Exam 2: NSG223/ NSG 223 (Latest 2024/ 2025 Update) Med Surg 2 Exam| Questions and Verified Answers| 100% Correct| Grade A- Herzing
Q: What does hypoventilation and retention of CO2 cause is patients who are hypoxemic?
Answer:
Hydrocarbonate + hypercapnia
Q: What therapy should you ...
Exam 2: NSG2 23/ NSG 2 23 (Latest 202 4/ 2025 Update) Med Surg 2 Exam| Questions and Verified Answers| 100% Correct| Grade A- Herzing Q: What does hypoventilation and retention of CO2 cause is patients who are hypoxemic? Answer: Hydrocarbonate + hypercapnia Q: What therapy should you expect to see a patient with hypoxemia on? Answer: Oxygen therapy FIRST, then oxygen therapy Q: When do you put oxygen on? Answer: When O2 level is 92% and below Q: What can cause pulmonary edema? Answer: Left ventricular failure, acute MI, or chronic HF Q: What are early signs of pulmonary edema? Answer: Early stage is treated with diuretics and reducing preload by placing patients in an upright position with feet & legs dependent Q: How do you you reduce preload in patients with pulmonary edema? Answer: By placing patient upright position with feet & legs dependent Q: What is used to treat pulmonary edema? Answer: Oxygen — to relieve hypoxemia Diuretics — promise excretion of sodium and water, furosemide or another loop diuretic given IV push or as continuous infusion Vasodilators — Iv nitroglycerin or nitroprusside for symptom relief, contraindicated in patients who are hypotensive Q: What teaching is important for patients who are hypoxemic using oxygen therapy? Answer: Deep breathing techniques. Q: For what patients are vasodilators contraindicated for? Answer: Hypotensive Q: Why are vasodilators are used in patients with pulmonary edema? Answer: IV nitroglycerin or nitroprusside for symptom relief Q: Patho phys of respiratory failure Answer: Inadequate gas exchange Q: Hypoxemia patho Answer: Decrease in arterial oxygen tension (PaO2) to less than 60 mmHg. Decrease in arterial O2 saturations Q: What is hypercapnia? Answer: Increase in arterial carbon dioxide tension (PaCO2) to greater than 50 mmHg Increase in arterial O2 Q: What is the cause of hypoxemic respiratory failure Answer: Oxygen failure aka lung failure O2 < 60 mmHg on 60% oxygen
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