A Cardiovascular nurse is preparing to measure a client's level of oxygen saturation and observes edema of both hands and thickened toenails. The nurse should apply the pulse oximeter probe to which of the following locations?
Toe.
Earlobe.
Skin fold.
Finger.
The Correct Answer is B
Choice A rationale:
Applying the pulse oximeter probe to the toe is not the most appropriate location. While toe measurements can be used, the fingers are more commonly used due to their accessibility and accuracy. Edema in the hands could affect the accuracy of readings.
Choice B rationale:
The nurse should apply the pulse oximeter probe to the earlobe. This choice is correct because the earlobe is a well-vascularized and easily accessible area that provides accurate oxygen saturation measurements. Thickened toenails and edema of the hands might compromise readings in those locations.
Choice C rationale:
Applying the pulse oximeter probe to a skin fold is not a recommended site for oxygen saturation measurement. While there are various sites where pulse oximeters can be applied, the earlobe and finger are more suitable due to their consistent blood flow and accessibility.
Choice D rationale:
While applying the pulse oximeter probe to the finger is a common and acceptable practice, in this scenario, edema of the hands could affect the accuracy of the readings. The earlobe is a better choice as it is less likely to be affected by edema and can provide accurate readings.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
Choice A rationale:
Lesion is brown and black in color - This choice does not necessarily indicate malignancy. Skin lesions can be various colors, and color alone is not a definitive indicator of malignancy. Therefore, this choice is not a reliable characteristic for assessing a suspected malignant lesion.
Choice B rationale:
Irregular borders - Irregular or uneven borders are a concerning feature of skin lesions that could suggest malignancy. Malignant lesions, such as melanoma, often have irregular, jagged, or poorly defined borders. This choice is accurate in identifying a potential sign of skin cancer.
Choice C rationale:
Symmetrical halves - Symmetry is generally associated with benign lesions, while malignant lesions often have an asymmetric appearance. A lack of symmetry is considered a characteristic of potential malignancy, making this choice appropriate.
Choice D rationale:
Diameter greater than 6 mm - Lesions with a diameter greater than 6 mm are considered a worrisome characteristic for malignancy. While the size alone is not the sole determinant, larger lesions are more likely to be assessed further for malignancy. This choice accurately identifies a significant feature for evaluation.
Choice E rationale:
Regular borders - Regular, smooth borders are generally associated with benign skin lesions. Malignant lesions tend to have irregular, jagged, or uneven borders. Identifying regular borders as a characteristic of a suspected malignant lesion is inaccurate.
Correct Answer is D
Explanation
Choice D rationale:
This statement by an assistive personnel (AP) indicates a need for further teaching. Hand hygiene is crucial to prevent the transmission of microorganisms, and it involves both handwashing and the appropriate use of gloves. Changing gloves between clients is important to prevent cross-contamination, but it doesn't replace the need for handwashing. Hands can become contaminated even with the use of gloves, and proper hand hygiene should be practiced before and after glove use.
Choice A rationale:
The statement about using alcohol-based hand products after most client contact is accurate. Alcohol-based hand sanitizers are effective in reducing the number of microorganisms on the hands when soap and water are not readily available. They are especially useful in healthcare settings.
Choice B rationale:
Washing hands before providing client care is a fundamental principle of infection control. It helps remove dirt, debris, and transient microorganisms from the hands, reducing the risk of infection transmission.
Choice C rationale:
The statement about not wearing artificial nails when providing client care is correct. Artificial nails can harbor microorganisms and are challenging to clean thoroughly. They pose an infection risk and are generally not recommended for healthcare workers who provide direct patient care.
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