Which acid-base mechanism would the kidney use to buffer a patient's acidosis (serum pH <7.35)? Select all that apply.
One, some, or all responses may be correct.

Eliminating excess H+.

Excreting excess water.

Eliminating excess CO2.

Reabsorbing additional HCO3-.

Reabsorbing additional sodium ions.

Answer and Explanation

Correct Answer : A,D

Choice A rationale:

Eliminating excess H+ ions (hydrogen ions) is a primary mechanism the kidneys use to buffer acidosis. In acidosis, there is an excess of hydrogen ions in the body, leading to a decrease in pH. The kidneys help regulate the body's pH by excreting hydrogen ions to lower acidity.

Choice B rationale:

Excreting excess water is not a specific acid-base mechanism related to acidosis. While maintaining proper hydration is important for overall health, it does not directly influence the body's acid-base balance in the context of acidosis.

Choice C rationale:

Eliminating excess CO2 is primarily a respiratory mechanism, not a kidney function. CO2 elimination is more related to the lungs' ability to regulate the body's pH by adjusting respiratory rate and depth.

Choice D rationale:

Reabsorbing additional HCO3- ions (bicarbonate ions) is a renal mechanism to buffer acidosis. Bicarbonate ions act as a base and can neutralize excess hydrogen ions, raising the pH of the body fluids.

Choice E rationale:

Reabsorbing additional sodium ions is not a specific acid-base mechanism related to acidosis. While sodium ions are important for various physiological processes, they do not play a direct role in buffering acidosis.

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

Explanation

Choice A rationale:

Fatigue can be a symptom of uncontrolled hypertension. Elevated blood pressure can strain the heart, leading to decreased cardiac output and inadequate oxygen supply to body tissues, which can result in fatigue.

Choice B rationale:

Dizziness is a common symptom of uncontrolled hypertension. High blood pressure can cause the blood vessels in the inner ear to rupture or leak, leading to dizziness and balance issues.

Choice C rationale:

Palpitations, which are sensations of rapid, strong, or irregular heartbeats, can occur in individuals with uncontrolled hypertension. Hypertension can lead to changes in the structure and function of the heart, causing palpitations.

Choice D rationale:

Cluster headaches are not directly associated with uncontrolled hypertension. Cluster headaches are severe headaches that occur in clusters, often at the same time of day for several weeks. These headaches are not a typical symptom of hypertension.

A. To rule out any bone marrow involvement. B. To determine the level of cell differentiation. C. To establish which lymph cell type is involved. D. To find any central nervous system involvement.

Correct Answer is D

Explanation

Choice A rationale:

A lumbar puncture is not typically performed to rule out bone marrow involvement in non-Hodgkin lymphoma. Imaging studies and bone marrow biopsies are more appropriate for evaluating bone marrow involvement.

Choice B rationale:

Determining the level of cell differentiation is not the primary purpose of a lumbar puncture in non-Hodgkin lymphoma. This information is usually obtained from a biopsy of the affected lymph nodes or organs.

Choice C rationale:

Identifying the specific lymph cell type involved is not the main objective of a lumbar puncture in non-Hodgkin lymphoma. This information is usually determined through lymph node biopsy and other imaging studies.

Choice D rationale:

The purpose of a lumbar puncture in non-Hodgkin lymphoma is to find any central nervous system involvement. Lymphoma cells can spread to the central nervous system, and a lumbar puncture allows for the examination of cerebrospinal fluid to detect any cancerous cells, which can guide treatment decisions.

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Which acid-base mechanism would the kidney use to buffer a patient's acidosis (serum pH <7.35)? Select all that apply.One, some, or all responses may be correct.

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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.

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

Explanation

Which explanation will the nurse give a patient with non-Hodgkin lymphoma about the purpose of a planned lumbar puncture?

Correct Answer is D

Explanation

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Which acid-base mechanism would the kidney use to buffer a patient's acidosis (serum pH <7.35)? Select all that apply.
One, some, or all responses may be correct.