Practice Quiz

CEN Practice Exam (Certified Emergency Nurse) - Question List

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126. You are caring for a child who has HIV with a positive Mantoux test. The physician orders isoniazid (INH). You instruct the child’s mother that the patient will have to take the medication for how long?
  1. 4 months
  2. 6 months
  3. 9 months
  4. 12 months
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127. What is the maximum suction time for a patient with a tracheostomy?
  1. 5 seconds
  2. 10 seconds
  3. 30 seconds
  4. 1 minute
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128. What is the most appropriate nursing intervention if your patient’s heart rate drops during suctioning?
  1. Continue to suction.
  2. Limit suctioning to 15 seconds.
  3. Stop and reoxygenate the patient.
  4. Notify the physician.
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129. You are caring for an unconscious patient who has had an arterial blood gas drawn. The results reveal a pH of 7.30, low bicarbonate, a normal carbon dioxide level, normal oxygen level and an elevated potassium level. What would the diagnosis be for this patient based on the laboratory results?
  1. Metabolic acidosis
  2. Respiratory acidosis
  3. Combined respiratory and metabolic acidosis
  4. Overcompensated respiratory acidosis
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130. What sign would indicate that a patient with a blunt injury to the chest has developed a pneumothorax?
  1. A sucking sound at the site of injury
  2. Diminished breath sounds
  3. A low respiratory rate
  4. Presence of a barrel chest
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