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 C

Explanation

Choice A rationale:

While leukemia treatment does have severe side effects, not all of them are permanent. It is essential for the patient to be aware of potential complications but also to understand that some side effects might be temporary and can be managed with appropriate care.

Choice B rationale:

Using the call light to ask for help when getting out of bed is essential for patients receiving chemotherapy, as their immune system might be compromised, making them prone to infections and injuries. However, this information is not specific to leukemia treatment but is a general safety measure for these patients.

Choice C rationale:

Patients undergoing chemotherapy for leukemia are at an increased risk of infections due to the suppression of the immune system. Preventive measures, such as good hygiene practices and early detection of signs of infection, are crucial in managing these patients. Educating the patient about infection prevention is essential for their safety during treatment.

Choice D rationale:

Feeling isolated can be a common emotional response to any chronic illness, including leukemia. However, it is not an unavoidable consequence, and providing emotional support and involving the patient in support groups can help mitigate these feelings. This statement does not provide essential information about managing leukemia treatment.

A. Silent ischemia. B. Angina decubitus. C. Prinzmetal angina. D. Chronic stable angina.

Correct Answer is C

Explanation

Choice A rationale:

Silent ischemia refers to a lack of oxygen to the heart that doesn't cause symptoms like chest pain. It is often diagnosed during an electrocardiogram (ECG) done for other reasons. The patient in this scenario is experiencing chest pain, so silent ischemia is not the correct choice.

Choice B rationale:

Angina decubitus refers to chest pain that occurs while lying down and is relieved by standing or sitting. The patient in this scenario is experiencing chest pain at rest, which is not characteristic of angina decubitus.

Choice D rationale:

Chronic stable angina is chest pain or discomfort that typically occurs with activity or stress and is relieved by rest or nitroglycerin. The patient in this scenario is experiencing chest pain at rest, which is not characteristic of chronic stable angina.

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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.

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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.