Med surg Exam 3A QUESTIONS WITH 100% VERIFIED ANSWERS

Med surg Exam 3A QUESTIONS WITH 100% VERIFIED ANSWERS What is the primary objective of oxygen therapy? a) To prevent infection b) To treat and prevent hypoxia c) To reduce mucous membrane dryness d) To improve lung ventilation=================Answer: b) To treat and prevent hypoxia Which of the following is not an indication for initiating supplemental oxygen? a) Respiratory disorders b) Cardiac disorders c) Decreased oxygen demand d) Increased oxygen demand=================Answer: c) Decreased oxygen demand What is hypercapnia? a) Increased PaCO2 levels in the blood b) Decreased PaO2 levels in the blood c) Low oxygen saturation d) High oxygen saturation=================Answer: a) Increased PaCO2 levels in the blood Which method is commonly used for noninvasive monitoring of oxygen saturation? a)Arterial blood gas analysis b) Pulse oximetry c) Capnography d) Spirometry=================Answer: b) Pulse oximetry What is the primary concern in delivering oxygen therapy to patients with COPD? ' a) Hypercapnia b) Hypokalemia c) Hypoxemia d) Respiratory alkalosis=================Answer: a) Hypercapnia How does a nasal cannula deliver oxygen? a) Through a face mask b) Through two prongs in the patient's nares c) Through a mouthpiece d) Through a tracheostomy tube=================Answer: b) Through two prongs in the patient's nares Which noninvasive oxygen delivery method provides the highest oxygen concentration? a) Nasal cannula b) Simple mask c) Venturi mask d) High-flow nasal cannula=================Answer: c) Venturi mask What is the primary advantage of high-flow nasal cannula oxygen delivery? a) Mobility b) Comfort c) Precision in oxygen concentration d) Humidification=================Answer: d) Humidification Which condition is not commonly treated with long-term oxygen therapy? a) COPD b) Heart failure c) Pneumonia d) Sleep apnea=================Answer: c) Pneumonia What is the risk associated with delivering oxygen concentrations exceeding 50% over 24-48 hours? a) Hypocapnia b) Oxygen toxicity c) Respiratory alkalosis d) Hypoxemia=================Answer: b) Oxygen toxicity what complication can occur due to high levels of oxygen causing alveolar collapse? a) Pneumothorax b) Hypoxemia c) Hypercapnia d) Absorption atelectasis=================Answer: d) Absorption atelectasis Which equipment in oxygen therapy is particularly prone to causing infection if not maintained properly? a) Nebulizer b) Venturi mask c) Nasal cannula d) Simple mask=================Answer: a) Nebulizer Which invasive oxygen delivery method involves mechanical ventilation? a) Tracheostomy b) Nasotracheal tube c) Endotracheal tube d) Laryngeal mask airway=================Answer: a) Tracheostomy What complication can occur if a tracheostomy tube is removed within 72 hours? a) Decannulation b) Pneumothorax c) Subcutaneous emphysema d) Tracheal stenosis=================Answer: b) Pneumothorax What is the purpose of incentive spirometry? a) To administer medications b) To deliver oxygen c) To encourage lung expansion d) To monitor oxygen saturation=================Answer: b) To encourage lung expansion What is the primary purpose of auscultation of breath sounds during respiratory assessment? a) To measure oxygen saturation b) To identify problems with lung volumes c) To understand normal and abnormal breath sounds d) To visualize the respiratory tract directly=================Answer: c) To understand normal and abnormal breath sounds Which diagnostic study involves the direct visualization of the respiratory tract and can be used to collect tissue specimens? a) Chest x-ray b) Pulmonary function test c) Bronchoscopy d) Thoracentesis=================Answer: c) Bronchoscopy