Which oxygen delivery device can deliver 40-60% FIO2 and is from 5-8 L/min?
Nasal cannula
Simple face mask
Aerosol mask
Face tent
The Correct Answer is B
A: A nasal cannula delivers a lower concentration of oxygen, typically between 24-44% FIO2, and is used at flow rates of 1-6 L/min. It is not suitable for delivering 40-60% FIO2.
B: A simple face mask can deliver 40-60% FIO2 at flow rates of 5-8 L/min. It covers the nose and mouth, providing a higher concentration of oxygen compared to a nasal cannula.
C: An aerosol mask is used for delivering humidified oxygen or medications via nebulization. It can deliver varying concentrations of oxygen but is not specifically designed for 40-60% FIO2 at 5-8 L/min.
D: A face tent is used for patients who cannot tolerate a mask, such as those with facial trauma or claustrophobia. It provides humidified oxygen but does not deliver a precise FIO2 concentration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A: Completing proper documentation of the medication error is important but should not be the first action. Immediate assessment of the patient is more critical.
B: Returning to the room to check and assess the patient is the first priority. The nurse needs to determine if the patient has experienced any adverse effects from the medication error and provide appropriate care.
C: Administering the antidote to the patient immediately is only necessary if the medication given has a known antidote and the patient is showing signs of adverse effects. Assessment should come first.
D: Alerting the charge nurse that a medication error has occurred is important for reporting and follow-up but should follow the immediate assessment and care of the patient.
Correct Answer is C
Explanation
A: Petechiae are small red or purple spots on the body, caused by minor bleeding from broken capillary blood vessels. This is an objective finding that can be observed and measured by the nurse.
B: Blood pressure is an objective measurement that can be quantified using a sphygmomanometer. It provides numerical data about the patient’s cardiovascular status.
C: Nausea is a subjective symptom reported by the patient. It reflects the patient’s personal experience and cannot be directly observed or measured by the nurse. Subjective data are crucial for understanding the patient’s perspective and symptoms.
D: Cyanosis is a bluish discoloration of the skin and mucous membranes due to low oxygen levels in the blood. This is an objective finding that can be observed by the nurse.
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