Wk. 6 - Oxygen Delivery Devices Practice Questions Foreign Language

A nurse is caring for a patient with anemia who has normal oxygen saturation but reports fatigue and confusion. Which condition is most likely present? A. Hypoxemia B. Hypoxia C. Hypercapnia D. Respiratory alkalosis

B

Which conditions are causes of hypoxemia? (Select all that apply) A. Pulmonary embolism B. Anemia C. Pulmonary fibrosis D. Opioid overdose E. High altitude

A,C,D,E

Which statement best differentiates hypoxia from hypoxemia? A. Hypoxia is low oxygen in the blood B. Hypoxemia is low oxygen in tissues C. Hypoxia occurs at the cellular level D. Hypoxemia is diagnosed by lactate levels

C

An adult patient becomes restless and tachypneic. What is the nurse’s priority interpretation A. Late sign of respiratory failure B. Early sign of hypoxia C. Sign of metabolic acidosis D. Expected finding

B

True or False: Bradycardia is always a late sign of hypoxia in all age groups.

False

Which pediatric finding is an early indicator of hypoxia? A. Bradycardia B. Hypotension C. Nasal flaring D. Cyanosis

C

A patient presents with cyanosis and bradycardia. What stage of hypoxia is this? A. Early B. Mild C. Late D. Compensated

C

What is the nurse’s FIRST action for a patient with suspected hypoxia? A. Apply oxygen B. Notify provider C. Perform rapid assessment D. Obtain ABGs

C

Which position best improves oxygenation? A. Supine B. Trendelenburg C. High Fowler’s D. Side-lying

C

What SpO₂ target should the nurse maintain for a patient with COPD? A. 100% B. 95–100% C. 92–96% D. 88–92%

D

                        Which oxygen device delivers the LOWEST oxygen concentration? A. Non-rebreather mask B. Venturi mask C. Nasal cannula D. Simple face mask                          

                        C                          

                        A nasal cannula delivers which FiO₂ range? A. 21–30% B. 24–44% C. 40–60% D. 80–95%                          

                        B                          

                        Which patient is the BEST candidate for a nasal cannula? A. Severe respiratory distress B. Mild hypoxemia C. Need for precise FiO₂ D. CO₂ retention                          

                        B                          

                        What are disadvantages of a nasal cannula? (Select all that apply) A. Variable FiO₂ B. Cannot eat or talk C. Nasal dryness D. Ineffective for mouth breathers E. Requires high flow                          

                        A,C,D                          

                        Why must a simple face mask be set at ≥5 L/min? A. Improve humidity B. Prevent CO₂ rebreathing C. Increase FiO₂ D. Reduce anxiety                          

                        B                          

                        Which oxygen device is MOST appropriate for severe hypoxemia? A. Nasal cannula B. Simple mask C. Non-rebreather mask D. Venturi mask                          

                        C                          

                        What is a priority nursing action when applying a non-rebreather mask? A. Add humidification B. Inflate reservoir bag C. Set flow to 2 L/min D. Remove valves                          

                        B                          

                        True or False: If the reservoir bag collapses on a non-rebreather mask, the patient is receiving adequate oxygen.                          

                        False                          

                        Which oxygen device provides a PRECISE FiO₂? A. Nasal cannula B. Simple mask C. Venturi mask D. Non-rebreather                          

                        C                          

                        Which device is BEST for a COPD patient with CO₂ retention? A. Non-rebreather B. Venturi mask C. Nasal cannula D. Simple mask                          

                        B                          

                        What is a major advantage of high-flow nasal cannula (HFNC)? A. Removes CO₂ mechanically B. Provides exact FiO₂ C. Requires intubation D. Delivers low flow                          

                        B                          

                        Which are benefits of HFNC? (Select all that apply) A. Heated humidification B. Provides PEEP C. Allows eating and talking D. Removes CO₂ like a ventilator E. Meets inspiratory demand                          

                        A,B,C,E                          

                        A patient on oxygen therapy develops a dry cough and chest pain after 48 hours. What is the concern? A. Pneumonia B. Oxygen toxicity C. Atelectasis D. Pulmonary embolism                          

                        B                          

                        What is the BEST way to prevent oxygen toxicity? A. Maintain SpO₂ at 100% B. Use highest FiO₂ possible C. Use lowest effective FiO₂ D. Limit oxygen to 2 L/min                          

                        C                          

                        Which statement describes NIPPV? A. Requires intubation B. Uses invasive ventilation C. Uses a mask to deliver pressure D. Only delivers oxygen                          

                        C                          

                        What is a key advantage of NIPPV? A. Requires sedation B. High infection risk C. Avoids intubation D. Cannot be removed                          

                        C                          

                        Which are contraindications to NIPPV? (Select all that apply) A. Facial trauma B. COPD exacerbation C. Inability to protect airway D. Severe acidosis E. Cooperative patient                          

                        A,C,D                          

                        What is the main function of CPAP? A. Remove CO₂ B. Provide two pressures C. Keep alveoli open D. Force breathing                          

                        C                          

                        Which statement about CPAP is correct? A. IPAP > EPAP B. IPAP < EPAP C. IPAP = EPAP D. No pressure is delivered                          

                        C                          

                        Which condition is BEST treated with CPAP? A. COPD with hypercapnia B. Obstructive sleep apnea C. Severe acidosis D. Cardiac arrest                          

                        B                          

                        What is the main advantage of BiPAP over CPAP? A. Simpler device B. Removes CO₂ more effectively C. Lower oxygen delivery D. No pressure support                          

                        B                          

                        Which patient would benefit MOST from BiPAP? A. Sleep apnea B. COPD with CO₂ retention C. Mild hypoxemia D. Stable patient                          

                        B                          

                        Which assessment finding indicates NIPPV is effective? A. Increased RR B. Decreased SpO₂ C. Improved ABGs D. Increased anxiety                          

                        C                          

                        Which nursing actions prevent complications of NIPPV? (Select all that apply) A. Reposition mask B. Tighten straps excessively C. Assess skin integrity D. Elevate HOB E. Monitor ABGs                          

                        A,C,D,E                          

                        A patient becomes increasingly lethargic on BiPAP. What is the nurse’s priority concern? A. Anxiety B. CO₂ retention C. Oxygen toxicity D. Dehydration                          

                        B