The nurse attaches a pulse oximeter to a client's finger and obtains an oxygen saturation reading of 91%. Which assessment finding most likely contributes to this reading?
Blood pressure is 142/88 mm Hg.
Radial pulse volume is 3+.
2+ edema of fingers and hands.
Capillary refill time is 2 seconds.
The Correct Answer is C
A. Blood pressure is 142/88 mm Hg:
While elevated blood pressure may have implications for cardiovascular health, it is not directly related to oxygen saturation levels measured by a pulse oximeter.
B. Radial pulse volume is 3+:
A strong radial pulse volume suggests adequate peripheral perfusion, which would not typically contribute to a low oxygen saturation reading.
C. 2+ edema of fingers and hands:
Edema of the fingers and hands can impair the transmission of light through tissues, which may interfere with the accuracy of oxygen saturation readings obtained from a pulse oximeter. Edematous tissues may absorb light and lead to falsely low readings.
D. Capillary refill time is 2 seconds:
Normal capillary refill time indicates adequate peripheral circulation, which would not typically contribute to a low oxygen saturation reading.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Correct answer: C
A. Irrigate the nasogastric tube with water:
This option is not the best immediate action when a client is choking after vomiting. While irrigating the nasogastric tube with water may help clear the tube itself, it does not directly address the choking episode or potential airway obstruction. The priority in this situation is to ensure the client's airway is clear and maintain their safety.
B. Perform oropharyngeal suctioning:
While suctioning might be used later to clear the airway of secretions, it's not the first-line intervention when someone is actively choking. Suctioning can stimulate the gag reflex and worsen vomiting..
C. Elevate the head of bed 45 degrees:
The primary concern is preventing aspiration (inhaling vomit) which can lead to serious complications. Elevating the head of the bedhelps keep the head and neck in a position that promotes drainage of fluids and reduces the risk of aspiration.
D. Review the advance directive document:
Reviewing the advance directive document is important for understanding the client's wishes regarding their healthcare decisions, but it is not the appropriate action in the immediate management of a choking episode. Ensuring the client's safety and addressing the choking episode take precedence over reviewing documentation.
Correct Answer is C
Explanation
A. Warn the colleague that copying health information is unlawful:
While informing the colleague about the unlawful nature of copying health information is important, it may not adequately address the potential breach of patient privacy and confidentiality. Additionally, the colleague may be aware of the laws but still engage in inappropriate behavior.
B. Send an email to facility administrators reporting the action:
Reporting the colleague's actions to facility administrators may be necessary, but it may not be the most immediate action to take. Informing the unit charge nurse allows for more immediate intervention and resolution within the unit.
C. Communicate the colleague's activities to the unit charge nurse:
This is the most appropriate action because it informs the person in charge of the unit about the observed behavior, allowing for immediate intervention and potential corrective action. The unit charge nurse can address the situation promptly and ensure that patient privacy and confidentiality are maintained.
D. Dispose the copies and continue with client care assignments:
While disposing of the copies may prevent further unauthorized access to patient information, it does not address the issue of the colleague's inappropriate handling of the records. It's essential to report the incident to the appropriate authority for further investigation and follow-up.
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