Oxygenation and Perfusion NUR 111 2026 – 120+ NCLEX Questions & Answers – DVT, COPD, Pulmonary Embolism & Heart Failure

This document contains 120+ structured NCLEX-style exam questions and detailed answers for Oxygenation and Perfusion (NUR 111) 2026. It provides comprehensive coverage of cardiovascular and respiratory pathophysiology, nursing assessment findings, priority interventions, laboratory interpretation, oxygen therapy management, and evidence-based care planning. The content is organized in a clear question-and-answer format aligned with the nursing process (assessment, diagnosis, planning, implementation, evaluation) and NCLEX cognitive levels. The material thoroughly reviews perfusion-related concepts including pulse deficits (apical–radial discrepancy), hematocrit interpretation in hypoxia, early signs of myocardial infarction in elderly women, prevention of cardiovascular disease (smoking cessation), excess fluid volume interventions, deep vein thrombosis (DVT) assessment findings, postoperative thrombus risk factors (orthopedic surgery, obesity), anticoagulation priorities (heparin and bleeding risk), and prevention of pulmonary embolism. It also addresses congestive heart failure manifestations such as paroxysmal nocturnal dyspnea and priority nursing diagnoses including impaired gas exchange. Respiratory topics include oxygen delivery systems (nasal cannula for 24% at 2 L/min), laboratory interpretation (low hemoglobin 8.3 as a critical oxygenation concern), COPD pathophysiology, hypoxic drive considerations, bronchodilator therapy, antibiotic indications, dietary management for COPD (high protein, high fat, low carbohydrate), pursed-lip and abdominal breathing techniques, pulmonary embolism assessment priorities, and postoperative DVT prevention strategies using pneumatic compression devices and leg exercises. The document emphasizes clinical reasoning, prioritization, and safety-based decision-making consistent with NCLEX testing standards and foundational nursing coursework. It integrates pathophysiology with bedside nursing interventions to reinforce exam readiness and patient-centered care planning. This resource is particularly suitable for: Practical Nursing (PN/LPN) students Associate Degree in Nursing (ADN) students Bachelor of Science in Nursing (BSN) students NUR 111 students NCLEX-PN candidates NCLEX-RN candidates Foundations and Adult Health nursing students It is relevant for courses such as: NUR 111 Oxygenation and Perfusion Fundamentals of Nursing Adult Health I Medical-Surgical Nursing Pathophysiology for Nurses NCLEX Preparation Keywords: NUR 111 Oxygenation and Perfusion 2026, NCLEX Cardiovascular Questions, Deep Vein Thrombosis DVT Nursing, Pulmonary Embolism Priority Diagnosis, COPD Nursing Interventions, Hypoxic Drive COPD, Pulse Deficit Assessment, Paroxysmal Nocturnal Dyspnea, Heparin Bleeding Risk, Oxygen Delivery Nasal Cannula 24 Percent, Hemoglobin 8.3 Interpretation, Excess Fluid Volume Nursing Care, Pursed Lip Breathing COPD, Orthopedic Surgery DVT Risk, Impaired Gas Exchange Nursing Diagnosis