Nursing Elites

1. A client's arterial blood gas results show a pH of 7.3 and a PaCO2 of 50 mm Hg. The client is experiencing which of the following acid-base imbalances?

• A. Metabolic acidosis
• B. Metabolic alkalosis
• C. Respiratory acidosis
• D. Respiratory alkalosis

Correct answer: C

Rationale: In respiratory acidosis, there is an excess of carbon dioxide (PaCO2 > 45 mm Hg) leading to a decrease in pH (<7.35). The given values of a pH of 7.3 and PaCO2 of 50 mm Hg indicate respiratory acidosis. Metabolic acidosis involves a primary decrease in bicarbonate levels with a compensatory decrease in PaCO2 to maintain balance. Metabolic alkalosis is characterized by elevated pH and bicarbonate levels. Respiratory alkalosis is marked by low PaCO2 and increased pH levels.

2. A client is planning to perform nasotracheal suction for a client who has COPD and an artificial airway. Which of the following actions should the nurse take?

• A. Perform suctioning for up to four passes.
• B. Apply suction to the catheter when advancing it into the trachea.
• C. Preoxygenate the client with 100% oxygen for up to 3 min.
• D. Limit each suction pass to 25 seconds.

Correct answer: C

Rationale:

3. A healthcare professional is auscultating the lungs of a client who has pleurisy. Which of the following adventitious breath sounds should the professional expect to hear?

• A. Loud, scratchy sounds
• B. Squeaky, musical sounds
• C. Popping sounds
• D. Snoring sounds

Correct answer: A

Rationale: When auscultating the lungs of a client with pleurisy, the healthcare professional should expect to hear loud, scratchy sounds. These sounds are characteristic of pleurisy, which is an inflammation of the pleura, causing a rough, grating sound during breathing.

4. A healthcare professional is assessing a client who has a new onset of confusion. Which laboratory value should the professional check first?

• A. Blood glucose level
• B. Serum sodium level
• C. Serum calcium level
• D. Blood urea nitrogen (BUN)

Correct answer: A

Rationale: In a client presenting with a new onset of confusion, checking the blood glucose level first is crucial as hypoglycemia can cause confusion and is easily correctable. Addressing hypoglycemia promptly is essential to prevent further complications.

5. How does the pain of a myocardial infarction (MI) differ from stable angina?

• A. Accompanied by shortness of breath
• B. Feelings of fear or anxiety
• C. Lasts less than 15 minutes
• D. No relief from taking nitroglycerin

Correct answer: C

Rationale: The pain of a myocardial infarction (MI) is often accompanied by shortness of breath and feelings of fear or anxiety. Unlike stable angina, the pain of an MI typically lasts longer than 15 minutes and is not relieved by nitroglycerin. Additionally, it can occur without a known cause, unlike stable angina which often has a trigger such as exertion.

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