Practice with 50 Texas Tech University Health Sciences Center Fundamental Concepts of Nursing exam questions covering mobility, oxygenation, intravenous therapy, fluid and electrolyte balance, perioperative nursing, immobility, safety, infection prevention, communication, and fundamental nursing care. Each question includes the correct answer, detailed explanations, and a summary of the key nursing concept tested to strengthen clinical reasoning, patient safety, and NCLEX-style test-taking skills.