A nurse is caring for a client who has dyspnea with an oxygen saturation of 88%. Which of the following indicates the type of face mask the nurse should use to deliver the client a 90% oxygen concentration?
Simple face mask
Nasal prongs
Non-rebreather mask
Nasal cannula
The Correct Answer is C
A. Simple face mask: This can deliver oxygen at flow rates of 5-10 liters per minute and typically provides an oxygen concentration of about 35-50%.
B. Nasal prongs: Nasal prongs deliver oxygen at lower flow rates and may not be sufficient to raise the client's oxygen saturation to 90%.
C. Non-rebreather mask: This mask can deliver high concentrations of oxygen (up to 90-100%) at flow rates of 10-15 liters per minute. It has one-way valves to prevent the patient from rebreathing exhaled air, thus maximizing the delivery of oxygen.
D. Nasal cannula: Nasal cannulas deliver oxygen at lower flow rates (typically up to 6 liters per minute) and may not provide the necessary concentration to achieve an oxygen saturation of 90%.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Confidential health information should not be disclosed to family members without the
client's consent unless there is a legal or ethical obligation to do so, such as in cases of imminent harm or emergency situations.
B. Health information should not be disclosed to an employer without the client's consent unless required by law or for specific occupational health purposes.
C. Health information should not be disclosed to an insurance agency without the client's consent unless required by law or for specific insurance-related purposes.
D. Health information may be disclosed to a medical interpreter service as necessary to facilitate communication between the client and healthcare providers. However, the interpreter should be informed of confidentiality obligations.
Correct Answer is ["B","C","D"]
Explanation
A. A temperature of 37.5° C (99.5° F) is slightly elevated but can be expected postoperatively and does not typically require immediate intervention.
B. The client being difficult to arouse is concerning following opioid administration, as it may indicate over-sedation or the onset of respiratory depression. This requires immediate nursing action.
C. A respiratory rate of 10/min is low and can be a sign of opioid-induced respiratory depression, especially when combined with difficulty arousing the client. This is a critical value that
necessitates prompt nursing assessment and intervention.
D. Pulse oximetry of 88% on room air is below the normal range and indicates hypoxemia. This is a serious finding that requires immediate action to improve the client's oxygenation.
E. Pupils that are 3 mm, equal, and reactive to light, along with a blood pressure of 99/46 mm Hg, while on the lower side, are not as immediately concerning as the respiratory rate and level of consciousness.
F. A heart rate of 61/min is within normal limits and does not typically require intervention unless there are other signs of hemodynamic instability.
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