Nokea
Claudication is a well-known effect of peripheral vascular disease. Which of the following facts about claudication is correct? Select the one that doesn't apply:
- A. It results when oxygen demand is greater than oxygen supply.
- B. It is characterized by pain that often occurs during rest.
- C. It is a result of tissue hypoxia.
- D. It is characterized by cramping and weakness.
Correct Answer: D
Rationale: Claudication is a symptom of peripheral vascular disease where there is an inadequate supply of oxygen to the muscles due to reduced blood flow. This mismatch between oxygen demand and supply leads to tissue hypoxia, resulting in cramping, weakness, and discomfort. Option D correctly states that claudication is characterized by cramping and weakness, making it the correct answer. Options A, B, and C are incorrect. Claudication occurs when oxygen demand exceeds supply, not the other way around as stated in Option A. Pain in claudication typically occurs with activity, not at rest as mentioned in Option B. While tissue hypoxia is a consequence of claudication, it is not the primary cause, making Option C incorrect.
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A patient experiences a chest wall contusion as a result of being struck in the chest with a baseball bat. The emergency department nurse would be most concerned if which finding is observed during the initial assessment?
- A. Paradoxic chest movement
- B. Complaint of chest wall pain
- C. Heart rate of 110 beats/minute
- D. Large bruised area on the chest
Correct Answer: A
Rationale: Paradoxic chest movement is the most concerning finding as it indicates a potential flail chest, which can lead to severe compromise in gas exchange and rapid hypoxemia. This condition requires immediate attention to prevent respiratory distress. Complaint of chest wall pain, a slightly elevated heart rate, and a large bruised area on the chest are important assessment findings but may not immediately threaten gas exchange or respiratory function. Therefore, identifying paradoxic chest movement is critical for prompt intervention and management.
Which intervention will the nurse include in the plan of care for a patient diagnosed with a lung abscess?
- A. Teach the patient to avoid using over-the-counter expectorants.
- B. Assist the patient with chest physiotherapy and postural drainage.
- C. Notify the healthcare provider immediately regarding any bloody or foul-smelling sputum.
- D. Teach about the necessity of prolonged antibiotic therapy after discharge from the hospital.
Correct Answer: D
Rationale: For a patient diagnosed with a lung abscess, the priority intervention is to educate them about the importance of prolonged antibiotic therapy post-hospital discharge. Long-term antibiotic treatment is crucial for eradicating the infecting organisms in a lung abscess. Chest physiotherapy and postural drainage are not recommended for lung abscess as they can potentially spread the infection. While foul-smelling and bloody sputum are common in lung abscess, immediate notification to the healthcare provider is essential. Avoiding the use of over-the-counter expectorants is not necessary, as expectorants can be used to facilitate coughing and clearing of secretions in this condition.
A diabetic patient's arterial blood gas (ABG) results are pH 7.28; PaCO2 34 mm Hg; PaO2 85 mm Hg; HCO3 18 mEq/L. The nurse would expect which finding?
- A. Intercostal retractions
- B. Kussmaul respirations
- C. Low oxygen saturation (SpO2)
- D. Decreased venous O2 pressure
Correct Answer: B
Rationale: Kussmaul respirations (deep and rapid) are a compensatory mechanism for metabolic acidosis. The low pH and low bicarbonate levels indicate metabolic acidosis. Intercostal retractions, low oxygen saturation, and decreased venous O2 pressure are not associated with acidosis. Intercostal retractions typically occur in respiratory distress, while low oxygen saturation and decreased venous O2 pressure are more related to respiratory or circulatory issues, not metabolic acidosis.
A child is prescribed baclofen (Lioresal) via intrathecal pump to treat severe muscle spasms related to cerebral palsy. What teaching does the nurse provide the child and parents?
- A. Do not let this prescription run out.
- B. The medication may cause gingival hyperplasia.
- C. Periodic serum drug levels are needed.
- D. Watch for excessive facial hair growth.
Correct Answer: A
Rationale: The correct teaching for the child and parents when a child is prescribed baclofen via an intrathecal pump is to not let the prescription run out. Abrupt discontinuation of intrathecal baclofen can lead to severe effects like high fever, altered mental status, and rebound spasticity and muscle rigidity. It is crucial for the parents to ensure there is always an adequate supply of this medication to prevent these adverse effects. Choices B and D are incorrect because gingival hyperplasia and hirsutism are side effects associated with phenytoin (Dilantin), not baclofen. Choice C is incorrect as serum drug levels are not typically monitored for intrathecal medications.
The nurse provides discharge instructions to a patient who was hospitalized for pneumonia. Which statement, if made by the patient, indicates a good understanding of the instructions?
- A. I will call the doctor if I still feel tired after a week.
- B. I will continue to do the deep breathing and coughing exercises at home.
- C. I will continue to do the deep breathing and coughing exercises at home.
- D. I'll cancel my chest x-ray appointment if Im feeling better in a couple weeks
Correct Answer: C
Rationale: Patients should continue to cough and deep breathe after discharge. Fatigue is expected for several weeks. The Pneumovax and influenza vaccines can be given at the same time in different arms. Explain that a follow-up chest x-ray needs to be done in 6 to 8 weeks to evaluate resolution of pneumonia.