An adult patient gives implied consent to a phlebotomist when which of the following occurs?
When the patient signs a release for their laboratory results.
When the patient signs a document of agreement for a research study.
When the patient offers their arm out to the phlebotomist.
When the patient's family member nods for the phlebotomist to proceed.
The Correct Answer is C
Choice A Reason:
Signing a release for laboratory results is a form of expressed consent, not implied consent. Expressed consent is given explicitly, either orally or in writing, and is clearly and unmistakably communicated.
Choice B Reason:
Similarly, signing a document of agreement for a research study is another example of expressed consent. The patient is actively agreeing to participate in the study, which is a direct and informed action.
Choice C Reason:
Implied consent occurs when a patient's actions suggest consent without verbal or written confirmation. Offering an arm to a phlebotomist is a non-verbal communication that implies the patient is willing to have their blood drawn. This is a common practice in medical settings where the action of presenting an arm indicates readiness for the procedure.
Choice D Reason:
A family member nodding for a phlebotomist to proceed does not constitute the patient's implied consent. Consent must come directly from the patient unless they are unable to provide it, in which case a legal surrogate may give consent on their behalf.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A Reason:
A glucose tolerance test is used to diagnose diabetes by measuring the body's response to glucose over a period of time. It is not used to identify bacteremia, which is the presence of bacteria in the bloodstream.
Choice B Reason:
A peripheral blood smear involves examining a sample of blood under a microscope to look for abnormalities in blood cells. While it can reveal signs of infection, it does not specifically identify bacteremia.
Choice C Reason:
A blood culture is the primary test used to detect bacteremia. It involves taking a sample of blood and incubating it to see if bacteria grow, which would indicate the presence of bacteria in the bloodstream.
Choice D Reason:
Lactic acid levels in the blood are measured to assess the severity of sepsis, a condition that can result from bacteremia. Elevated lactic acid can indicate that tissues are not getting enough oxygen, but the test itself does not identify bacteremia.
Correct Answer is A
Explanation
Choice A reason:
Quality control measurements are essential for ensuring the accuracy and reliability of blood glucose monitors. According to best practices, all blood glucose monitors in use, regardless of their origin, should undergo daily quality control checks. This is to verify that the monitors are functioning correctly and providing accurate readings, which is crucial for patient care and treatment decisions.
Choice B reason:
Focusing only on the blood glucose monitors from the new office for daily quality control measurements is not sufficient. While new equipment may be less likely to have wear-and-tear issues that could affect performance, it is still subject to potential inaccuracies and must be included in the daily quality control routine.
Choice C reason:
Similarly, excluding the new monitors and only checking those from the old medical office would neglect the possibility of inaccuracies in the newer equipment. All monitors, irrespective of their age, can experience calibration drift or other issues that affect their performance.
Choice D reason:
Opting not to perform daily quality control measurements on any of the blood glucose monitors would be against the recommended guidelines and could lead to inaccurate blood glucose readings. This could have serious implications for patient health, particularly in the management of diabetes.
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