What is seen on an ECG tracing when there is no electrical activity being produced?

Negative waveform

Isoelectric line

Downward deflection

Positive waveform

Answer and Explanation

The Correct Answer is B

A.   A negative waveform indicates a downward deflection from the baseline on an ECG tracing, which may correspond to electrical activity such as depolarization or repolarization of cardiac chambers.
B.   An isoelectric line represents the baseline on an ECG tracing when there is no net electrical activity occurring in the heart. It appears flat and represents a period of electrical silence.
C.   A downward deflection on an ECG tracing refers to a negative waveform, as mentioned above.
D.   A positive waveform on an ECG tracing indicates an upward deflection from the baseline, representing electrical activity such as depolarization or repolarization.

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Free Nursing Study Resources

Correct Answer is B

Explanation

A. Fatigue is a common symptom in patients with multiple myeloma but may not directly impact safety in the home environment as much as other factors.
B. An unsteady gait can increase the risk of falls and injuries, making it a priority for safety considerations in the home environment.
C. Back pain is common in multiple myeloma but may not directly affect safety in the home environment unless it significantly impairs mobility.

D. Dyspnea on exertion may limit physical activity but may not pose an immediate safety risk in the home environment unless it indicates a severe respiratory compromise.

A. Platelet count 125,000/mm3 B. Hematocrit 35% C. Weight loss D. Bone pain

Correct Answer is A

Explanation

A. A platelet count of 125,000/mm³ is lower than normal, and poses an increased risk of bleeding requiring immediate attention.
B. A hematocrit of 35% falls within the normal range for many individuals and does not indicate an urgent issue.
C. Weight loss may be a concern but is not typically considered a priority over other symptoms such as bone pain.
D. Bone pain in a client with leukemia is a common symptom of leukemia but does not require immediate attention compared to a low platelet count.

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What is seen on an ECG tracing when there is no electrical activity being produced?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is teaching a patient with multiple myeloma how to remain safe in the home. Which problem should be a priority for this patient?

Correct Answer is B

Explanation

A nurse is collecting data from a client who has leukemia. Which of the following findings has the highest priority?

Correct Answer is A

Explanation

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