What is the desired peripheral capillary oxygen saturation (Spo2) level in the patient with chronic obstructive pulmonary disease?
92% to 95%
85% to 88%
95% to 100%
88% to 92%
The Correct Answer is A
A. This range is generally considered acceptable for most patients with COPD. It provides a balance between ensuring adequate oxygenation while avoiding the risk of oxygen toxicity. Oxygen saturation levels within this range can help alleviate symptoms of hypoxemia without causing hyperoxia.
B. Oxygen saturation levels below 90% can lead to significant hypoxemia and exacerbate respiratory distress in individuals with COPD. Maintaining oxygen saturation levels above 90% is typically recommended to prevent complications associated with hypoxemia.
C. This range is appropriate for some patients but it may not be ideal for all patients with COPD. Oxygen saturation levels at the higher end of this range (e.g., 100%) can increase the risk of oxygen toxicity in patients with COPD who retain carbon dioxide (CO2) due to their chronic respiratory condition.
D. Oxygen saturation levels within this range help to balance the need for oxygen supplementation with the risk of hyperoxia and oxygen toxicity. However, individual patient factors, such as the severity of COPD, baseline oxygen saturation levels, and comorbidities, should be considered when determining the target range for oxygen saturation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
D. Sucralfate should be taken on an empty stomach, typically 1 hour before meals. This timing allows the medication to coat the ulcer site effectively and protect it from the acidic environment of the stomach, which increases after eating.
A. Taking sucralfate with an antacid can interfere with its action. Sucralfate works by forming a protective barrier on the ulcer site, and antacids can prevent sucralfate from binding properly to the ulcer. It's generally recommended to take sucralfate at least 30 minutes before or after antacids.
B. Sucralfate is not taken on an "as needed" basis for pain relief. It is prescribed as a regular, scheduled medication to provide continuous protection of the ulcer site. Pain relief from peptic ulcers comes as the ulcer heals, which sucralfate aids by protecting the mucosal lining.
C. Sucralfate does not need to be stored in the refrigerator. It should be stored at room temperature, away from moisture and heat, according to standard storage guidelines for most medications.
Correct Answer is ["2.5"]
Explanation
Volume= Desired dose/ Available concentration per ml Available concentration per ml= 40mg/ 5ml
Available concentration= 8mg/ml Desired dose= 20mg
Volume= 20mg/ 8mg Volume= 2.5ml
Therefore, the nurse should administer 2.5ml of famotidine.
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