A nurse is reviewing laboratory data on a client who is recovering from surgery.
Drag 1 condition and 1 client finding to fill in each blank in the following sentence.
The client is at risk for developing due to
The Correct Answer is {"dropdown-group-1":"E","dropdown-group-2":"C"}
Potassium Levels: The postoperative potassium level for the client is 3.0 mEq/L, which falls below the normal range of 3.5 to 5 mEq/L. Potassium is a critical electrolyte necessary for the proper functioning of cardiac muscles. It plays a pivotal role in maintaining the electrical conductivity of the heart. Hypokalemia, or low potassium levels, can disrupt this electrical conductivity, leading to abnormal heart rhythms or arrhythmias. Arrhythmias can manifest as palpitations, irregular heartbeats, or more severe cardiac events, which can be life-threatening if not addressed promptly.
Importance of Potassium in Cardiac Function: Potassium is essential for the repolarization phase of the cardiac action potential. It helps in the return of the cell to its resting state after each heartbeat. A deficiency in potassium disrupts this balance, increasing the risk of erratic heartbeats and arrhythmias. Low potassium can prolong the QT interval on an electrocardiogram (ECG), which is a marker for potential arrhythmic events.
Clinical Implications: For a postoperative client, maintaining electrolyte balance is crucial. Surgery and anesthesia can affect fluid and electrolyte levels, making it essential to monitor and correct any imbalances. The decrease in potassium levels from 3.5 mEq/L preoperatively to 3.0 mEq/L postoperatively highlights a trend that must be addressed to prevent complications such as arrhythmias.
Preventative Measures: To mitigate the risk of arrhythmias, the healthcare team should consider interventions to correct the hypokalemia. This may include administering potassium supplements orally or intravenously, depending on the severity and clinical context. Continuous cardiac monitoring may also be warranted to detect and manage any emerging arrhythmic events promptly.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. The client's daughter, who is the primary caregiver: While the daughter may be involved in the client's care and decision-making process, the client themselves should provide informed consent if they have decision-making capacity. Informed consent cannot be provided by a caregiver unless legally authorized to do so.
B. The client: The client is alert, oriented, and has advance directives. In this scenario, the client possesses decision-making capacity and is capable of providing informed consent for the procedure. As long as the client is competent and able to understand the nature, risks, benefits, and alternatives of the procedure, they are the appropriate person to sign the informed consent document.
C. The client's partner: Unless legally designated as the client's healthcare proxy or legally authorized to provide consent on the client's behalf, the partner should not sign the informed consent document. The client themselves should provide consent if they have decision-making capacity.
D. The client's son, who has a durable power of attorney: While a durable power of attorney grants legal authority to make healthcare decisions on behalf of the client if they lack decision-making capacity, it does not negate the client's ability to provide informed consent if they are competent to do so. If the client is alert, oriented, and capable of understanding the procedure, they should sign the informed consent document themselves.
Correct Answer is B
Explanation
A) The client with end-stage renal failure scheduled for dialysis is at risk for fluid volume excess rather than deficit. Dialysis is a treatment to remove excess fluid and waste products from the body, which can lead to fluid volume deficit if not managed appropriately, but the scenario does not indicate current dehydration.
B) The client with gastroenteritis and fever is at risk for fluid volume deficit due to fluid loss from vomiting, diarrhea, and fever-induced diaphoresis. Gastroenteritis commonly leads to dehydration, especially when accompanied by fever, which increases fluid loss through sweating.
C) The client with left-sided heart failure and an elevated brain natriuretic peptide (BNP) level is at risk for fluid volume excess rather than deficit. Elevated BNP levels indicate heart failure, which can result in fluid retention and volume overload rather than deficit.
D) The client who has been NPO since midnight for endoscopy is at risk for fluid volume deficit due to fasting. However, the severity and duration of fasting are not specified in the scenario, so it may not present an immediate risk compared to the client with gastroenteritis and fever.
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