Which goal is a primary objective for a patient who has chronic heart failure (HF)?

Maximizing cardiac output.

Maintaining ideal body weight.

Performing daily aerobic exercises.

Maintaining a steady pulse oximetry reading.

Answer and Explanation

The Correct Answer is A

Choice A rationale:

Maximizing cardiac output is a primary goal for patients with chronic heart failure (HF) because it helps improve tissue perfusion and oxygen delivery to meet the body's demands. It is a crucial aspect of managing heart failure and preventing further complications.

Choice B rationale:

Maintaining ideal body weight is important for overall health but is not a primary goal specific to chronic heart failure management.

Choice C rationale:

While exercise is beneficial for heart failure patients, it needs to be tailored to the patient's condition. Performing aerobic exercises daily might not be suitable for all heart failure patients and is not a primary goal.

Choice D rationale:

Maintaining a steady pulse oximetry reading is important, but it is a measure of oxygen saturation in the blood and not a primary goal for managing chronic heart failure.

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

Explanation

Choice A rationale:
Increased cobalamin levels are not indicative of polycythemia vera. Polycythemia vera is characterized by an increase in the total red blood cell mass. Elevated cobalamin levels are not specific to this condition.
Choice B rationale:
Decreased histamine levels are not a diagnostic marker for polycythemia vera. Histamine levels are not typically associated with this disorder.
Choice C rationale:
Increased hemoglobin levels are a significant finding in polycythemia vera. Polycythemia vera is a disorder characterized by an abnormal increase in the number of red blood cells, leading to elevated hemoglobin levels.
Choice D rationale:
Increased red blood cell levels are a hallmark feature of polycythemia vera. The increased production of red blood cells leads to elevated red blood cell levels, which is a key diagnostic indicator for this condition.

A. The electrolyte is the most abundant intracellular cation present in the body. B. The electrolyte may cause extracellular fluid overload. C. Magnesium may affect neuromuscular excitability and contractility. D. The patient is at risk for hypotension when the levels of magnesium decrease.

Correct Answer is C

Explanation

Choice A rationale:

While magnesium is indeed the most abundant intracellular cation in the body, this fact alone does not explain why the nurse would assess the patient's magnesium level.

Choice B rationale:

Magnesium imbalance can cause issues in the extracellular fluid compartment, but this choice does not explain why the nurse would specifically assess the patient's magnesium level.

Choice D rationale:

While hypotension can be a symptom of severe magnesium deficiency, this choice does not provide a rationale for assessing the patient's magnesium level. In this case, choice C is correct because magnesium plays a crucial role in neuromuscular excitability and contractility. Abnormal magnesium levels can lead to neuromuscular symptoms such as muscle weakness, tremors, and spasms. Additionally, magnesium is involved in cardiac muscle function, and low magnesium levels can lead to arrhythmias and other cardiac issues. Therefore, assessing the patient's magnesium level is essential in understanding their neuromuscular and cardiac health.

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Which goal is a primary objective for a patient who has chronic heart failure (HF)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse suspects that a patient has polycythemia vera based on which finding in the patient's laboratory reports? Select all that apply. One, some, or all responses may be correct.

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

Explanation

Which rationale supports the nurse's assessment of a patient's magnesium level?

Correct Answer is C

Explanation

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