — supine position, IV fluids, monitor vitals, notify provider
Liver Biopsy
Post-procedure position required
→
Right lateral (right side-lying) position — applies pressure to biopsy site to prevent bleeding
Right shoulder pain after procedure
→
Notify provider — referred pain indicating possible diaphragm irritation or bleeding
Increasing BP, decreasing HR post-biopsy
→
Monitor closely — not normal; sudden haemodynamic change may indicate haemorrhage
Pre-procedure: INR is elevated
→
Hold procedure, notify provider — coagulopathy increases bleeding risk; correct first
Critical Lab Values — When to Notify the Provider
Electrolytes
Notify provider if outside critical range
Potassium (K⁺)Critical: <2.5 or >6.5 mEq/L
Sodium (Na⁺)Critical: <120 or >160 mEq/L
Calcium (Ca²⁺)Critical: <6 or >13 mg/dL
Magnesium (Mg²⁺)Critical: <1.0 or >4.9 mEq/L
Glucose (fasting)Critical: <40 or >500 mg/dL
Haematology
Critical values requiring intervention
HaemoglobinCritical: <7 g/dL
HaematocritCritical: <21% or >65%
PlateletsCritical: <50,000/µL
WBCCritical: <2,000 or >30,000
INR (therapeutic)Hold warfarin if >3.0–4.0
Arterial Blood Gases
Normal ranges & critical values
pHNormal: 7.35–7.45 · Critical: <7.20 or >7.60
PaCO₂Normal: 35–45 mmHg · Critical: >70
HCO₃Normal: 22–26 mEq/L
PaO₂Normal: 80–100 · Critical: <60 mmHg
SpO₂Notify if <90% · COPD target: 88–92%
Renal & Cardiac
Monitoring parameters & thresholds
CreatinineNormal: 0.6–1.2 · Critical: >10 mg/dL
BUNNormal: 10–20 · Notify if >100 mg/dL
Urine outputNotify if <30 mL/hr for 2+ hours
Digoxin levelTherapeutic: 0.5–2.0 ng/mL
TroponinAny elevation = notify provider (MI marker)
Pre-operative & Post-operative Nursing Priorities
Pre-operative Checklist
Verify informed consent is signed and in chart — if not, notify surgeon before proceeding
Confirm NPO status — typically nothing after midnight (solids 6–8 hrs, clear liquids 2 hrs)
Document allergies and last medication administration
Remove: jewellery, nail polish, dentures, contacts, prosthetics, hearing aids
Establish baseline vital signs — document and report abnormals to surgeon
Have patient void before premedication is given
Verify surgical site marking and time-out compliance
Hold: antihypertensives, anticoagulants, hypoglycemics, and NSAIDs unless ordered otherwise
Post-operative Priorities
Airway first — assess respiratory rate, depth, SpO₂, and airway patency on arrival to PACU
Monitor for respiratory depression from anaesthesia or opioids — have naloxone available
Assess surgical site: REEDA (Redness, Edema, Ecchymosis, Discharge, Approximation)
Monitor vital signs per protocol — tachycardia + hypotension = haemorrhage until proven otherwise
Assess level of consciousness — delayed awakening may indicate anaesthetic complication
Early ambulation to prevent DVT, ileus, and pneumonia — assist on first time up
Monitor urine output — <30 mL/hr signals possible hypovolaemia or renal compromise
Report immediately: bright red drainage, temperature >38.5°C, absent bowel sounds >72 hrs
Full test
Take the Full 75-Question NCLEX-RN Practice Test
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Frequently asked questions

How much of the NCLEX-RN is Reduction of Risk Potential?
Reduction of Risk Potential accounts for 9–15% of the NCLEX-RN. With a minimum 75-question exam, expect roughly 7–11 questions. While smaller than the top three categories, this section heavily rewards students who understand procedural monitoring and proactive clinical thinking.
What types of questions appear most often in this category?
Three types dominate: post-procedure monitoring questions (what to watch for after a specific procedure), critical lab value questions (which result requires immediate action and what that action is), and pre/post-operative care questions (what the nurse must do before or after surgery). Nearly all are scenario-based — you’re given a patient situation and must identify the priority nursing action.
What’s the highest-yield procedure to know for the NCLEX-RN?
Cardiac catheterisation and liver biopsy appear most frequently. For cardiac cath: know the post-procedure position (flat for 4–6 hours after femoral approach), the need for hourly distal pulse checks, bleeding precautions, and contrast dye nephrotoxicity. For liver biopsy: right lateral position post-procedure, right shoulder pain as a complication sign, and coagulopathy as a contraindication.
When does an abnormal lab value require immediate provider notification?
Critical values that always require immediate notification: K⁺ <2.5 or >6.5 mEq/L, Na⁺ <120 or >160 mEq/L, glucose <40 or >500 mg/dL, platelets <50,000, Hgb <7 g/dL, pH <7.20 or >7.60, PaO₂ <60 mmHg, INR >4.0, and any elevated troponin. The NCLEX tests both the value and what you do with it.
What’s the difference between Reduction of Risk and Physiological Adaptation questions?
Physiological Adaptation tests your ability to manage an existing condition that has already developed. Reduction of Risk tests your ability to prevent complications or catch them at the earliest possible point. In practice: if the patient is already in crisis, it’s Physiological Adaptation. If you’re monitoring for something that hasn’t happened yet or intervening at the first warning sign, it’s Reduction of Risk.
Can I take this quiz more than once?
Yes, unlimited retakes with no signup required. For Reduction of Risk specifically, retake after reviewing the decision-tree panels for any procedure where you lost points. This category responds exceptionally well to targeted procedural review because the questions are highly predictable in structure.

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Post-procedure monitoring triggers, critical lab value thresholds, pre/post-op checklists, and the “If you see X → do Y” quick-reference — all on one printable page.

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