A 51-year-old male client with pneumonia has undergone several days of antibiotic and respiratory treatment. Given the following assessment findings, mark whether they indicate that the treatment was effective or ineffective:

PaCO2 55 mm Hg on a blood gas

Rhonchi in the right lung

Oxygen saturation greater than 94%

Client ambulates without shortness of breath

Answer and Explanation

Correct Answer : C,D

Choice A rationale:

PaCO2 55 mm Hg on a blood gas indicates ineffective treatment. Normal PaCO2 levels range from 35-45 mm Hg.

Elevated PaCO2 (hypercapnia) suggests that the lungs are not effectively removing carbon dioxide from the body. This can be due to various factors, including:

Incomplete resolution of pneumonia Airway obstruction

Impaired respiratory muscle function

Choice B rationale:

Rhonchi in the right lung indicates ineffective treatment.

Rhonchi are coarse, rattling sounds heard in the lungs during auscultation.

They are often associated with mucus accumulation in the airways, which can occur in pneumonia.

The presence of rhonchi suggests that inflammation and mucus production persist, despite antibiotic and respiratory therapy.

Choice C rationale:

Oxygen saturation greater than 94% indicates effective treatment. Normal oxygen saturation levels are typically 95% or higher.

A saturation of 94% or above suggests that the lungs are able to effectively oxygenate the blood. This is a positive sign that the pneumonia is responding to treatment.

Choice D rationale:

Client ambulates without shortness of breath indicates effective treatment. Shortness of breath (dyspnea) is a common symptom of pneumonia.

It occurs when the lungs are unable to provide enough oxygen to the body, leading to a feeling of breathlessness.

The ability to ambulate without shortness of breath suggests that the pneumonia has improved and that the lungs are functioning more effectively.

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Correct Answer is C

Explanation

Choice A rationale:

Incorrect. The kidneys do play a role in acid-base balance, but they primarily eliminate acids other than carbon dioxide. They do not significantly convert carbon dioxide for elimination.

Elaboration: While the kidneys help regulate acid-base balance through reabsorption and excretion of bicarbonate and hydrogen ions, their role in carbon dioxide elimination is minimal. They primarily excrete acids like uric acid, phosphoric acid, and lactic acid.

Choice B rationale:

Incorrect. Hyperventilation would decrease carbon dioxide levels, not contribute to respiratory acidosis. Respiratory acidosis is characterized by elevated carbon dioxide levels.

Elaboration: Hyperventilation leads to rapid and excessive breathing, causing a decrease in carbon dioxide levels in the blood. This can result in respiratory alkalosis, not respiratory acidosis.

Choice C rationale:

Correct. Respiratory acidosis is caused by the accumulation of carbon dioxide in the blood. This can happen due to impaired ventilation, such as in conditions like chronic obstructive pulmonary disease (COPD), pneumonia, or respiratory failure.

Elaboration: Carbon dioxide is produced as a byproduct of cellular metabolism. It is normally removed from the body through exhalation. When ventilation is impaired, carbon dioxide cannot be efficiently eliminated, leading to its buildup in the blood. This excess carbon dioxide reacts with water to form carbonic acid, lowering blood pH and causing respiratory acidosis.

Choice D rationale:

Incorrect. Low blood oxygen levels (hypoxemia) can stimulate the respiratory rate, but this would not directly cause respiratory acidosis. It might lead to hyperventilation, which could potentially cause respiratory alkalosis.

Elaboration: The body's respiratory center in the brainstem regulates breathing based on blood oxygen and carbon dioxide levels. Hypoxemia triggers a compensatory increase in respiratory rate to enhance oxygen intake. However, this response does not directly contribute to respiratory acidosis.

A. Observe the skin for lesions. B. Palpate the lymph nodes. C. Palpate large joints for nodules. D. Observe the client’s fingers.

Correct Answer is D

Explanation

Choice A rationale:

Observing the skin for lesions is not a specific technique for assessing early signs of rheumatoid arthritis. While RA can sometimes manifest with skin lesions, they are not typically present in the early stages of the disease. Moreover, skin lesions can be indicative of a wide range of other conditions, making them a less reliable indicator of RA.

Choice B rationale:

Palpating the lymph nodes is also not a specific technique for assessing early signs of rheumatoid arthritis. Lymph node enlargement can occur in various inflammatory conditions, including infections and autoimmune diseases. It is not a characteristic feature of early RA.

Choice C rationale:

Palpating large joints for nodules is a technique used to assess for rheumatoid arthritis, but it is more likely to detect nodules in later stages of the disease. Nodules are typically firm, non-tender bumps that develop under the skin around joints. They are often found in areas like the elbows, knuckles, and fingers. However, they may not be present in the early stages of RA.

Choice D rationale:

Observing the client's fingers is the most appropriate technique for assessing early signs of rheumatoid arthritis. This is because the fingers are often the first joints to be affected by the disease. Early signs of RA in the fingers can include:

Swelling of the finger joints, particularly the proximal interphalangeal (PIP) and metacarpophalangeal (MCP) joints. Tenderness and pain in the finger joints, especially upon movement.

Stiffness in the finger joints, which is often worse in the mornings and after periods of inactivity. Redness or warmth in the finger joints.

Difficulty bending or straightening the fingers.

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A 51-year-old male client with pneumonia has undergone several days of antibiotic and respiratory treatment. Given the following assessment findings, mark whether they indicate that the treatment was effective or ineffective:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client who is experiencing respiratory distress is admitted with respiratory acidosis.Which pathophysiological process supports the client's respiratory acidosis?

Correct Answer is C

Explanation

Which technique should the nurse use when assessing the client for early signs of rheumatoid arthritis?

Correct Answer is D

Explanation

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