During the preoperative phase, what is the role of the Licensed Practical Nurse (LPN) in obtaining informed consent?
The LPN decides the timing of the informed consent discussion.
The LPN witnesses the client's signature on the consent form.
The LPN provides detailed information about the surgical procedure.
The LPN can sign the consent form on behalf of the patient.
The Correct Answer is B
A. The LPN decides the timing of the informed consent discussion: The surgeon or proceduralist is legally responsible for initiating and timing the discussion regarding surgical risks and benefits. An LPN does not have the independent authority to determine when this legal requirement occurs. The timing is dictated by the surgical schedule and physician availability.
B. The LPN witnesses the client's signature on the consent form: This role confirms that the correct patient voluntarily signed the document while appearing to be of sound mind. The witness does not certify that the patient understands all clinical risks but validates the identity and signature. This is a standard administrative task within the LPN scope.
C. The LPN provides detailed information about the surgical procedure: Explaining the technical complexities, potential complications, and alternative treatments is the exclusive duty of the performing physician. Providing such clinical details exceeds the LPN scope of practice and could lead to legal liability. The LPN only reinforces information already provided by the surgeon.
D. The LPN can sign the consent form on behalf of the patient: Informed consent requires the patient or a legal healthcare proxy to provide authorization for invasive interventions. A nurse cannot legally sign as the patient unless they hold specific legal power of attorney. This action would violate ethical standards and legal mandates regarding patient autonomy.
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Related Questions
Correct Answer is D
Explanation
A. By consulting non-peer-reviewed blogs:These sources often lack rigorous scientific scrutiny and may contain anecdotal evidence or biased information. Relying on unverified online content can lead to the application of unsafe or ineffective nursing interventions. Professional practice must be grounded in validated, peer-reviewed clinical literature.
B. By ignoring patient preferences:Evidence-based practice is a triad that must include clinical expertise, research evidence, and the patient's unique values. Disregarding the patient's perspective violates the holistic nature of nursing care and reduces treatment adherence. Ethical practice requires the integration of individual preferences into the care plan.
C. By replicating outdated practices:Following tradition or "the way it has always been done" without questioning the scientific basis hinders clinical progress. Outdated methods may be less effective or even harmful compared to modern standards. Continuous quality improvement requires abandoning obsolete protocols for newer, proven strategies.
D. By reviewing the latest research and clinical guidelines:Identifying high-level evidence from randomized controlled trials and systematic reviews ensures interventions are scientifically sound. Clinical guidelines from professional organizations provide synthesized data for safe bedside application. This practice promotes the best possible patient outcomes through validated methodology.
Correct Answer is C
Explanation
A. Elevated pH: A high pH (alkalemia) indicates a decrease in hydrogen ion concentration, which is characteristic of alkalosis. Metabolic acidosis is defined by a low arterial pH, typically less than 7.35. The acidic state results from either an accumulation of fixed acids or a loss of base.
B. Elevated PaO2: Partial pressure of arterial oxygen measures the amount of oxygen dissolved in the blood and is a marker of oxygenation. It is not a direct component of the acid-base balance equation. While hypoxia can cause metabolic acidosis (via lactic acid), an elevated PaO2 is not a characteristic finding.
C. Decreased bicarbonate: Bicarbonate (HCO3-) is the primary buffer in the extracellular fluid. In metabolic acidosis, bicarbonate levels drop as it is consumed while neutralizing excess hydrogen ions or because it is lost through the kidneys or GI tract. A value below 22 mEq/L is a hallmark of this condition.
D. Increased PaCO2: An elevated partial pressure of carbon dioxide indicates respiratory acidosis or a compensatory response to metabolic alkalosis. In metabolic acidosis, the body typically tries to compensate by hyperventilating to blow off CO2, which would result in a decreased PaCO2. This is the body's respiratory compensation mechanism.
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