A nurse is preparing to measure a post-meal blood glucose level in a patient with diabetes mellitus. What steps should the nurse take?
Prick the central tip of the patient’s finger.
Apply the first drop of blood to the test strip.
Hold the patient’s finger in a dependent position.
Clean the patient’s finger with hexachlorophene.
The Correct Answer is C
A. Prick the central tip of the patient’s finger: The central tip of the finger has more nerve endings, making it more painful. Instead, the side of the fingertip should be used because it has fewer nerve endings and promotes better blood flow.
B. Apply the first drop of blood to the test strip: The first drop of blood may contain interstitial fluid or contaminants (e.g., alcohol residue), leading to inaccurate readings. Instead, the first drop should be wiped away, and the second drop should be used for testing.
C. Hold the patient’s finger in a dependent position: Holding the finger in a dependent position (below heart level) helps increase blood flow to the fingertip, making it easier to obtain an adequate blood sample without excessive squeezing, which could dilute the sample with tissue fluid.
D. Clean the patient’s finger with hexachlorophene: Hexachlorophene is not recommended for skin antisepsis before blood glucose testing. Instead, alcohol wipes or soap and water should be used. The finger should be fully dried before pricking to avoid dilution of the blood sample.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Ulcerative colitis is a chronic inflammatory bowel disease that increases the risk of colorectal cancer. Long-standing ulcerative colitis causes continuous inflammation and damage to the cells of the colon, which can lead to cancer over time.
Choice B rationale
Chronic constipation does not directly increase the risk of colorectal cancer. However, a diet low in fiber and high in fat and red meat, which can contribute to constipation, is associated with an increased risk of colorectal cancer.
Choice C rationale
Biliary colic is a symptom of gallstones and is not a risk factor for colorectal cancer.
Choice D rationale
Duodenal ulcers are a type of peptic ulcer disease and are not a risk factor for colorectal cancer.
Correct Answer is D
Explanation
Choice A rationale
Avoiding sexual activity while the monitor is on is not typically necessary. The Holter monitor is designed to record the heart’s activity during normal daily activities, including physical activity.
Choice B rationale
Removing the electrodes before going to bed is not recommended. The Holter monitor should be worn continuously, including during sleep.
Choice C rationale
It is not okay to bathe with the electrodes on. The Holter monitor and electrodes should not get wet.
Choice D rationale
Keeping a diary of daily activities is recommended. The client should note the times of various activities and symptoms in a diary. This can help the healthcare provider correlate the heart’s activity with the client’s actions and symptoms.
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