The nurse is caring for a patient who presents in the emergency room with respiratory acidosis.
After assessing the patient, which of the patient's findings is the probable cause of respiratory acidosis?
Hypokalemia.
High Fever.
Extreme Anxiety.
Sedative Overdose.
The Correct Answer is D
Choice A rationale
Hypokalemia, a deficiency of potassium in the blood (normal range: 3.5-5.0 mEq/L), typically leads to metabolic alkalosis due to intracellular hydrogen ion shifts. While respiratory and metabolic acid-base balances are interconnected, hypokalemia itself does not directly cause the retention of carbon dioxide, which is the hallmark of respiratory acidosis.
Choice B rationale
A high fever increases the metabolic rate, leading to increased oxygen consumption and carbon dioxide production. However, the body usually compensates for this by increasing the respiratory rate to expel the excess carbon dioxide. Therefore, while fever affects gas exchange, it is more likely to cause respiratory alkalosis due to hyperventilation, not acidosis.
Choice C rationale
Extreme anxiety can lead to hyperventilation, causing an excessive exhalation of carbon dioxide and a subsequent decrease in the partial pressure of carbon dioxide in the arterial blood (PaCO2). This results in respiratory alkalosis, not respiratory acidosis, where the PaCO2 is elevated (normal range: 35-45 mmHg).
Choice D rationale
Sedative overdose depresses the central nervous system, including the respiratory center in the brainstem. This depression leads to a decrease in both the rate and depth of breathing (hypoventilation). Inadequate ventilation causes the retention of carbon dioxide, leading to an increase in PaCO2 and a decrease in blood pH (normal range: 7.35-7.45), resulting in respiratory acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
A physician's license is primarily concerned with their medical practice, diagnosis, and treatment of patients. While medication security is important in patient care, the direct responsibility for the secure storage and accurate documentation of narcotics in a facility, according to its policies, falls on the nursing staff. Disciplinary actions related to these specific failures would typically target those directly involved in the lapse of protocol.
Choice B rationale
A pharmacist's license governs the dispensing and management of medications within a pharmacy setting. While pharmacists play a crucial role in the supply chain and providing information about medications, the day-to-day secure storage and inventory control of narcotics within a long-term care facility, as per the facility's policies, is the responsibility of the nurses on duty.
Choice C rationale
A facility's license pertains to the operational standards and overall compliance of the healthcare institution. While the failure to secure narcotics and maintain proper documentation could potentially lead to issues with the facility's licensing if it reflects systemic problems, the initial disciplinary actions for direct violations of nursing policies regarding medication handling would likely target the individual nurses involved.
Choice D rationale
Nurses are directly responsible for adhering to the policies and procedures of the healthcare facility regarding the handling and documentation of medications, especially controlled substances like narcotics. Failing to keep narcotics in a locked, secure location and neglecting to document counts before and after each shift are direct violations of these professional responsibilities and institutional guidelines, potentially leading to disciplinary actions against their nursing licenses.
Correct Answer is D
Explanation
Choice A rationale
While reporting communicable diseases is a public health responsibility, it is typically mandated by law and health regulations, not specifically a requirement that nurses *always* report to the Board of Nursing in Texas. Reporting protocols usually involve health departments.
Choice B rationale
Parents declining treatment for a child can raise ethical and legal concerns, potentially involving child protective services or the legal system, but it is not always a direct reporting requirement to the Texas Board of Nursing unless it involves professional misconduct by a nurse.
Choice C rationale
A patient's decision to leave against medical advice is a matter of patient autonomy. While nurses document this and ensure the patient understands the risks, it is not typically a mandatory reporting situation to the Texas Board of Nursing unless there are specific concerns about the nurse's conduct related to the discharge.
Choice D rationale
Abuse of older adults by another nurse directly involves the professional conduct and potential harm caused by a licensed nurse. The Texas Board of Nursing is responsible for regulating nursing practice and ensuring patient safety, making it mandatory for nurses to report such instances of misconduct by a colleague.
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