NBRC Practice Exam 1 Questions and Answers 100% Verified

While assessing a sleep study, the RT notes a 40-second period where the respiratory rate was 20/min, and the oral and nasal thermistor tracings were flat. Which of the following conditions was most likely present? A. Obstructive apnea B. Hypoventilation C. The lungs are becoming easier to ventilate D. Lung compliance is increasing - Obstructive apnea A patient is experiencing cardiac arrhythmias and muscle weakness. An ABG determines the patient is metabolic alkalosis. Which of the following is the most appropriate laboratory value to assess at this time? A. WBC B. BUN C. Plasma protein D. Potassium - Potassium During the 24 hours following gastric resection, a 48-year-old woman received continuous IV infusions. Blood chemistry results indicate decreased levels in the BUN, sodium and hemoglobin values. The patient's hourly urine output is 50 mL/hr for the past 4 hours. Based on this information, assessment would most likely reveal which of the following? A. Arterial hypotension B. Coarse crackles C. Hyperresonant percussion notes D. Hypoventilation - Coarse cracklesWhile assessing a patient's chest radiograph the RT observes an area of hyperlucency. This may be the result of which of the following? 1. Hyperinflation 2. Atelectasis 3. Emphysema 4. Pneumothorax - 1, 3, and 4 only