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. A client with depression reports taking St. John's wort along with citalopram. The nurse should monitor the client for which of the following conditions as a result of an interaction between these substances?

• A. Serotonin syndrome
• B. Tardive dyskinesia
• C. Pseudoparkinsonism
• D. Acute dystonia

Correct answer: A

Rationale: When St. John's wort, an herbal supplement, is taken with citalopram, a selective serotonin reuptake inhibitor (SSRI), there is a risk of serotonin syndrome. Serotonin syndrome is a serious condition that can occur when there is an excess of serotonin in the body, leading to symptoms such as confusion, hallucinations, rapid heart rate, increased body temperature, and more. Monitoring for serotonin syndrome is crucial when these substances are taken together to prevent any potential harm to the client.

3. The physician orders the administration of high-humidity oxygen by face mask and placement of the patient in a high Fowler’s position. After assessing Mrs. Paul, the nurse writes the following nursing diagnosis: Impaired gas exchange related to increased secretions. Which of the following nursing interventions has the greatest potential for improving this situation?

• A. Encourage the patient to increase her fluid intake to 200 ml every 2 hours
• B. Place a humidifier in the patient’s room
• C. Continue administering oxygen by high humidity face mask
• D. Perform chest physiotherapy on a regular schedule

Correct answer: D

Rationale: Chest physiotherapy is the most effective intervention in cases of impaired gas exchange related to increased secretions. This technique helps mobilize and clear secretions from the airways, thereby improving gas exchange in the lungs. Placing a humidifier or administering oxygen by high humidity face mask may provide moisture but may not directly address the clearance of secretions. Encouraging increased fluid intake can help with hydration but may not address the underlying issue of impaired gas exchange due to secretions.

4. Which of the following is the correct meaning of CBR?

• A. Cardiac Board Room
• B. Complete Bathroom
• C. Complete Bed Rest
• D. Complete Board Room

Correct answer: C

Rationale: In medical terminology, 'CBR' stands for Complete Bed Rest. This term indicates the necessity for a patient to remain in bed without engaging in any physical activities beyond what is essential for daily living, to aid in the recovery process or to prevent further health complications. Choices A, B, and D are incorrect as they do not reflect the medical meaning of CBR.

5. When administering digoxin 0.125 mg PO to an adult client, for which of the following findings should the nurse report to the provider?

• A. Potassium level 4.2 mEq/L.
• B. Apical pulse 58/min
• C. Digoxin level 1 ng/mL
• D. Constipation for 2 days

Correct answer: C

Rationale: Monitoring the digoxin level is crucial as it helps determine the drug's effectiveness and potential toxicity. A digoxin level of 1 ng/mL is within the therapeutic range. However, levels above this range can lead to toxicity, causing adverse effects like nausea, vomiting, visual disturbances, and dysrhythmias. Therefore, the nurse should report a digoxin level of 1 ng/mL to the provider for further evaluation and potential dose adjustment.

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