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week 3 test
concepts 3
| Question | Answer |
|---|---|
| is a problem with oxygen delivery into the blood | Hypoxemia |
| Hypoxia | is a problem with oxygen delivery to or utilization by tissues. |
| Obtaining a Sputum Specimen | Purpose: Diagnose respiratory infections (e.g., TB, pneumonia). Key Steps: Best collected in the morning before eating or brushing teeth. Instruct the patient to cough deeply (not just spit). Use sterile container and proper labeling. |
| Obtaining a Throat Culture Specimen | Purpose: Detect bacterial or viral pathogens (e.g., Streptococcus). Key Steps: Use a sterile swab to touch the tonsillar area and any inflamed spots. Avoid touching lips, tongue, or cheeks. |
| Incentive Spirometry | Prevent atelectasis; improve lung expansion post-op or in immobile patients. Instruct patient to inhale slowly and deeply through the device. Hold breath 2–6 seconds, then exhale normally. Encourage regular use (e.g., 10 times/hour while awake). |
| Supplemental Oxygen | Treat or prevent hypoxemia. Nasal cannula (1–6 L/min) Simple face mask, Venturi mask, non-rebreather mask Use only with a provider’s order. Ensure correct flow rate, humidity if >4 L/min via nasal cannula. Monitor SpO₂, respiratory rate, and LOC |
| Performing Nasopharyngeal and Oropharyngeal Suctioning | Clear secretions from upper airway. Indications: Gurgling, visible secretions, decreased O₂ sats, ineffective cough. Use a sterile catheter and technique. time (<10–15 sec per pass), allow rest between. Pre-oxygenate if needed, monitor bradycardia. |
| Performing Endotracheal and Tracheostomy Suctioning | Remove secretions from artificial airways. Steps: Maintain sterility. Pre-oxygenate, suction during catheter withdrawal only. Use closed or open suction system depending on setting. Risks: Hypoxia, infection, mucosal trauma, arrhythmias. |
| Performing Tracheostomy Care | Purpose: Maintain trach patency, prevent infection. Key Steps: Clean around stoma, change dressing and inner cannula (if reusable). Use aseptic technique. Monitor: Signs of infection, skin breakdown, tube position. |
| Maintaining Chest Tubes | Remove air, fluid, or blood from pleural space. keep system below chest level. Check for tidaling, air leaks (bubbling), and drainage amount. Do not clamp unless ordered. Ensure all connections are secure and dressings are intact. . |