A nurse is reviewing the EKG strip of a client who has End Stage Renal Disease (ESRD) and has missed hemodialysis. Which of the following abnormalities on the client's EKG should the nurse interpret as a sign of hyperkalemia?
Prolonged P-R interval
Peaked T waves
Elevated ST segment
Inverted P wave
The Correct Answer is B
A. Prolonged P-R interval: A prolonged P-R interval may indicate an atrioventricular (AV) block or conduction delay, but it is not specifically associated with hyperkalemia.
B. Peaked T waves: Peaked T waves are a classic EKG finding in hyperkalemia. Hyperkalemia can affect cardiac repolarization, leading to tall, peaked T waves on the EKG.
C. Elevated ST segment: An elevated ST segment may indicate myocardial injury or ischemia but is not typically associated with hyperkalemia.
D. Inverted P wave: An inverted P wave may indicate atrial enlargement or conduction abnormalities but is not specifically associated with hyperkalemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","E"]
Explanation
A. Lime: Lime can cause chemical burns, especially when in contact with moisture (e.g., skin or eyes), but it is less common than some other agents listed.
B. Hydrofluric acid: Hydrofluoric acid is highly corrosive and can cause severe burns upon contact with the skin or mucous membranes.
C. Bleach: Bleach, particularly sodium hypochlorite, is a common household chemical that can cause chemical burns, especially in concentrated forms.
D. Fabric softener: While fabric softeners contain chemicals, they are not typically known to cause significant chemical burns unless ingested or used improperly.
E. Gasoline: Gasoline is a flammable liquid that can cause chemical burns upon skin contact.
Correct Answer is B
Explanation
A. This result shows a slightly elevated PaCO2, which could suggest respiratory compensation for a metabolic alkalosis, not acidosis, as the pH is within the normal range.
B. This result indicates both a low pH and an elevated PaCO2, which are consistent with respiratory acidosis. The low HCO3 also suggests a metabolic acidosis component, making it the best match for a client with acidosis.
C. The elevated pH indicates alkalosis. The low PaCO2 and high HCO3 further suggest a primary respiratory alkalosis with metabolic compensation.
D. These values are within normal limits, indicating neither acidosis nor alkalosis.
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