Nursing Elites

1. Why is a precise amount of oxygen necessary for a patient with COPD to prevent which complication?

• A. Cardiac arrest related to increased partial pressure of carbon dioxide in arterial blood (PaCO2)
• B. Circulatory overload due to hypervolemia
• C. Respiratory excitement
• D. Inhibition of the respiratory hypoxic stimulus

Correct answer: D

Rationale: In patients with COPD, the respiratory drive is often stimulated by low oxygen levels. Administering too much oxygen can inhibit this hypoxic drive, leading to respiratory depression and potential respiratory failure. Therefore, it is crucial to carefully regulate the oxygen therapy to prevent the inhibition of the respiratory hypoxic stimulus in COPD patients.

2. When is the most appropriate time for obtaining a sputum specimen for culture?

• A. Early in the morning
• B. After the patient eats a light breakfast
• C. After aerosol therapy
• D. After chest physiotherapy

Correct answer: A

Rationale: Obtaining a sputum specimen early in the morning is the most appropriate time because secretions have accumulated overnight. This timing provides the best sample with the least contamination, leading to more accurate culture results and aiding in diagnosing respiratory infections effectively.

3. A healthcare professional is assessing a client following a gunshot wound to the chest. For which of the following findings should the healthcare professional not monitor to detect a pneumothorax?

• A. Tachypnea
• B. Deviation of the trachea
• C. Bradycardia
• D. Pleuritic pain

Correct answer: C

Rationale: Bradycardia, which is a slow heart rate, is not typically associated with a pneumothorax. In a pneumothorax, the presence of air in the pleural space can lead to lung collapse, causing symptoms such as tachypnea (rapid breathing), deviation of the trachea, and pleuritic pain. Monitoring for bradycardia may not be as relevant in this context as it is not a typical indicator of a pneumothorax.

4. Which of the following patients is at greater risk for contracting an infection?

• A. A patient with leukopenia
• B. A patient receiving broad-spectrum antibiotics
• C. A postoperative patient who has undergone orthopedic surgery
• D. A newly diagnosed diabetic patient

Correct answer: A

Rationale: Leukopenia, characterized by low white blood cell count, significantly reduces the body's ability to fight infections. Patients with leukopenia are at a higher risk of contracting infections due to compromised immune defenses.

5. How many liters are equal to 1800 ml?

• A. 1.8
• B. 18000
• C. 180
• D. 2800

Correct answer: A

Rationale: To convert milliliters (ml) to liters, divide by 1000 since 1 liter is equal to 1000 ml. Therefore, 1800 ml is equal to 1800/1000 = 1.8 liters. Choice A (1.8) is correct. Choice B (18000) is incorrect as it equates to 18000 liters, not 1.8 liters. Choice C (180) is incorrect as it represents 180 liters, not 1.8 liters. Choice D (2800) is incorrect as it does not reflect the conversion of 1800 ml to liters.

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