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 A
Explanation
A. When the client voided following catheter removal:
This information is crucial because it indicates the return of the client's ability to urinate after catheter removal. It helps assess urinary function and determines if the client is experiencing any urinary retention issues, which could potentially lead to complications such as urinary tract infections or bladder distention.
B. Color of the urine during catheter removal:
While the color of the urine during catheter removal may provide some insight into the client's urinary condition, it is not as critical as knowing when the client voided after catheter removal to assess urinary function.
C. Time of the last dose of IV antibiotic administration:
While the timing of the last dose of IV antibiotic administration is important for managing the client's urinary tract infection, it is not as immediately relevant as knowing when the client voided after catheter removal to assess urinary function.
D. Intake and output reports for the previous shift:
Intake and output reports are important for assessing fluid balance and renal function, but knowing when the client voided after catheter removal takes precedence as it directly assesses urinary function and the need for further intervention.
Correct Answer is C
Explanation
A. Speak loudly and face the client:
While it's important for the nurse to speak clearly and ensure the client can see their face, speaking loudly may be perceived as patronizing or disrespectful. Many older adults may have normal hearing but prefer clear and normal volume speech.
B. Provide a very well-lit meeting space:
Ensuring adequate lighting is important for facilitating communication, especially for older adults who may have visual impairments. However, it is not as crucial as using understandable language.
C. Use everyday language when explaining issues:
This is the most important action. Using everyday language, free of medical jargon, ensures that the information is easily understood by older adult clients. Complex medical terms and terminology may be confusing or overwhelming for them, so using plain language enhances comprehension and promotes effective learning.
D. Underline key words on the written information:
This can be a helpful strategy for emphasizing important points in written materials, but it is not as critical as using everyday language when explaining concepts orally. Additionally, not all older adults may benefit from written information, as some may have visual impairments or difficulties reading. Therefore, oral communication in understandable language is paramount.
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