SU 2026 | EXAM QUESTIONS
WITH VERIFIED ANSWERS AND
LATEST MOCK PRACTICE SET
199 Questions with Answers and Detailed Rationales
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This comprehensive examination preparation guide has been meticulously developed to help you succeed in the
COMPREHENSIVE FINAL EXAM - SU 2026 | EXAM QUESTIONS WITH VERIFIED ANSWERS AND DETAILED
RATIONALES NURSING REVIEW | GRADED A+ | COMPREHENSIVE COVERAGE OF ALL CORE NURSING
TOPICS. It contains 199 carefully selected questions that reflect the most current exam content and testing
strategies. Each question is accompanied by a correct answer and a detailed rationale that explains the
underlying pathophysiology, pharmacology, or clinical reasoning.
Self-Assessment – Test your knowledge and Exam Preparation – Familiarize yourself with the
identify areas requiring further question format and content
study areas
Concept Reinforcement – Deepen your Confidence Building – Develop test-taking
understanding through strategies and reduce
evidence-based exam anxiety
rationales
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Review Summary 199 Questions
Foundations - Application - Comprehensive SU 2026 WITH AND Detailed Rationales Nursing Review A
Comprehensive Coverage OF ALL CORE Nursing Topics Nursing Comprehensive Review Undergraduate
YEAR 4 / Pre-licensure BSN
All answers with rationales
,Table of Contents
Content Area Questions Key Topics
Finding 1-50 Prescribed, Receiving, Medication, Acute, Immediate
Prescribed 51-100 Finding, Indicates, Appropriate, Kidney, Receiving
Indicates 101-150 Finding, Blood, Laboratory, Appropriate, Prescribed
Receiving 151-199 Finding, Appropriate, Indicates, Intervention, Laboratory
TOTAL 199 All questions include answers and detailed rationales
,Section A - Finding
Q1.
A patient with acute respiratory distress syndrome (ARDS) is on volume-controlled
ventilation. The nurse notes a sudden rise in peak airway pressure, while plateau pressure
remains unchanged. Which condition is most consistent with these findings?
A. Tension pneumothorax B. Mainstem bronchus intubation
C. Endotracheal tube obstruction D. Pulmonary edema
Correct: C - Endotracheal tube obstruction
Rationale:In volume-controlled ventilation, an increase in peak pressure with unchanged
plateau pressure indicates increased airway resistance, not decreased compliance.
Endotracheal tube obstruction, bronchospasm, or biting the tube raise peak pressure.
Pneumothorax and pulmonary edema increase plateau pressure as well. Mainstem intubation
typically increases both peak and plateau pressures.
Q2.
A nurse is assessing a patient who has just received a bolus of intravenous potassium
chloride. Which electrocardiogram change would indicate the most immediate
life-threatening complication?
A. ST-segment depression B. Peaked T waves
C. Prolonged PR interval D. U waves
Correct: B - Peaked T waves
Rationale:Rapid IV potassium administration can cause hyperkalemia. The earliest ECG sign
of hyperkalemia is peaked T waves, which can progress to widened QRS, loss of P waves,
and sine wave pattern leading to cardiac arrest. ST depression, prolonged PR, and U waves
are associated with hypokalemia or other electrolyte imbalances, not acute hyperkalemia.
Q3.
A patient with a history of heart failure is taking digoxin and furosemide. The nurse
reviews a morning laboratory result: potassium 3.1 mEq/L. Which additional finding would
increase the risk of digoxin toxicity?
A. Magnesium 2.0 mEq/L B. Calcium 9.0 mg/dL
C. Potassium 3.1 mEq/L D. Sodium 138 mEq/L
Correct: C - Potassium 3.1 mEq/L
Page 3
, Section A - Finding
Rationale: Hypokalemia (K+ <3.5 mEq/L) potentiates digoxin toxicity by increasing the binding
of digoxin to the Na+/K+-ATPase pump. This patient's potassium of 3.1 mEq/L is critically low,
and the nurse should hold digoxin, notify the provider, and replete potassium. Normal
magnesium, calcium, and sodium do not directly increase digoxin toxicity risk.
Q4.
A nurse is preparing to administer a unit of packed red blood cells. Which action is most
important to prevent a transfusion-associated circulatory overload (TACO)?
A. Administer the transfusion over 4 hours B. Prime the tubing with normal saline
C. Assess the patient's baseline breath D. Transfuse at a slower rate for at-risk
sounds patients
Correct: D - Transfuse at a slower rate for at-risk patients
Rationale:TACO is caused by rapid volume infusion, especially in patients with heart failure
or renal impairment. Slowing the transfusion rate and monitoring for dyspnea, hypertension,
and crackles are key preventive measures. Administering over 4 hours is standard for all
transfusions, but slowing further is needed for at-risk patients. Priming with saline and
baseline assessment are important but do not directly prevent TACO.
Q5.
A patient with type 2 diabetes is started on metformin. Which instruction should the nurse
include to minimize the risk of lactic acidosis?
A. Take the medication with meals to reduce B. Avoid alcohol and report any kidney
gastrointestinal upset dysfunction
C. Expect a weight gain of 2-3 kg initially D. Monitor blood glucose only once daily
Correct: B - Avoid alcohol and report any kidney dysfunction
Rationale:Metformin is contraindicated in renal impairment and should be temporarily
withheld in conditions that predispose to hypoxia, such as sepsis or use of iodinated contrast.
Alcohol increases lactate production. Taking with meals reduces GI upset but does not affect
lactic acidosis risk. Metformin is weight-neutral and does not cause weight gain. Frequent
glucose monitoring is important for all diabetics.
Q6.
Which assessment finding is most indicative of a developing compartment syndrome in a
patient with a fractured tibia?
A. Capillary refill of 3 seconds B. Pain that is out of proportion to the injury
and worsens with passive stretch
Page 4