A patient asks why the blood glucose meter directions state to wipe away the first drop of blood. The most informative response by the nurse would be:
“The first drop has serous fluid that can dilute the specimen.”
“The first drop is usually contaminated.”
“This eliminates microorganisms from the sample.”
“The first drop is usually too small.”
The Correct Answer is A
A. "The first drop has serous fluid that can dilute the specimen." The first drop of blood may be mixed with serous fluid or tissue fluid, which can lead to inaccurate glucose readings.
B. "The first drop is usually contaminated.": This is inaccurate; contamination is not the primary concern.
C. "This eliminates microorganisms from the sample.": Blood glucose meters are not designed to detect or be affected by microorganisms.
D. "The first drop is usually too small.": The amount of blood is not the issue; it is the potential for dilution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. "A catheter is inserted into a vein or artery and is threaded into the heart." This accurately describes the procedure, which involves threading a catheter to evaluate heart function and diagnose conditions.
B. "No consent is needed for the procedure.": Cardiac catheterization is an invasive procedure, and informed consent is always required.
C. "The patient may go home 1 hour after the procedure.": Patients are usually observed for several hours to ensure there are no complications.
D. "Nothing by mouth should be administered for at least 12 hours prior to the procedure.": NPO status is generally 6–8 hours before the procedure, not 12 hours.
Correct Answer is A
Explanation
- Medicaid: Medicaid is a state and federally funded program that provides health care coverage to low-income individuals and families.
- Medicare: Medicare is for individuals aged 65 or older and those with specific disabilities, not income-based.
- Social Security: Social Security provides financial support, not direct medical care.
- Private Insurance: Private insurance is not state-funded and typically requires personal payment or employment benefits.
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