The nurse suspects that which condition associated with chronic heart failure is the cause of a patient's inability to sleep well due to frequent urination?

Fullness from ascites.

Hypoproteinemia.

Hypoperfusion to the brain.

Increased renal perfusion in the supine position.

Answer and Explanation

The Correct Answer is D

Choice A rationale:

Fullness from ascites is a symptom associated with conditions like liver cirrhosis, not directly related to chronic heart failure. Ascites is the accumulation of fluid in the abdominal cavity, causing a feeling of fullness and abdominal discomfort.

Choice B rationale:

Hypoproteinemia, a condition characterized by low levels of proteins in the blood, can lead to fluid retention and edema. However, it is not a direct cause of frequent urination. Frequent urination in this context is more likely related to increased fluid volume in the body, which can be caused by increased renal perfusion in the supine position due to fluid redistribution from the lower extremities to the kidneys.

Choice C rationale:

Hypoperfusion to the brain can lead to neurological symptoms, but it does not directly cause frequent urination. Frequent urination is often related to the kidneys' ability to filter excess fluid and excrete it as urine.

Choice D rationale:

Increased renal perfusion in the supine position can cause frequent urination, especially at night. When a person with chronic heart failure lies down, fluid that has accumulated in the lower extremities (edema) during the day is redistributed to the kidneys due to the change in body position. This increased renal perfusion results in an increased production of urine, leading to nocturia (frequent urination at night) and disrupting the patient's ability to sleep well. This symptom is characteristic of heart failure-related fluid overload and is an important clinical sign indicating worsening heart failure.

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Correct Answer is C

Explanation

Choice A rationale:

Buffers do not excrete weak acids; instead, they help regulate the pH of bodily fluids by preventing drastic changes in acidity or alkalinity.

Choice B rationale:

Buffers do not secrete hydrogen ions. In fact, buffers can either absorb or release hydrogen ions to maintain a stable pH.

Choice C rationale:

To convert strong acids to weak acids is the correct answer. Buffers are substances that can neutralize both acids and bases, helping to maintain a stable pH in a solution. They achieve this by accepting hydrogen ions from strong acids or donating hydrogen ions to strong bases, converting them into weaker acids or bases, respectively.

Choice D rationale:

Buffers do not convert ammonia to ammonium ions. This conversion is a part of the body's acid-base regulation system, but it is not the primary function of buffers.

A. Maximizing cardiac output. B. Maintaining ideal body weight. C. Performing daily aerobic exercises. D. Maintaining a steady pulse oximetry reading.

Correct Answer is A

Explanation

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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The nurse suspects that which condition associated with chronic heart failure is the cause of a patient's inability to sleep well due to frequent urination?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which phrase describes the function of a buffer?

Correct Answer is C

Explanation

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

Correct Answer is A

Explanation

A patient reports episodic chest pain lasting a few minutes that is provoked by exertion and relieved within 10 minutes upon resting.Which cause of the patient's symptoms would the nurse suspect?

Which role is attributed to the base in the acid-base balance?

A patient's arterial blood gas (ABG) results include a pH of 7.32, a PaCO2 of 56 mm Hg, and an HCO3 of 24 mEq/L. Which acid-base imbalance would the nurse use when developing the patient's plan of care?

Which treatment is likely to be planned for a patient who develops pernicious anemia after a gastrectomy?

The nurse provides education to a patient about the symptoms of uncontrolled hypertension.Which symptom would the nurse include? Select all that apply.One, some, or all responses may be correct.

A patient's blood pressure (BP) reading is 142/91 mm Hg. How would the nurse classify the BP?

A patient who smokes reports chest pain while at rest.Which condition would the nurse suspect the patient is experiencing?

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.