A nurse is reviewing the EKG strip of a client who has prolonged vomiting. Which of the following abnormalities on the client's EKG should the nurse interpret as a sign of hypokalemia?

Inverted P wave

Wide ORS

Elevated ST segment

Abnormally prominent U wave

Answer and Explanation

The Correct Answer is D

A. Inverted P wave: An inverted P wave may indicate atrial depolarization abnormalities but is not typically associated with hypokalemia. It can be seen in conditions such as atrial enlargement or atrial ischemia. However, in hypokalemia, the P wave may become flattened or have a decreased amplitude, but it is less likely to be inverted.
B. Wide QRS: A wide QRS complex may indicate conduction abnormalities or bundle branch blocks, but it is not specifically associated with hypokalemia. Wide QRS complexes are more commonly seen in conditions such as bundle branch blocks or electrolyte imbalances like hyperkalemia. Hypokalemia tends to cause a prolongation of the QT interval rather than widening of the QRS complex.
C. Elevated ST segment: An elevated ST segment is typically associated with myocardial injury or infarction, not hypokalemia. It can be indicative of conditions such as myocardial ischemia or pericarditis. In hypokalemia, ST segment changes are more likely to be flattened or depressed rather than elevated.
D. Abnormally prominent U wave: An abnormally prominent U wave is a classic EKG finding in hypokalemia. Hypokalemia prolongs the repolarization phase of the cardiac action potential, leading to the appearance of U waves following the T wave. These U waves can become more pronounced as potassium levels decrease. Therefore, an abnormally prominent U wave is a significant indicator of hypokalemia on an EKG, especially in a patient with prolonged vomiting, which can lead to potassium depletion. Thus, it is the most pertinent abnormality to interpret in this context.

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Free Nursing Study Resources

Correct Answer is ["A","B","C","D"]

Explanation

A. Cleanse the skin prior to the procedure: Cleansing the skin before applying the transdermal analgesic cream is essential to remove any dirt, oils, or contaminants that could interfere with its absorption. This step helps ensure optimal drug delivery and effectiveness.
B. Apply the medication an hour before the procedure begins: Applying the transdermal analgesic cream an hour before the procedure allows sufficient time for the medication to be absorbed through the skin and reach its therapeutic effect. This timing ensures that the analgesic properties are in place when the IV insertion procedure starts.
C. Use a visual pain rating scale to evaluate the effectiveness of the treatment: Using a visual pain rating scale can help assess the child's pain level before and after applying the transdermal analgesic cream. This evaluation provides valuable feedback on the cream's effectiveness in providing pain relief.
D. Apply to intact skin: Transdermal medications are designed to be absorbed through intact skin. Applying the cream to intact skin ensures proper absorption and effectiveness of the analgesic medication.
E. Spread the cream over the lateral surface of both forearms. This option might not be necessary or appropriate for the intended purpose. The choice of application site for transdermal analgesic cream depends on the specific medication and the area of pain. While the lateral surface of the forearms can be a suitable site, it may not always be necessary or feasible to apply the cream to both forearms, especially if the intended IV insertion site is on one arm.

A. Tell the child it is candy B. Tell the child he will have to have a shot instead C. Offer the child a choice of taking the medication with juice or water D. Hide the medication in a large dish of ice cream

Correct Answer is C

Explanation

A. Tell the child it is candy: Deceiving the child by telling them medication is candy can lead to trust issues and may cause confusion if the child later discovers the truth. It's important to promote honesty and transparency in healthcare interactions.
B. Tell the child he will have to have a shot instead: Threatening the child with a shot as an alternative to taking medication can induce fear and anxiety, making the child more resistant to cooperation. Using fear as a motivator can have negative psychological effects and should be avoided.
C. Offer the child a choice of taking the medication with juice or water: This strategy empowers the child by giving them a sense of control and autonomy over the situation. Offering choices can help the child feel more involved in their care and increase cooperation. By allowing the child to choose how they take the medication, they may be more willing to comply.
D. Hide the medication in a large dish of ice cream: While hiding medication in food may be effective for some children, it can undermine trust if the child discovers the deception. Additionally, this method does not teach the child how to take medication independently and may not be feasible in all situations. Offering choices and involving the child in the decision-making process is a more respectful and effective approach.

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A nurse is reviewing the EKG strip of a client who has prolonged vomiting. Which of the following abnormalities on the client's EKG should the nurse interpret as a sign of hypokalemia?

Nursing Test Bank

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