Which client electrocardiography (ECG) change from baseline will alert the nurse to possible development of hypercalcemia?

Shortened QT interval.

Inverted T waves.

Prominent U wave.

Absent P wave.

Answer and Explanation

The Correct Answer is A

Choice A reason: Hypercalcemia shortens the QT interval on ECG due to accelerated cardiac repolarization. This aligns with electrolyte-related cardiac monitoring, making it the correct change the nurse would recognize as indicating possible hypercalcemia in the client’s electrocardiography assessment.

Choice B reason: Inverted T waves suggest ischemia or hypokalemia, not hypercalcemia, which shortens the QT interval. This is incorrect, as it doesn’t align with the nurse’s expected ECG change for hypercalcemia compared to the characteristic shortened QT interval.

Choice C reason: Prominent U waves are associated with hypokalemia, not hypercalcemia, which affects the QT interval. Shortened QT is correct, making this incorrect, as it’s unrelated to the nurse’s monitoring for hypercalcemia’s ECG changes in the client.

Choice D reason: Absent P waves indicate atrial fibrillation, not hypercalcemia, which shortens the QT interval. This is incorrect, as it doesn’t reflect the nurse’s anticipated ECG change for hypercalcemia, unlike the characteristic shortened QT interval in the client’s monitoring.

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Free Nursing Study Resources

Correct Answer is ["C","D","F","G","H"]

Explanation

Choice A reason: Hypertension is not typical in anaphylactic shock, which causes vasodilation and hypotension. Hypotension is a key finding, making this incorrect, as it contradicts the expected cardiovascular response in the nurse’s assessment of a client with anaphylactic shock.

Choice B reason: Crackles indicate fluid overload or pneumonia, not anaphylaxis, which causes bronchoconstriction and wheezing. Pruritus is typical, making this incorrect, as it doesn’t align with the respiratory findings the nurse would expect in anaphylactic shock assessment.

Choice C reason: Cutaneous cyanosis reflects poor oxygenation from airway compromise in anaphylactic shock. This aligns with integumentary and respiratory assessment, making it a correct finding the nurse would identify in a client experiencing anaphylactic shock in the ED.

Choice D reason: Pruritus, often with hives, is a hallmark of anaphylactic shock due to histamine release. This aligns with allergic response assessment, making it a correct finding the nurse would expect in a client with anaphylactic shock in the emergency department.

Choice E reason: Cough may occur but is less specific than wheezing, which indicates bronchoconstriction in anaphylaxis. Hypotension is more critical, making this incorrect, as it’s not a primary finding compared to the nurse’s expected signs of anaphylactic shock.

Choice F reason: Wheezing results from bronchoconstriction in anaphylactic shock, reflecting airway narrowing. This aligns with respiratory assessment findings, making it a correct manifestation the nurse would expect in a client experiencing anaphylactic shock in the ED.

Choice G reason: Hypotension is a cardinal sign of anaphylactic shock due to vasodilation and fluid shifts. This aligns with cardiovascular assessment, making it a correct finding the nurse would identify in a client with anaphylactic shock in the emergency setting.

Choice H reason: Restlessness indicates hypoxia or anxiety in anaphylactic shock, a common neurological response. This aligns with clinical assessment findings, making it a correct manifestation the nurse would expect in a client experiencing anaphylactic shock in the ED.

A. Palpation of a thrill over the fistula. B. Presence of a radial pulse in the left wrist. C. Visualization of enlarged blood vessels at the fistula site. D. Capillary refill less than 3 seconds in the nail beds of the fingers on the left hand.

Correct Answer is A

Explanation

Choice A reason: Palpation of a thrill, a vibrating sensation, indicates blood flow and patency in an arteriovenous fistula. This aligns with hemodialysis access assessment, making it the correct finding the nurse would use to confirm the fistula is patent.

Choice B reason: A radial pulse in the wrist is normal but doesn’t confirm fistula patency, which requires a thrill. Palpation of a thrill is specific, making this incorrect, as it’s not a direct indicator of fistula function in hemodialysis preparation.

Choice C reason: Enlarged vessels may suggest fistula development but don’t confirm active flow. A thrill indicates patency, making this incorrect, as it’s less specific than the nurse’s assessment of a palpable thrill over the fistula site.

Choice D reason: Capillary refill less than 3 seconds assesses distal perfusion, not fistula patency. Palpation of a thrill is the standard, making this incorrect, as it’s unrelated to the nurse’s evaluation of the arteriovenous fistula for hemodialysis.

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Which client electrocardiography (ECG) change from baseline will alert the nurse to possible development of hypercalcemia?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse in the emergency department (ED) is assessing a client with anaphylactic shock. Which of the following findings would support a diagnosis of anaphylactic shock? (Select all that apply)

Correct Answer is ["C","D","F","G","H"]

Explanation

The nurse is assessing the patency of a client’s left arm arteriovenous fistula prior to initiating hemodialysis. Which finding indicates that the fistula is patent?

Correct Answer is A

Explanation

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